Part 118: Control Flow in Stored Programs: IF/ELSE & Loops

Writing algorithmic procedural logic in PL/pgSQL or T-SQL.

1. Syntax

IF user_balance < withdrawal_amount THEN
  RAISE EXCEPTION 'Insufficient funds available.';
ELSE
  -- Proceed with withdrawal
END IF;

Key Takeaways

• Control flow enables robust validation and error raising in database procedures.

In Part 119, we explore Cursors in SQL: Sequential Row Processing!