• Chapter 01: Selecting Data

• Chapter 02: Filtering Records

• Chapter 03: Aggregate Functions

• Chapter 04: Sorting and Grouping

• Chapter 1

• Chapter 2

• Chapter 3

• Chapter 4

• Chapter 01:Selecting Data

• Chapter 02: Filtering Records

• Chapter 03: Aggregate Functions

• Chapter 04: Sorting and Grouping

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