bit

Integer data type 1, 0, or NULL.

Remarks

Columns of type bit cannot have indexes on them.

Microsoft® SQL Server™ optimizes the storage used for bit columns. If there are 8 or fewer bit columns in a table, the columns are stored as 1 byte. If there are from 9 through 16 bit columns, they are stored as 2 bytes, and so on.

See Also

ALTER TABLE

CAST and CONVERT

CREATE TABLE

Data Type Conversion

Data Types

DECLARE @local_variable

DELETE

INSERT

SET @local_variable

syscolumns

UPDATE

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