56:52

Functions (Part 2)

52:21

Sets in SQL

1:09:20

Window Function

49:49

Case When

1:07:33

Constraints (Unique, Not Null, Primary Key, Foreign Key , Check , Default)

1:03:02

Subquery

1:08:30

Clauses In SQL

1:00:20

Class 1 (Basic understanding of Data , Database , SQL )