Querying: T-sql

Used for defining objects, such as CREATE , ALTER , and DROP .

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

Includes SELECT , INSERT , UPDATE , and DELETE . Contrary to popular belief, SELECT is a DML statement because it interacts with data. Used for defining objects, such as CREATE , ALTER , and DROP

T-SQL statements are generally categorized into several types: Contrary to popular belief, SELECT is a DML

These provide a way to encapsulate logic, making complex queries more readable and maintainable .

At the heart of T-SQL is the concept of a "set," a collection of distinct objects considered as a whole. Unlike traditional programming languages that process data row-by-row (procedural), T-SQL encourages interacting with entire tables at once. While a query is written in a specific order (e.g., SELECT , then FROM , then WHERE ), the database engine executes them differently , typically starting with the FROM clause to identify the data source. Key Components of T-SQL