SQL Tutorials

Introduction to SQL

Understand what SQL is, its importance, and basic concepts.

Setting Up Your Environment

Install and configure a database system for practice.

Basic SQL Commands (SELECT, FROM, WHERE)

Learn the fundamental commands to query data.

SQL JOINs

Combine data from multiple tables using INNER, LEFT, RIGHT, and FULL JOINs.

SQL Aggregation Functions (COUNT, SUM, AVG, MAX, MIN)

Perform calculations on groups of rows.

GROUP BY and HAVING Clauses

Group rows and filter aggregated results.

SQL Subqueries

Use queries within queries to solve complex problems.

Data Manipulation (INSERT, UPDATE, DELETE)

Learn to modify data in your database.

Data Definition Language (CREATE, ALTER, DROP)

Manage database structures like tables and indexes.

SQL Window Functions

Perform calculations across a set of table rows related to the current row.

SQL Performance Tuning

Optimize your queries for faster execution.