Types

Types

SQL Server 2008 is a relational database management system developed by Microsoft. In SQL Server 2008, there are several data types available that can be used to define columns in tables or variables in stored procedures.

Some of the commonly used data types in SQL Server 2008 include:

1. Numeric data types: These are used to store numeric values such as integers, decimals, and floating-point numbers. Examples include INT, BIGINT, DECIMAL, and FLOAT.
2. Character data types: These are used to store character strings, such as names, addresses, and descriptions. Examples include VARCHAR, NVARCHAR, and CHAR.
3. Date and time data types: These are used to store date and time values. Examples include DATE, TIME, DATETIME, and TIMESTAMP.
4. Binary data types: These are used to store binary data, such as images or documents. Examples include VARBINARY and IMAGE.
5. Miscellaneous data types: These include data types such as XML, UNIQUEIDENTIFIER, and CURSOR, which are used for specific purposes.

It is important to choose the appropriate data type for a column or variable to ensure efficient storage and retrieval of data. In addition, SQL Server 2008 allows for custom data types to be defined using user-defined data types (UDTs).

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