Robins Tharakan questions

Robins Tharakan answers

• Roles, groups and set session authorization in postgres
• Retrieve a progress of index creation process in PostgreSQL
• What's a good way to backup a (AWS) Postgres DB
• Postrgesql - check constraint on table column defined as array
• Postgres GROUP BY, then sort
• Postgres UPSERT on any constraint
• Optimal Postgres text index for LIKE query?
• PostgreSQL DBLink: No function matches the given name and argument types
• How can I store HTML code in a Postgresql DB table field?
• Removing comments from pg_dump output