The SQL (Structured Query Language) Training is designed to equip learners with the essential skills required to manage and manipulate relational databases. This course provides a comprehensive understanding of SQL syntax, database design principles, query writing, data retrieval, and data manipulation techniques. Whether you’re a beginner or an IT professional seeking to enhance your database knowledge, this course offers hands-on experience using industry-standard tools and real-world scenarios.
Introduction to Databases and SQL What is a Database Types of Databases (Relational vs Non-Relational Overview of RDBMS
Introduction to SQL (Structured Query Language SQL Syntax Basics Setting up SQL environment (MySQL/PostgreSQL/SQLite.
Data Definition Language (DDL) Creating Databases and Tables
Data Types in SQL PRIMARY KEY, FOREIGN KEY ALTER, DROP, RENAME, TRUNCATE Constraints (NOT NULL, UNIQUE, DEFAULT, CHECK).
Data Manipulation Language (DML) INSERT INTO (single and bulk)
UPDATE (with WHERE clause) DELETE (safe deletion) Working with NULLs
Transactions (BEGIN, COMMIT, ROLLBACK).
Data Query Language (DQL) – SELECT Mastery SELECT Basics
Filtering with WHERE Sorting with ORDER BY Limiting Results (LIMIT, OFFSET)
Aliases and Expressions DISTINCT keyword.
SQL Functions and Operators Arithmetic, Comparison, Logical Operators
String Functions (CONCAT, LENGTH, UPPER/LOWER) Date/Time Functions
Numeric Functions (ROUND, FLOOR, CEIL) Aggregate Functions (COUNT, SUM, AVG, MIN, MAX).
Advanced SQL Queries GROUP BY and HAVING Subqueries (Single-row, Multi-row, Correlated) CASE and IF statements COALESCE, NULLIF
Derived Tables (Subqueries in FROM).
Joins and Relationships Understanding Table Relationships INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN CROSS JOIN
SELF JOIN JOINs vs Subqueries.
Views, Indexes & Stored Objects Creating and Using Views Indexing (Clustered vs Non-clustered) Stored Procedures Functions and Triggers (basic level) Advantages & Performance Tips.
Data Security and User Management User Roles and Privileges GRANT and REVOKE SQL Injection and Prevention Backup and Restore Concepts
Data Encryption Overview (basic).
Real-World SQL Projects + Certification Prep Mini Project 1: E-commerce Sales Database Mini Project 2: Employee Management System Writing optimized SQL queries Performance tuning basics Certification exam sample questions and mock test.
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