Use the SQL Server FLOAT data type to define columns, variables, and parameters storing floating-point numbers.  By floating point, we mean, numbers that have no fixed decimal place.  Consider

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SQL Server FLOAT Data Type

Use the SQL Server VARCHAR data type to define columns, variables, and parameters variable length characters.  VARCHAR types are variable in length.  They do not

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VARCHAR Data Type

Use the SQL Server INT data type to define columns, variables, and parameters storing whole numbers.  The INT data type stores a number in the

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SQL INT Data Type

Use the SQL Server DATETIME data type to define columns, variables, and parameters storing a date with the time of day.  The DATETIME data type stores both

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SQL DATETIME Data Type

Use the SQL Server NVARCHAR data type to define columns, variables, and parameters variable length characters.  NVARCHAR types are variable in length.  They take up more memory

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NVARCHAR Data Type

In SQL the columns of a table are defined to store a specific kind of value such as numbers, dates, or text;

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SQL Data Types