meghana1118/Database

SQL

Database: SQL

Reading Material

Wikipedia on SQL.

Learning Material

SQL for Data Analysis.

Basics

1: Basic SQL

2: SQL Joins

3: SQL Aggregations

Level 2

4: SQL Subqueries and Temporary Tables

5: SQL Data CLeaning

Advanced

6: Advanced-SQL Window Functions (https://www.youtube.com/watch?v=H6OTMoXjNiM)

7: Advanced-SQL Advanced joins and Performance tuning

Practice questions for basic SQL

1:Hackerrank.

2:Leetcode MySQL questions.

3: PostgresSQL questions.

Interview questions

Towards Data Science.