Lesson 2 of 8

Modify data with a secure DML

Master INSERT, UPDATE, DELETE and UPSERT with a controlled perimeter.

36 minPostgreSQL Pro

By the end of this lesson

  • Preview a UPDATE
  • Use RETURNING
  • Write an idempotent UPSERT

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Modify data with a secure DML is part of the complete programme: 38 lessons, 62 verifiable exercises and 8 published guided projects.

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