SQL Roadmap

Data Types

• Different data types available in SQL (e.g., INTEGER, VARCHAR, DATE).

Functions

• SELECT

• FROM

• WHERE

• ORDER BY

• GROUP BY

• HAVING

• COUNT()

• SUM()

• AVG()

• MIN()

• MAX()

• DISTINCT

• JOIN

• INNER JOIN

• LEFT JOIN

• RIGHT JOIN

• FULL JOIN

• UNION

• UNION ALL

• IN()

• BETWEEN

• LIKE

• CASE

• COALESCE()

• NULLIF()

• CAST()

• CONVERT()

• SUBSTRING()

• DATEPART()

• GETDATE()

SQL Statements

• Learning various SQL statements such as INSERT, UPDATE, DELETE.

Aggregate Functions

• Using aggregate functions like COUNT, SUM, AVG, MIN, MAX.

Joins

• Mastering different types of joins (INNER, LEFT, RIGHT, FULL) to combine data from multiple tables.

Subqueries

• Utilizing subqueries to nest queries within other queries.

Views

• Creating and using views to simplify complex queries.

Constraints

• Defining constraints like PRIMARY KEY, FOREIGN KEY, UNIQUE, NOT NULL.

Stored Procedures and Functions

• Writing and executing stored procedures and functions for reusable logic.

Normalization

• Understanding normalization techniques to design efficient database schemas.

Triggers

• Understanding and implementing triggers for automatic actions on certain events.

Indexing

• Creating and managing indexes for optimizing query performance.

Transactions

• Understanding transaction concepts and managing transactions with COMMIT and ROLLBACK.

Window Functions

• Applying window functions for advanced analytical queries.

Security

• Managing user permissions and securing the database.

Performance Optimization

• Strategies for optimizing SQL queries and database performance.

Data Migration

• Techniques for migrating data between databases or tables.

Data Import and Export

• Importing and exporting data using SQL tools and commands.