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BSAdv Tables

BSAdv is a Boy Scout advancement component for the Joomla! 1.6 content management system.


Overview

This documents describes the tables used in the BSAdv database, the fields in each table and the relationships between the fields. A thorough understanding of these components will help the designer define a better user interface.

The structure of the database was directed by the principles of database normalization. This has increased the number of tables in the database, but will improve database integrity, maintainability and portability.

The database structure was developed on MySQL, supplying information to a Joomla! CMS. The BSAdv structure is intended to be generic enough to implement on different database systems and to support different CMS choices. The use of a consistent database structure across different implementations will allow portability of data between the implementations and the development of standard reports to Boy Scout Councils.

In this document, the term BSA refers to the Boy Scouts of America.


License

  Copyright (c)  2008, 2009, 2010, 2011  Kim Eckert.
  Permission is granted to copy, distribute and/or modify this document
  under the terms of the GNU Free Documentation License, Version 1.2
  or any later version published by the Free Software Foundation;
  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
  Texts.  A copy of the license is included in the section entitled "GNU
  Free Documentation License".

The Database

The database consists of tables that are grouped into eight categories:

CATEGORY TABLE DESCRIPTION
Scouts scouts Unique information about the Scout
scoutsphones Scout telephone numbers
scoutspatrols History of patrol membership
scoutspors History of Positions of Responsibility
Adults adults Unique information about adult leaders and parents
adultsphones Adult telephone numbers
adultstrainings History of adult training
Events events Location and dates of events
deeds What was accomplished at events
Accounts accounts Names of financial accounts
Ranks ranks Names and effective dates of BSA ranks
ranksreqs Requirements for each of the ranks
Merit Badges meritbadges Names and effective dates of BSA merit badges
mbreqs Requirements for each of the merit badges
Awards awards List of awards for Scouts and Adults
Control checkout Record of tables currently checked out for editing.
dblog Record of updates made to the database

There are eight tables that implement a many-to-many relationship between the aforementioned tables.

TABLE DESCRIPTION
scoutsadults Each row associates one Scout with one adult, normally a parent or guardian relationship
scoutsdeeds Each row associates one Scout with one deed, which is one or more Scouting accomplishments
scoutsaccounts Each row records one credit or debit associated with one Scout.
adultsdeeds Each row associates one adult with one deed, which is one or more Scouting accomplishments
adultsaccounts Each row records one credit or debit associated with one adult.
mbreqsdeeds Each row associates one merit badge requirement with one deed
ranksreqsdeeds Each row associates one rank requirement with one deed
ermbs Each row defines one merit badge that is required for the Eagle rank
ermbgrps Identifies alternative merit badges for the Eagle rank
scoutsawards Each row associates one award with one Scout

Configuration parameters are stored in the params field of the jos_components table, in the row corresponding to BSAdv. They can be modified in the Joomla back end. There are five categories of parameters.

NAME DESCRIPTION
Unit data
Unit number Unit number. This is used in official BSA documentation to identify your unit's records.
Unit type Type of unit, such as Troop, Pack, Cres, Ship. This is used in official BSA documentation to identify your unit's records.
Other unit type If one of the listed unit types does not match the unit, then enter the type here.
Council name The name of your BSA Council. This is used in official BSA documentation to identify your unit's records.
Controls how data is displayed
Advancement table width Number of cells inwidth of the main advancement table. The web site administrator can optimize the width to match the unit Joomla template.
Advancement text Text that is displayed on the main advancement page. This will be unique to your unit, and can give informantion and instructions to the users.
Include links Enables the display of links to Reports and Edit pages, from the main advancement page. When the web site administrator has implemented menu links to these two pages, this control can disable the display of the links on the advancement page.
Light color A color used for certain backgrounds in the BSAdv pages. It should be chosen to contrast with normal text and to coordinate with your template colors. For normal templates, this will be a light color.
Dark color A color used for certain text in the BSAdv pages. It should be chosen to contrast with normal backgrounds, and to coordinate with your template colors. For normal templates, this will be a dark color.
Controls data storage
Allow Changes When set, allows updates to the database through the BSAdv web interface. This allows administrators to disable write access, when needed.
Log changes When set, all database updates are logged in a file. This allows the administrator to investigate who has been making changes to the database. This can help identify users who need additional instructions.
Maximum log entries The total number of log entries stored. When this number is exceeded, the oldest are deleted, to maintain this total count.
Youth protection. The following parameters enable the use of individual fields in the Scouts table. This allows each unit to completely disable the use (read or write) of Scouts' personal information. This is the ultimate way to keep this information from being hijacked by those who should not have access. Each unit will need to decide whether to limit all or some of the data in this way. Two fields cannot be disabled: id and name_private. These are required for the BSAdv program to work properly.
use_name_public 1=use, 0= do not use.
use_name_family 1=use, 0= do not use.
use_name_given 1=use, 0= do not use.
use_name_middle 1=use, 0= do not use.
use_date_of_birth 1=use, 0= do not use.
use_date_joined_unit 1=use, 0= do not use.
use_address1 1=use, 0= do not use.
use_address2 1=use, 0= do not use.
use_city 1=use, 0= do not use.
use_state 1=use, 0= do not use.
use_zip 1=use, 0= do not use.
user_id 1=use, 0= do not use.
use_email 1=use, 0= do not use.
use_active 1=use, 0= do not use.
use_current_rank 1=use, 0= do not use.
use_is_oa 1=use, 0= do not use.
Permissions (access control). Standard Joomla control interface allows the web site administrator to assign groups of users read and write access to one or more of the six access catagories (actions) defined by BSAdv. For more information see Youth Protection


