T-SQL Queries
SQL Command Types Explained: DDL, DML, DCL, and TCL
Learn the purpose and differences of SQL command types: DDL, DML, DCL, and TCL used for database structure and control.
Understanding SQL Logical Query Processing Order – The Heart of SQL Queries!
SQL processes queries in a specific logical order, not writing order. Understanding this flow helps build accurate and optimized queries.
SQL Server Joins Explained Simply
In SQL Server, joins are used to combine rows from two or more tables based on a related column between them.
SQL Server CASE Statement – Simple Explanation
The CASE statement in SQL Server is used to add conditional logic to your queries. It works like an IF-THEN-ELSE statement, allowing you to return dif...
Mastering ISNULL() Function in SQL Server
The ISNULL() function in SQL Server is used to replace NULL values with a specified replacement value.
