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

Slide 12.1: Relational databases and SQL
Slide 12.2: SQL (Structured Query Language)
Slide 12.3: SQL naming conventions
Slide 12.4: SQL commands
Slide 12.5: Oracle built-in datatypes
Slide 12.6: SQL CREATE TABLE statement
Slide 12.7: SQL CREATE TABLE statement (cont.)
Slide 12.8: SQL INSERT INTO statement
Slide 12.9: SQL INSERT INTO statement (cont.)
Slide 12.10: Generating a primary key automatically
Slide 12.11: Generating a primary key automatically (cont.)
Slide 12.12: SQL DELETE FROM statement
Slide 12.13: SQL UPDATE statement
Slide 12.14: SQL ALTER TABLE statement
Slide 12.15: SQL ALTER TABLE statement (cont.)
Slide 12.16: SQL DROP TABLE and TRUNCATE TABLE statements
Slide 12.17: SQL SELECT statement
Slide 12.18: SQL SELECT DISTINCT statement
Slide 12.19: SQL SELECT WHERE clause

  ☂ References

Slide 12.a: SQL tutorial from W3Schools







      “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