The Tables

There are some intricacies in the definition of and the use of the tables and their fields. We will try to capture these here.


Scouts Tables

Data in these tables is related to individual Scouts, except data on their advancement and activities in the unit. All of the Scout contact information is located here.

scouts

Most of this personal information is optional. Youth Protection can be guaranteed by not logging personal information on your Scouts on the web site. The name_public field is necessary for Troop members to identify the Scout. It can be anything your unit chooses, a nickname, initials or a number. It needs to be unique within your unit. If you chose to enter personal information, be sure that your unit webiste is adequately password protected.

The Address fields are a compromise between specific, descriptive fields, such as apartment number, street, etc. and a more general-purpose fields, such as line1, line2, line3, etc. The first two lines are kept generic to allow a variety of uses. The second line is not mormally needed and can be left NULL (blank). Specific fields for city, state and zip are used to allow possible searches or sorts based on those fields.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs. Many tables will refer to this index.
name_public VARCHAR(255) UNIQUE NOT NULL Unique and necessary for human identification, but not sufficient to allow strangers to identify the youth
name_family VARCHAR(255) DEFAULT NULL (OPTIONAL) Family name.
name_given VARCHAR(255) DEFAULT NULL (OPTIONAL) Given name
name_middle VARCHAR(255) DEFAULT NULL (OPTIONAL) Middle name or initial
date_of_birth DATE DEFAULT NULL (OPTIONAL) Date of birth. Used to keep track of a youth's age
date_joined_unit DATE DEFAULT NULL Date joined unit
address1 VARCHAR(255) DEFAULT NULL (OPTIONAL) Mailing address on the first line below the name
address2 VARCHAR(255) DEFAULT NULL (OPTIONAL) Additional line for the mailing address. Most addresses do not need this extra line.
city VARCHAR(255) DEFAULT NULL (OPTIONAL) Mailing address, city
state VARCHAR(255) DEFAULT NULL (OPTIONAL) Mailing address, state
zip VARCHAR(255) DEFAULT NULL (OPTIONAL) Mailing address, zip code
user_id INT UNSIGNED DEFAULT NULL (OPTIONAL) User id, if the Scout is a registered user of the unit web site.
email VARCHAR(255) DEFAULT NULL (OPTIONAL) Email address
active ENUM('Y','N') DEFAULT NULL Whether a Scout is currently active. A Scout may be inactive at some time during his Scouting career or when he turns 18 years old. This field allows the data to stay in the database, but not be listed in most queries.
current_rank INT UNSIGNED DEFAULT NULL This is a duplicate of advancement data stored elsewhere in this database. It is useful enough to keep as a duplicate, but care must be taken to ensure it is updated when the supporting data is updated. It may not be necessary to use this field if the rank calculations can be done efficiently.
is_oa ENUM('Y','N') DEFAULT 'N' This denotes that the Scout has completed his Order of the Arrow ordeal. That data is stored elsewhere in this database, but it is useful to capture it here also. As with the current_rank, care must be taken to keep this updated.

