To optimize your queries for multiple users, you should avoid unnecessary joins that do not add value to your results. For example, you can use subqueries, views, or derived tables instead of ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Even though the SQL value is a string, SQL Server executes the string as if it is SQL code. Transact SQL, or T-SQL, provides you with the language to create the dynamic code.

Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database table and index structures. Maintain table data integrity through constraints. Understand how to ...

I have recently learned something extra about this subject which merits a new post, though: how to handle multiple URL query parameters with ... Pingback: Handling “Duplicate” Query String Values with ...