|Enlightened||First to answer and accepted with score of 10 or more. This badge can be awarded multiple times.|
Erwin Brandstetter earned this badge 5 times
jan 23 at 8:46Best practices for schema changes and data migrations to a live database without downtime?
aug 15 at 9:27PostgreSQL versus MySQL for EAV structures storage
may 17 '12 at 20:20PostgreSQL multi-column unique constraint and NULL values
jan 16 '12 at 18:09Query takes hours