This comprehensive SQL Server Training Ebook is designed to take you from the basics of SQL to advanced topics, helping you build a solid foundation and master SQL Server. Whether you are preparing for job interviews or looking to enhance your SQL skills, this ebook provides a thorough guide to SQL Server with practical examples and interview questions for each major section.

The ebook starts by introducing the fundamental concepts of SQL, relational databases, and the importance of SQL in data management. It then dives into key SQL concepts such as SELECT statements, joins, aggregate functions, and advanced queries like subqueries and CTEs. You will also learn about error handling, transactions, stored procedures, and performance tuning techniques in SQL Server. Finally, the book includes real-world interview questions to help you prepare for SQL-related job roles.

Table of Contents:

Introduction to SQL

What is SQL?
RDBMS (Relational Database Management System)
NoSQL vs. SQL
Importance of SQL in Data Management
Interview Questions

2. Basic SQL Concepts

Understanding Databases and Tables
SQL Server Data Types
SQL Command Categories (DDL, DML, TCL, DCL, DQL)
Create and Drop Database
Schema Concepts
Create, Drop, Alter, Update, and Truncate Tables
SQL Constraints:
Primary Key, Foreign Key, Identity Column, Default, Unique, Not Null, Check
Interview Questions

3. SQL SELECT Statements

Basic SELECT Statements: SELECT * and Selecting Specific Columns
Filtering Data with WHERE, Logical Operators (AND, OR, NOT), LIKE, BETWEEN
Aggregate Functions: COUNT, SUM, AVG, MAX, MIN
Grouping Data with GROUP BY and HAVING
Sorting Data with ORDER BY
SQL Joins: Inner, Left, Right, Full Outer, Cross, Self-Join, Union, Union All, Intersect, Except, Merge
Case Statements
Interview Questions

4. SQL Joins and Relationships

Primary and Foreign Keys
ERD (Entity Relationship Diagrams)
Database Normalization
Interview Questions

5. SQL Functions and Operators

Aggregate Functions: COUNT, SUM, AVG, MAX, MIN
Scalar Functions: LEN, GETDATE, UPPER, LOWER
Mathematical, String, Date, and Time Functions
Interview Questions

6. Advanced SQL Queries

Subqueries and Correlated Subqueries
Common Table Expressions (CTEs)
Recursive CTEs
Window Functions: ROW_NUMBER, RANK, DENSE_RANK, LEAD, LAG
Unbounding Preceding and Following
SQL Views
Indexes: Clustered vs Non-Clustered
Interview Questions

7. Error Handling in SQL

TRY-CATCH Error Handling
Interview Questions

8. Transactions in SQL

ACID Properties of Transactions
Managing Transactions: BEGIN TRAN, COMMIT, ROLLBACK
Deadlock Resolution
WITH (NOLOCK) Usage
Interview Questions

9. Stored Procedures and Functions

Creating Stored Procedures
Declaring and Using Parameters in Stored Procedures
Debugging Stored Procedures
Scalar and Table-Valued Functions
Interview Questions

10. Triggers in SQL Server

Types of Triggers
Creating DDL and DML Triggers
Interview Questions

11. SQL Server Performance Tuning

Query Optimization Techniques
Understanding Execution Plans
Interview Questions

12. File Import and Export in SQL

Importing Files: CSV, Excel
Exporting Files: CSV, Excel
Database Backup and Restore
Interview Questions

SQL Query Interview Questions

A comprehensive collection of SQL query-related interview questions.

Kanhaiya Kumar Gupta

Any Urgent Recommendation