Three tables contain additional Scout data that cannot be contained in the scouts table. These are not a part of the scouts table because they may have multiple entries for each Scout.

scoutsphones

Scouts may have multiple phone numbers.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs. This field may not be absolutely necessary because the combination of scouts_id and number should be unique. It is consistent with other tables in this database to have an id field.
scouts_id INT UNSIGNED NOT NULL Index into the scouts table. Identifies the Scout that this number belongs to.
number VARCHAR(255) DEFAULT NULL The telephone number. Use a consistent format for all numbers, such as nnn-nnn-nnnn.
description VARCHAR(255) DEFAULT NULL Differentiates between multiple numbers, such as 'home', 'cell', 'weeknights before 10:00', 'weekend with dad'.

scoutspatrols

Records the history of Patrol membership for Scouts.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT identification field for programs.
scouts_id INT UNSIGNED NOT NULL Index into the scouts table. Identifies the Scout that this data belongs to.
patrol_name VARCHAR(255) DEFAULT NULL Patrol Name
start_date DATE DEFAULT NULL Date that the Scout joined the Patrol
end_date DATE DEFAULT NULL Date that the Scout left the Patrol. This is NULL for a Scout's current patrol membership.

scoutspors

Positions of Responsibilities

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT identification field for programs.
scouts_id INT UNSIGNED NOT NULL Index into the scouts table. Identifies the Scout that this data belongs to.
position_name VARCHAR(255) DEFAULT NULL Name of the Position
start_date DATE DEFAULT NULL Date the Scout started in this position
end_date DATE DEFAULT NULL Date the Scout stopped serving this position. This is NULL for a Scout's current position.

Adults Tables

Information for adult leaders, parents and guardians are combined in the adults tables. Data for adult leaders and for parents/guardians ended up very similar. Since most adult leaders are also a parent of a Scout, we combined the tables.

adults

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
is_leader ENUM('Y','N') DEFAULT 'N' Indicates if the adult registered with the BSA.
name_family VARCHAR(255) DEFAULT NULL Family (last) name
name_given VARCHAR(255) DEFAULT NULL Given (first) name
name_middle VARCHAR(255) DEFAULT NULL Middle name
address1 VARCHAR(255) DEFAULT NULL Mailing address on the first line below the name
address2 VARCHAR(255) DEFAULT NULL (OPTIONAL) Additional line for the mailing address. Most addresses do not need this extra line.
city VARCHAR(255) DEFAULT NULL Mailing address, city
state VARCHAR(255) DEFAULT NULL Mailing address, state
zip VARCHAR(255) DEFAULT NULL Mailing address, zip code
email VARCHAR(255) DEFAULT NULL Email address
user_id INT UNSIGNED DEFAULT NULL Index into the ID field of the website user table.
is_oa ENUM('Y','N') DEFAULT 'N' Indicates if this adult is a member of the Order of the Arrow.

adultsphones

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
adults_id INT UNSIGNED NOT NULL Index into the adults table.
number VARCHAR(255) DEFAULT NULL The telephone number. Use a consistent format for all numbers, such as nnn-nnn-nnnn.
description VARCHAR(255) DEFAULT NULL Description that differentiates between multiple numbers.

adultstrainings

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
adults_id INT UNSIGNED NOT NULL Index into the adults table.
description VARCHAR(255) DEFAULT NULL Description of the training.
date_valid DATE DEFAULT NULL Date the training became valid.
date_expired DATE DEFAULT NULL Date the training expires. If the training does not expire, enter NULL.

scoutsadults

This associates a Scout with an adult, either a parent or guardian.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
scouts_id INT UNSIGNED NOT NULL Index into the scouts table.
adults_id INT UNSIGNED NOT NULL Index into the adults table.
relation VARCHAR(255) DEFAULT NULL Description of the adult relation to the Scout, such as father, mother or stepfather

Events

Scouting events are stored in two tables: events and deeds. This eliminates duplication of data, but can be confusing. Take some time to understand these tables and their interaction with other tables.

events

This is simply the description and dates of the event. Accomplishments are captured in the deeds table and in other tables associated with rank advancement and merit badge requirements.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
description VARCHAR(255) DEFAULT NUL Description of the event.
date DATEDEFAULT NULL Date the event occurred, or the starting date of a multi-day event.
end_date DATE DEFAULT NULL Ending date of a multi-day event. NULL for single-day events.

