Step by step guide to learning SQL in 2024

Comprehensive roadmap to learn SQL from scratch in 2024. From basic syntax to advanced querying, this step-by-step guide will equip you with the skills needed to excel in database management and data analysis.

SQL Roadmap

What are Relational Databases?

RDBMS Benefits and Limitations

SQL vs NoSQL Databases

Introduction

SQL keywords

Data Types

Operators

Basic SQL Syntax

Truncate Table

Alter Table

Create Table

Data Definition Language (DDL)

SELECT

FROM

WHERE

GROUP BY

ORDER BY

HAVING

JOINs

DELETE

INSERT

UPDATE

Data Manipulation Language (DML)

COUNT

Aggregate Queries

Primary Key

Foreign Key

Unique

NOT NULL

Data Constraints

INNER JOIN

LEFT JOIN

RIGHT JOIN

FULL OUTER JOIN

Cross Join

Self Join

JOIN Queries

Creating Views

Modifying Views

Dropping Views

Views

Scalar

Column

Table

Types of Sub Queries

Nested Subqueries

Correlated Subqueries

Sub Queries

FLOOR

CEILING

ROUND

Numeric

CONCAT

LENGTH

REPLACE

SUBSTRING

LOWER

UPPER

String Functions

CASE

NULLIF

COALESCE

Conditional

DATE

TIME

DATEADD

DATEPART

TIMESTAMP

Date and Time

Advanced SQL Functions

Data Integrity Constraints

GRANT and REVOKE

Database Security Best Practices

Data Integrity and Security

Stored Procedures and Functions

Managing Indexes

Query Optimization

Indexes

Using Indexes

Optimizing Joins

Reducing Subqueries

Selective Projection

Query Optimization Techniques

Query Analysis Techniques

Performance Optimization

BEGIN

COMMIT

ROLLBACK

SAVEPOINT

ACID

Transaction Isolation Levels

Transactions

Recursive Queries

Pivot and Unpivot Operations

Row_number

rank

dense_rank

lead

Window Functions

CTEs (Common Table Expressions)

Dynamic SQL

Advanced SQL Concepts