Lesson 3 of 8

Protect an operation with transactions

Use COMMIT, ROLLBACK and SAVEPOINT by understanding the competition.

40 minPostgreSQL Pro

By the end of this lesson

  • Define an atomic unit
  • Recover with SAVEPOINT
  • Recognize a Competing Conflict

SQL Essentials

Unlock this lesson and continue the path.

Protect an operation with transactions is part of the complete programme: 38 lessons, 62 verifiable exercises and 8 published guided projects.

  • Complete content with explained examples
  • SQL simulator and expected result
  • Detailed answer, common mistakes and challenge
Six-month access, one-time payment and no automatic renewal.