1. 7.16.6. PROGRAMMING WITH PL/SQL
   1. 7.16.6.1. CHARACTER SET
   2. 7.16.6.2. PROGRAMMING CONSTRUCTS
      1. 7.16.6.2.1. EXECUTING PL/SQL PROCEDURES
   3. 7.16.6.3. DECLARING VARIABLES
   4. 7.16.6.4. EXCEPTIONS
   5. 7.16.6.5. if LOGIC STRUCTURES
      1. 7.16.6.5.1. if-then
      2. 7.16.6.5.2. if-then-else
      3. 7.16.6.5.3. if-then-elsif
   6. 7.16.6.6. DO NOTHING
   7. 7.16.6.7. LOOPS
      1. 7.16.6.7.1. loop-exit-end
      2. 7.16.6.7.2. loop-exit when-end
      3. 7.16.6.7.3. while-loop-end
      4. 7.16.6.7.4. for-in-loop-end
   8. 7.16.6.8. CURSORS
      1. 7.16.6.8.1. EXPLICIT CURSORS
      2. 7.16.6.8.2. IMPLICIT CURSORS