Transactions and logging parameters

A transaction is a sequence of one or more SQL statements grouped together as a single unit, typically within an application process.

The commands used to complete or end the transaction are as follows:

  • COMMIT
  • ROLLBACK

Transaction logging is a process to keep track of changes made to a database (by one or more application connections or transactions) as they are made. These changes are recorded in the transaction logs for replay purposes. The following section describes the database configuration parameters related to transaction logging:

  • logbufsz: This parameter specifies the amount of memory to use as a buffer for log records before writing these records to disk. The default value is 256 pages, however ...

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