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DDL operations

Safe schema changes, column management, and zero-downtime migrations

How-to guides​

How to redefine a PK without downtime​

Difficulty: intermediate • Time: 6 min

How to drop a column​

Difficulty: advanced • Time: 5 min

How to add a column​

Difficulty: advanced • Time: 5 min

How to add a CHECK constraint without downtime​

Difficulty: intermediate • Time: 5 min