The following slides introduce the SQL (Structured Query Language).

Slide 9.ⓐ: SQL tutorial from W3Schools (reference)

Slide 9.1: Relational databases and SQL
Slide 9.2: SQL (Structured Query Language)
Slide 9.3: SQL naming conventions
Slide 9.4: SQL commands
Slide 9.5: Oracle built-in datatypes
Slide 9.6: SQL CREATE TABLE statement
Slide 9.7: SQL CREATE TABLE statement (cont.)
Slide 9.8: SQL INSERT INTO statement
Slide 9.9: SQL INSERT INTO statement (cont.)
Slide 9.10: Generating a primary key automatically
Slide 9.11: Generating a primary key automatically (cont.)
Slide 9.12: SQL DELETE FROM statement
Slide 9.13: SQL UPDATE statement
Slide 9.14: SQL ALTER TABLE statement
Slide 9.15: SQL ALTER TABLE statement (cont.)
Slide 9.16: SQL DROP TABLE and TRUNCATE TABLE statements
Slide 9.17: SQL SELECT statement
Slide 9.18: SQL SELECT DISTINCT statement
Slide 9.19: SQL SELECT WHERE clause



      “By three methods we may learn wisdom:    
      First, by reflection, which is noblest;    
      Second, by imitation, which is easiest; and    
      third by experience, which is the bitterest.”    
      ― Confucious