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SQL Manager for SQL Server

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EMS SQL Manager for SQL Server

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Recovery options


Recovery model

RadioButton FULL

Database backups and transaction log backups are used to provide full recoverability from media failure. All operations, including bulk operations such as SELECT INTO, CREATE INDEX, and bulk loading data, are fully logged.

RadioButton BULK_LOGGED

Logging for all SELECT INTO, CREATE INDEX, and bulk loading data operations is minimal and therefore requires less log space.

RadioButton SIMPLE

The database can be recovered only to the last full database backup or last differential backup.

 

Database Properties - Options - Recovery options

 

 

Detection of Incomplete I/O Operations

This group can be used to specify three options to discover incomplete I/O transactions caused by disk I/O errors:

RadioButton CHECKSUM

A checksum is taken over the contents of the entire page and stored in the page header when a page is written to disk. When a page is read from disk, the checksum is recomputed and compared to the checksum value stored in the page header.

RadioButton TORN_PAGE_DETECTION

A bit is reversed for each 512-byte sector in the 8-kilobyte (KB) database page when the page is written to disk. If a bit is in the wrong state when the page is later read, the page was written incorrectly; a torn page is detected.

RadioButton NONE

PAGE_VERIFY is set to OFF and future data page writes will not contain a CHECKSUM or TORN_PAGE_DETECTION bit and the page will not be verified at read time.

 

 


See also:

ANSI options

SQL options

Automation options

Cursor options

FileTable options

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