Sep 15, 2025 · The SQL USING clause is an important feature that simplifies join operations between tables. It allows you to directly specify the column (s) that both tables have in …

Sep 25, 2024 · The USING clause is used in SQL when performing joins (inner, left, right, or outer joins) and allows us to specify one or more columns on which the tables should be joined.

Jul 16, 2025 · USE is executed at both compile and execution time and takes effect immediately. Therefore, statements that appear in a batch after the USE statement are executed in the …

Feb 18, 2014 · When a SQL Server login connects to SQL Server, the login is automatically connected to its default database and acquires the security context of a database user. If no …

Learn SQL step-by-step using practical examples. These SQL tutorials covers all the aspect of query language to manipulate and retrieve the data from the relational databases.

If you are looking for an easy, fast, and efficient way to master SQL Server, you are in the right place. Our SQL Server tutorials are practical and packed with many hands-on activities.

With this approach you get to keep your variables and SQL Server does not freak out if you happen to go over a DECLARE statement twice.

Aug 22, 2025 · Use these SQL Server tutorials to learn new technologies and features. Tutorials for earlier versions of SQL Server usually work with more recent versions.

Nov 18, 2025 · This tutorial is intended for users who are new to writing SQL statements. It helps new users get started by reviewing some basic statements for creating tables and inserting data.

Nov 25, 2020 · The USE [database] command in SQL Server is used to switch the context to a specific database when running queries. This is useful when you need to work with multiple …