deeds

This is where most accomplishments are recorded. One row in this table captures a combination of accomplishments that either one Scout or multiple Scouts completed at an event. Associated tables allow multiple Scouts to be assigned to this deed, multiple merit badge requirements to be logged and multiple rank advancement to be logged. The deed table is the main place for recording Scouts' accomplishments.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
events_id INT UNSIGNED NOT NULL Index into the events table.
description VARCHAR(255) DEFAULT NULL Short description, used mostly to better identify the deeds during data entry and editing.
date DATE Date of the deed. On multi-day events, this indicates the actual date that advancement should be registered.
nights_camped INT UNSIGNED DEFAULT NULL Number of nights camped.
miles_hiked FLOAT DEFAULT NULL Number of miles hiked. Fractional values are allowed.
hours_service FLOAT DEFAULT NULL Number of hours of service. Fractional values are allowed.
is_activity ENUM('Y','N') DEFAULT 'N' Denotes that this deed qualifies as a Troop and/or Patrol activity as required for rank advancement.
verified_by INT UNSIGNED DEFAULT NULL The adult that verified the data, normally the advancement chairman. Index into the adults table.
verified_date DATE DEFAULT NULL Date that the advancement chairman verified the deed.

scoutsdeeds

Each row of this table associates a Scout with a deed.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
deeds_id INT UNSIGNED NOT NULL Index into the deeds table.
scouts_id INT UNSIGNED NOT NULL Index into the scouts table.

adultsdeeds

Each row of this table associates an adult with a deed.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
deeds_id INT UNSIGNED NOT NULL Index into the deeds table.
adults_id INT UNSIGNED NOT NULL Index into the adults table.

Accounts

accounts

These are the names of the accounts, such as 'general' or 'Summer Camp'.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
events_id INT UNSIGNED DEFAULT NULL Index into the events table, linking the account to an event. NULL if the account is not related to an event.
name VARCHAR(255) DEFAULT NULL Name of the account, such as general or summer camp

scoutsaccounts

Individual credits and debits to a Scout's account.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
accounts_id INT UNSIGNED NOT NULL Index into the accounts table.
scouts_id INT UNSIGNED NOT NULL Index into the scouts table.
description VARCHAR(255) DEFAULT NULL Description of the actual credit or debit, such as first deposit
date DATE DEFAULT NULL Effective date that the credit or debit.
amount FLOAT DEFAULT NULL Amount credited (positive) or debited (negative) to this account for this Scout.

adultsaccounts

Individual credits and debits to an adult's account.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
accounts_id INT UNSIGNED NOT NULL Index into the accounts table.
adults_id INT UNSIGNED NOT NULL Index into the adults table.
description VARCHAR(255) DEFAULT NULL Description of the actual credit or debit, such as first deposit
date DATE DEFAULT NULL Effective date that the credit or debit.
amount FLOAT DEFAULT NULL Amount credited (positive) or debited (negative) to this account for this Scout.

Meritbadges

BSA updates merit badges regularly. Scouts often have the option of completing the older requirements if they have started work on them before the new requirements are issued. Because of this, the database must be able to store multiple versions of merit badges with the same name. They are distinguished by the fields date_created and date_obsoleted and of course the field id.

To track merit badge completions, it is necessary to capture the numbers and letters of merit badge requirements. It is useful to also have the text for each requirement, so those are stored here also. The mbreqsgrp table is used to document exclusive requirements, such as 'One of the following'.

meritbadges

Each version of merit badges has a separate entry in this table. The data for this table comes from the BSA merit badge list. All units will have identical data in this table.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
name VARCHAR(255) DEFAULT NULL Name of the Merit Badge.
date_created DATE DEFAULT NULL Date that the Merit Badge became effective.
date_obsoleted DATE DEFAULT NULL Date that the Merit Badge became obsolete. NULL for current Merit Badges. Many Merit Badges can be completed after the obsolete date if a Scout has started it before that date.

mbreqs

The actual requirements for the merit badges are listed here. The data for this table comes from the BSA merit badge requirement lists. All units will have identical data in this table.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
meritbadges_id INT UNSIGNED NOT NULL Index into the meritbadges table.
designation VARCHAR(255) DEFAULT NULL The combination of number(s) and/or letter(s) that the BSA uses to designate a merit badge requirement, such as 1, 2, 4a.

mbreqsdeeds

Documents which merit badge requirements were completed at each event/deed. This is the only table in this category that has data specific to a unit.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
deeds_id INT UNSIGNED NOT NULL Index into the deeds table.
mbreqs_id INT UNSIGNED NOT NULL Index into the mbreqs table.

