T-SQL statements are generally categorized into several types:
Writing "correct" code is only the first step; high-level T-SQL skill involves writing efficient and clean code . How to write efficient TSQL - SQLServerCentral T-SQL Querying
Tools like CASE expressions allow developers to apply "if-else" logic directly within a query without moving data back to an external application. Best Practices for Performance and Readability T-SQL Querying
Includes SELECT , INSERT , UPDATE , and DELETE . Contrary to popular belief, SELECT is a DML statement because it interacts with data. T-SQL Querying