One of the most common problems when running SQL Servers is slow queries. The help desk or database team usually hears that described as the application is slow or the database is slow. In the ...

The statements use a SQL string varchar data type, then you execute the command. Even though the SQL value is a string, SQL Server executes the string as if it is SQL code. Transact SQL, or T-SQL ...

Microsoft Copilot can write basic SQL code for your employees. Read about our tests that prove this is true.

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 ...

2. Author SQL statements & clauses Once you understand the structure and building blocks of a database, it’s time to learn to extract the information you need using SQL queries. You’ll study a ...