legacy: ANSI_QUOTES setting on second try

• BETTER Supports database creation on PostgreSQL server.

• INCOMPATIBLE Enables 'sql_mode' as 'ansi_quotes' for quotes compatibility for MySQL.

• AMENDS 7974188.

Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
Signed-off-by: Jan Aage Lavik <jan.age.lavik@cern.ch>