SQL, the structured query language, is a programming language for communicating with databases. Variations on SQL are used by some of the most popular database tools in the world, including some ...

In SQL Server 2017, automatic plan correction was added, which allows for the database engine to automatically use the "last known good plan" for a query that has suddenly regressed in performance.

You can use SQL to create, modify, search, and display database information. Dynamic SQL lets you create a query string based off of user input. SQL Server allows you to create dynamic SQL statements.

Structured Query Language is also known as SQL. It is used to create queries that interrogate the data held in a relational database. Examples are: SELECT queries retrieve data from the database ...

A pass-through query allows you to speak to a non-SQL Server database. Traditionally, a pass-through query is written in the server’s native dialect and then passed to the server.

Using DBCC CHECKDB for SQL Database Repair REPAIR_ALLOW_DATA_LOSS argument with CHECKDB must be used only in an emergency and as the last option. It can fix errors that involve deallocating a row or ...

Recursive SQL can be very elegant and efficient. However, because of the difficulty developers can have understanding recursion, it is sometimes thought of as 'too inefficient to use frequently.' But, ...

From a T-SQL perspective, the SchemaOnly option forces the SQLDataReader to precede the command with a SET FMTONLY ON statement. Listing 1 shows the Visual Basic ADO.NET source code to obtain a data ...

Say, for instance, you want to query your entire database to match employee first name and last name to employee ID. The first thing you would do is click on the cell directly to the right of Field.