Ranks

ranks

Each version of rank advancement has a separate entry in this table. The data for this table comes from the BSA Scout handbook. All units will have identical data in this table.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
name VARCHAR(255) DEFAULT NULL Name of the rank, as the BSA defines it, such as Tenderfoot or Eagle.
date_created DATE DEFAULT NULL Date that the Rank requirements became effective.
date_obsoleted DATE DEFAULT NULL Date that the Rank requirements became obsolete. NULL for current ranks. Some ranks can be completed after the obsolete date if a Scout has started it before that date. See the BSA documentation for the new rank.

ranksreqs

The actual requirements for rank advancement are listed here. The data for this table comes from the BSA Scout Handbook. All units will have identical data in this table.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
ranks_id INT UNSIGNED NOT NULL Index into the ranks table.
designation VARCHAR(255) DEFAULT NULL The combination of number(s) and/or letter(s) that the BSA uses to designate a rank requirement, such as 1, 2, 4a.

ermbs

Certain merit badges are required for the Eagle rank. The list of merit badges changes occasionally and is associated with a particular version of the Eagle rank requirements. All units will have identical data in this table.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
ranks_id INT UNSIGNED NOT NULL Index into the ranks table.
meritbadges_id INT UNSIGNED NOT NULL Index into the meritbadges table.
ermbgrp_id INT UNSIGNED DEFAULT NULL Index into the ermbgrps table. All rows in this table that have the same ermbgrp_id value are mutually exclusive merit badges. Not all of them are required to be completed.

ermbgrps

The Eagle rank requirements allow alternatives to some merit badges, such as Emergency Preparedness OR Lifesaving. Those alternatives are captured here. All units will have identical data in this table.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
countrequired INT UNSIGNED NOT NULL The number of mutually exclusive merit badges that are required to be completed.
comment VARCHAR(255) DEFAULT NULL The text that describes the alternatives, such as Earn one of the following merit badges: . If this field is null, the program should display Earn of the following merit badges: . If desired, the software can ignore this field and create the exact wording as defined by the BSA.

ranksreqsdeeds

Rows in this table associate a rank requirement with an event/deed where it was completed. This is the only table in this category that has data specific to a unit.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
deeds_id INT UNSIGNED NOT NULL Index into the deeds table.
ranksreqs_id INT UNSIGNED NOT NULL Index into the ranksreqs table.

Awards

awards

This table contains a list of awards that can be earned by Scouts and adult leaders. All units will have identical data in this table.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
name VARCHAR(255) DEFAULT NULL Name of the award.

scoutsawards

Each row in this table associates an award earned with the Scout who earned it. This table keeps track of the dates the award was earned, purchased and awarded to the Scout. There are fields for general awards, rank advancement and merit badges. Each row can have only one of these three awards. Additional awards require additional rows.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
awards_id INT UNSIGNED DEFAULT NULL Index into the awards table. NULL if the award is one that is not listed in the table.
ranks_id INT UNSIGNED DEFAULT NULL Index into the ranks table. NULL if the award is one that is not listed in the table.
meritbadges_id INT UNSIGNED DEFAULT NULL Index into the meritbadges table. NULL if the award is one that is not listed in the table.
scouts_id INT UNSIGNED DEFAULT NULL Index into the scouts table. Identifies the Scout who has earned the award.
date_earned DATE DEFAULT NULL Date the award was earned.
date_purchased DATE DEFAULT NULL Date the award was purchased.
date_awarded DATE DEFAULT NULL Date the award was presented to the Scout.

Control

checkout

This table keeps a list of tables currently being edited. This is used to avoid having multiple users edit the same tables, maybe for the same reason. BSAdv does not keep multiple users from editing the database, it just warns them of the potential conflict. There may be good reasons for a single person to have multiple simultaneous active edit sessions. BSAdv editing algorithms use techniques to maintain the correct state of the final database. This allows multiple users to modify the same tables, without conflicts. Changes to the config, checkout and dblog tables are not logged.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
user_id INT UNSIGNED NOT NULL Who is making the edit(s).
item VARCHAR(255) NOT NULL The name of the table(s) being edited.
reason VARCHAR(255) NOT NULL Why the user is editing data.
datetime DATETIME NOT NULL When the user started editing.

dblog

This table holds a record of changes made to the database, and who made them. This is occasionally useful to identify someone that may need additional training in the use of BSAdv. The total number of entries is set by a value in the config table. Each unit can set this to a value they are comfortable with. There is a dblog controller to view these table entries, and optionally delete them.

