Summary: in this tutorial, you will learn about SQL Server data types including numeric, character string, binary string, date & time, and other data types.
SQL Server data types Overview #
In SQL Server, a column, variable, and parameter holds a value that associated with a type, or also known as a data type. A data type is an attribute that specifies the type of data that these objects can store. It can be an integer, character string, monetary, date and time, and so on.
SQL Server provides a list of data types that define all types of data that you can use e.g., defining a column or declaring a variable.
The following picture illustrates the SQL Server data types system: