SQL Roadmap

Skill roadmap

Step by step guide to learning SQL in 2026

112 topics

Query Analysis Techniques

Advanced SQL

Nested Subqueries

Correlated Subqueries

Subqueries

SQL Keywords

Data Types

Data Definition Language (DDL)

Operators

COUNT

MIN

MAX

GROUP BY

HAVING

Data Constraints

Transactions

Data Integrity & Security

Stored Procedures & Functions

Window Functions

Recursive Queries

Pivot / Unpivot Operations

Common Table Expressions

Dynamic SQL

Have a look at the following related roadmaps

Different Types

Learn the Basics

What are Relational Databases?

RDBMS Benefits and Limitations

SQL vs NoSQL Databases

Basic SQL Syntax

JOIN Queries

Performance Optimization

Find the detailed version of this roadmap along with other similar roadmaps

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SELECT

INSERT

Truncate Table

DELETE

UPDATE

Data Manipulation Language (DML)

Alter Table

Statements

Create Table

Select

Drop Table

SUM

FROM

WHERE

JOINs

AVG

Primary Key

GROUP BY

ORDER BY

HAVING

Aggregate Queries

Foreign Key

INSERT

UPDATE

DELETE

Unique

NOT NULL

CHECK

Scalar

Column

Row

Table

INNER JOIN

LEFT JOIN

RIGHT JOIN

FLOOR

ABS

MOD

CONCAT

LENGTH

FULL OUTER JOIN

Advanced Functions

CEILING

ROUND

SUBSTRING

REPLACE

Self Join

Numeric Functions

UPPER

LOWER

Cross Join

CASE

NULLIF

String Functions

Views

COALESCE

Managing Indexes

DATE

TIME

Creating Views

Conditional

Query Optimization

TIMESTAMP

Modifying Views

DATEPART

DATEADD

Dropping Views

Indexes

Date and Time

Data Integrity Constraints

Transaction Isolation Levels

ACID

BEGIN

GRANT and Revoke

COMMIT

DB Security Best Practices

rank

ROLLBACK

dense_rank

SAVEPOINT

lead

lag

row_number

first_value

Using Indexes

Optimizing Joins

Reducing Subqueries

Selective Projection

Query Optimization Techniques

Backend

PostgreSQL

MongoDB

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