SQL data type (used by SQL Server six types)

Source: Internet
Author: User

The SQL data type is a property that specifies the type of data for any object. In each column in SQL, variables and expressions have related data types.

These data types are required when you create a table. Chooses a specific data type based on the requirements of the table column.

SQL Server provides six types for use:

Exact numeric data type:

Approximate numeric data types:

Date and time data type:

Note: here, the date time has a precision of 3.33 milliseconds, while the smalldatetime has 1 accuracy.

String data type:

Unicode character string data type:

Binary data type:

Other data types:

SQL data type (used by SQL Server six types)

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