FIELD TYPE DESCRIPTION
id INT UNSIGNED NOT NULL AUTO_INCREMENT Identification field for programs.
thistime DATETIME NOT NULL Date and time that the update was made.
username VARCHAR(255) DEFAULT NULL Name of the user making the change(s). This is the human-readable name, not the user id.
cmd VARCHAR(2048) DEFAULT NULL The actual SQL command(s) submitted to MySQL. Multiple commands are simply concatenated, separated by semicolons, and submitted to MySQL in one string.
error VARCHAR(255) DEFAULT NULL Error message, or null if there was no error.

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2. VERBATIM COPYING

You may copy and distribute the Document in any medium, either commercially or noncommercially, provided that this License, the copyright notices, and the license notice saying this License applies to the Document are reproduced in all copies, and that you add no other conditions whatsoever to those of this License. You may not use technical measures to obstruct or control the reading or further copying of the copies you make or distribute. However, you may accept compensation in exchange for copies. If you distribute a large enough number of copies you must also follow the conditions in section 3.

You may also lend copies, under the same conditions stated above, and you may publicly display copies.

3. COPYING IN QUANTITY

If you publish printed copies (or copies in media that commonly have printed covers) of the Document, numbering more than 100, and the Document's license notice requires Cover Texts, you must enclose the copies in covers that carry, clearly and legibly, all these Cover Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on the back cover. Both covers must also clearly and legibly identify you as the publisher of these copies. The front cover must present the full title with all words of the title equally prominent and visible. You may add other material on the covers in addition. Copying with changes limited to the covers, as long as they preserve the title of the Document and satisfy these conditions, can be treated as verbatim copying in other respects.

If the required texts for either cover are too voluminous to fit legibly, you should put the first ones listed (as many as fit reasonably) on the actual cover, and continue the rest onto adjacent pages.

If you publish or distribute Opaque copies of the Document numbering more than 100, you must either include a machine-readable Transparent copy along with each Opaque copy, or state in or with each Opaque copy a computer-network location from which the general network-using public has access to download using public-standard network protocols a complete Transparent copy of the Document, free of added material. If you use the latter option, you must take reasonably prudent steps, when you begin distribution of Opaque copies in quantity, to ensure that this Transparent copy will remain thus accessible at the stated location until at least one year after the last time you distribute an Opaque copy (directly or through your agents or retailers) of that edition to the public.

It is requested, but not required, that you contact the authors of the Document well before redistributing any large number of copies, to give them a chance to provide you with an updated version of the Document.

4. MODIFICATIONS

You may copy and distribute a Modified Version of the Document under the conditions of sections 2 and 3 above, provided that you release the Modified Version under precisely this License, with the Modified Version filling the role of the Document, thus licensing distribution and modification of the Modified Version to whoever possesses a copy of it. In addition, you must do these things in the Modified Version:

If the Modified Version includes new front-matter sections or appendices that qualify as Secondary Sections and contain no material copied from the Document, you may at your option designate some or all of these sections as invariant. To do this, add their titles to the list of Invariant Sections in the Modified Version's license notice. These titles must be distinct from any other section titles.

You may add a section Entitled "Endorsements", provided it contains nothing but endorsements of your Modified Version by various parties--for example, statements of peer review or that the text has been approved by an organization as the authoritative definition of a standard.

You may add a passage of up to five words as a Front-Cover Text, and a passage of up to 25 words as a Back-Cover Text, to the end of the list of Cover Texts in the Modified Version. Only one passage of Front-Cover Text and one of Back-Cover Text may be added by (or through arrangements made by) any one entity. If the Document already includes a cover text for the same cover, previously added by you or by arrangement made by the same entity you are acting on behalf of, you may not add another; but you may replace the old one, on explicit permission from the previous publisher that added the old one.

The author(s) and publisher(s) of the Document do not by this License give permission to use their names for publicity for or to assert or imply endorsement of any Modified Version.

