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SQL Anywhere 11.0.1 » SQL Remote » SQL Remote Replication Design » SQL Remote replication design and set up » Update conflicts » Custom conflict resolution using a VERIFY clause


Using the VERIFY_ALL_COLUMNS option

By default, the database option verify_all_columns is Off. When it is set to Off, only those columns that are updated are checked. When the verify_all_columns option is set to On, then:

  • All columns are verified on replicated UPDATE statements.

  • A RESOLVE UPDATE trigger is fired whenever any column is different.

  • The size of messages is bigger, because more information is sent for each UPDATE statement.

You can set the verify_all_columns option either for the PUBLIC group or just for the user contained in the SQL Remote connection string. See verify_all_columns option [SQL Remote].

The Extraction utility (dbxtract)

When the verify_all_columns option is set on the consolidated database before the remote databases are extracted, then the verify_all_columns option on the remote databases is set by Extraction utility (dbxtract) and the Extract Database Wizard.