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Backing Up The Database

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To take a backup of the database, use the Database Dump page, which is by default on the menu as Admin-->Database Dump.

exp_backup_dump

Before asking for the backup, there are the following options:

Option	Description
Include structure	If ticked, the backup will contain SQL statements that will create the database tables.
Include data	If ticked, the backup will contain SQL statements containing the data from the database.
Add drop if exists	If ticked, the before each database table is created, a statement is added to drop that table if it already exists.
Compress	If ticked, the backup will be compressed before being downloaded.
Include all tables	This drop down allows the choice of one of the following options:
	Option	Description
	Include all Tables	Dumps all tables
	Include all tables except history and statistics	Dumps all tables except history and statistics
	Select Tables	Provides a simple choice of tables to be dumped.
	Use Custom per-table settings	See below for complete description

When all the settings are as required, just press the Dump database button to initiate the backup. When the backup is complete, the browser should download the backup file. Calpendo limits how often a database backup may be taken, by setting Minimum time between database backups on the General tab of the Global Preferences.

Use Custom Per-Table Settings

If the Use Custom per-table settings option is chosen, then Calpendo will get a list of all the tables in the database and allow the way each table is backed up to be customised.

exp_backup_custom

For each table, there are the following options:

Option	Description
Use global settings	If ticked, then the other options for this table will be ignored.
Include structure	Allows the global setting of Include structure for this table to be overridden.
Add drop if exists	Allows the global setting of Add drop if exists for this table.
Include data	Used to override the global setting of Include data for this table to be overridden.
Select by column	If partial data is to be downloaded, then the user can nominate a column of the table and specify minimum and/or maximum values of that column that should be included in the download.
Min Column Value	If the user wants to download partial data and specifies Select by column, then the Min column value is the minimum value of the selected column that should be included in the download.
Max Column Value	If the user wants to download partial data and specifies Select by column, then the Max column value is the maximum value of the selected column that should be included in the download.