Databases with transaction log mirrors

You can choose to maintain a transaction log mirror when you create a database. This option is available from the CREATE DATABASE statement, from Sybase Central, or from the dbinit utility.

 Create a database that uses a transaction log mirror (Sybase Central)

  1. Click Tools » SQL Anywhere 12 » Create Database.

  2. Follow the instructions in the Create Database Wizard.

 Create a database that uses a transaction log mirror (SQL)

  • Use the CREATE DATABASE statement, with the TRANSACTION LOG and MIRROR clauses. For example:

    CREATE DATABASE 'c:\\mydb.db'
TRANSACTION LOG ON 'mydb.log'
MIRROR 'd:\\mydb.mlg';
 Create a database that uses a transaction log mirror (command line)

  • Use the dbinit utility with the -m option. For example, the following command (which should be entered on one line) initializes a database named company.db, with a transaction log kept on a different device and a mirror on a third device. 

    dbinit -t d:\log-dir\company.log -m
e:\mirr-dir\company.mlg c:\db-dir\company.db
 See also
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