GitHub - alex-waiganjo/SQL-Basics: A comprehensive reference guide and practical SQL collection covering string manipulation, numeric and date-time functions, multi-table joins, window functions, and set operators. · GitHub

Name		Name	Last commit message	Last commit date
README.md		README.md
part_1_string_functions.sql		part_1_string_functions.sql
part_2_number_functions.sql		part_2_number_functions.sql
part_3_datetime.sql		part_3_datetime.sql
part_4_joins.sql		part_4_joins.sql
part_5_window_functions.sql		part_5_window_functions.sql
part_6_set_operators.sql		part_6_set_operators.sql

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Name: Alex Waiganjo Date: 4/20/2026 Database: PostgreSQL

What this covers

String Functions
Number Functions
Date Time Functions
Joins
Window Functions
Set Operators

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Mastering commonly used SQL Joins on Dev.to

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A comprehensive reference guide and practical SQL collection covering string manipulation, numeric and date-time functions, multi-table joins, window functions, and set operators.

datetime joins set-operators string-functions window-functions

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