06 Lesson 6 Using Comments to explain code easy way

دروس الكورس

1. 1- 01.Lesson 1 - introduction to PostgreSQL
2. 2- 02.Lesson 2 - Create Database, Select, Delete in PostgreSQL
3. 3- 03 Lesson 3 Create and Delete Table
4. 4- 04 Lesson 4 Insert data into Table
5. 5- 05 Lesson 5 Delete data into Table
6. 6- 06 Lesson 6 Using Comments to explain code easy way
7. 7- 07 Lesson 7 Arithmetic Operators
8. 8- 08 Lesson 8 Where Clause
9. 9- 09 Lesson 9 Comparison Operators
10. 10- 10 Lesson 10 Logical Operators
11. 11- 11 Lesson 11 Check Constraint
12. 12- 12 Lesson 12 Unique Constraint
13. 13- 13 Lesson 13 Not Null And Default Constraint
14. 14- 14 Lesson 14 Primary key And Foreign Key Constraint
15. 15- 15 Lesson 15 On Delete Restrict and Cascade Constraint
16. 16- 16 Lesson 16 Alter table
17. 17- 17 Lesson 17 Update Table
18. 18- 18 Lesson 18 Delete From Table
19. 19- 19 Lesson 19 Order By Clause
20. 20- 20 Lesson 20 Group By And Having Clause
21. 21- 21 Lesson 21 Limit and Offset Operators
22. 22- 22 Lesson 22 Alias in PostgreSql Database
23. 23- 23 Lesson 23 Like Operator in PostgreSql Database
24. 24- 24 Lesson 24 Enumeration Data Type in PostgreSql Database
25. 25- 25 Lesson 25 Numeric Types in PostgreSql Database
26. 26- 26 Lesson 26 Geometric Types in PostgreSql Database
27. 27- 27 Lesson 27 JSON Types in PostgreSql Database