Check out these essential topics and subtopics to master SQL

In the tech business, one of the most sought-after skills is SQL, did you know that? 😮💼 Its wide range of database applications makes it a vital tool for any IT expert, which is why it is in high demand.🔧⚙️

However, learning SQL requires more than just creating queries; it also requires comprehending its extensive ecosystem.

These topics cover a broad spectrum of SQL concepts, from the basics to more advanced techniques and optimizations.

1. Basic SQL Syntax:

• SQL keywords
• Data types
• Operators
• SQL statements (SELECT, INSERT, UPDATE, DELETE)

2. Data Definition Language (DDL):

• CREATE TABLE
• ALTER TABLE
• DROP TABLE
• Truncate table

3. Data Manipulation Language (DML):

• SELECT statement (SELECT, FROM, WHERE, ORDER BY, GROUP BY, HAVING, JOINs)
• INSERT statement
• UPDATE statement
• DELETE statement

4. Aggregate Functions:

• SUM, AVG, COUNT, MIN, MAX
• GROUP BY clause