Lesson 6 of 8

Encapsulate logic with functions and procedures

Choose a reusable object without hiding logic unnecessarily.

42 minPostgreSQL Pro

By the end of this lesson

  • Distinguish function and procedure
  • Declare parameters and result
  • Test edge cases

SQL Essentials

Unlock this lesson and continue the path.

Encapsulate logic with functions and procedures 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
View SQL EssentialsI already have access
Six-month access, one-time payment and no automatic renewal.
Encapsulate logic with functions and procedures — SQL.tn — SQL.tn