5. COMBINING DOCUMENTS

You may combine the Document with other documents released under this License, under the terms defined in section 4 above for modified versions, provided that you include in the combination all of the Invariant Sections of all of the original documents, unmodified, and list them all as Invariant Sections of your combined work in its license notice, and that you preserve all their Warranty Disclaimers.

The combined work need only contain one copy of this License, and multiple identical Invariant Sections may be replaced with a single copy. If there are multiple Invariant Sections with the same name but different contents, make the title of each such section unique by adding at the end of it, in parentheses, the name of the original author or publisher of that section if known, or else a unique number. Make the same adjustment to the section titles in the list of Invariant Sections in the license notice of the combined work.

In the combination, you must combine any sections Entitled "History" in the various original documents, forming one section Entitled "History"; likewise combine any sections Entitled "Acknowledgements", and any sections Entitled "Dedications". You must delete all sections Entitled "Endorsements."

6. COLLECTIONS OF DOCUMENTS

You may make a collection consisting of the Document and other documents released under this License, and replace the individual copies of this License in the various documents with a single copy that is included in the collection, provided that you follow the rules of this License for verbatim copying of each of the documents in all other respects.

You may extract a single document from such a collection, and distribute it individually under this License, provided you insert a copy of this License into the extracted document, and follow this License in all other respects regarding verbatim copying of that document.

7. AGGREGATION WITH INDEPENDENT WORKS

A compilation of the Document or its derivatives with other separate and independent documents or works, in or on a volume of a storage or distribution medium, is called an "aggregate" if the copyright resulting from the compilation is not used to limit the legal rights of the compilation's users beyond what the individual works permit. When the Document is included in an aggregate, this License does not apply to the other works in the aggregate which are not themselves derivative works of the Document.

If the Cover Text requirement of section 3 is applicable to these copies of the Document, then if the Document is less than one half of the entire aggregate, the Document's Cover Texts may be placed on covers that bracket the Document within the aggregate, or the electronic equivalent of covers if the Document is in electronic form. Otherwise they must appear on printed covers that bracket the whole aggregate.

8. TRANSLATION

Translation is considered a kind of modification, so you may distribute translations of the Document under the terms of section 4. Replacing Invariant Sections with translations requires special permission from their copyright holders, but you may include translations of some or all Invariant Sections in addition to the original versions of these Invariant Sections. You may include a translation of this License, and all the license notices in the Document, and any Warranty Disclaimers, provided that you also include the original English version of this License and the original versions of those notices and disclaimers. In case of a disagreement between the translation and the original version of this License or a notice or disclaimer, the original version will prevail.

If a section in the Document is Entitled "Acknowledgements", "Dedications", or "History", the requirement (section 4) to Preserve its Title (section 1) will typically require changing the actual title.

9. TERMINATION

You may not copy, modify, sublicense, or distribute the Document except as expressly provided for under this License. Any other attempt to copy, modify, sublicense or distribute the Document is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance.

10. FUTURE REVISIONS OF THIS LICENSE

The Free Software Foundation may publish new, revised versions of the GNU Free Documentation License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. See http://www.gnu.org/copyleft/.

Each version of the License is given a distinguishing version number. If the Document specifies that a particular numbered version of this License "or any later version" applies to it, you have the option of following the terms and conditions either of that specified version or of any later version that has been published (not as a draft) by the Free Software Foundation. If the Document does not specify a version number of this License, you may choose any version ever published (not as a draft) by the Free Software Foundation.

How to use this License for your documents

To use this License in a document you have written, include a copy of the License in the document and put the following copyright and license notices just after the title page:

  Copyright (c)  YEAR  YOUR NAME.
  Permission is granted to copy, distribute and/or modify this document
  under the terms of the GNU Free Documentation License, Version 1.2
  or any later version published by the Free Software Foundation;
  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
  Texts.  A copy of the license is included in the section entitled "GNU
  Free Documentation License".

If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, replace the "with...Texts." line with this:

  with the Invariant Sections being LIST THEIR TITLES, with the
  Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST.

If you have Invariant Sections without Cover Texts, or some other combination of the three, merge those two alternatives to suit the situation.

If your document contains nontrivial examples of program code, we recommend releasing these examples in parallel under your choice of free software license, such as the GNU General Public License, to permit their use in free software.


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