Michel Milezzi questions

Michel Milezzi answers

• How to add index on extract() in postgresql
• Is there any difference between where and join?
• In Django with Postgresql 9.6 how to sort case and accent insensitive?
• SQLAlchemy and Postgres UnicodeDecodeError
• postgresql undefined json field does not return null as expected
• SQL Argument of LIMIT must not contain variables
• Limit query by count distinct column values
• postgresql weird invalid input syntax for type numeric: "" while value is not an empty varchar
• Postgres: how to grant an user to add more users to a group
• How to do an SQL UPDATE based on INSERT RETURNING id in Postgres?