MS-SQL: Data Types

by johna | May 3, 2008 | Databases Web Development

Data Types	Description
bigint	Integer data from -2^63 through 2^63-1
int	Integer data from -2^31 through 2^31 - 1
smallint	Integer data from -2^15 through 2^15 - 1
tinyint	Integer data from 0 through 255
bit	Integer data with either a 1 or 0 value
decimal	Fixed precision and scale numeric data from -10^38 +1 through 10^38 -1
numeric	Fixed precision and scale numeric data from -10^38 +1 through 10^38 -1
money	Monetary data values from -2^63 through 2^63 - 1
smallmoney	Monetary data values from -214,748.3648 through +214,748.3647
float	Floating precision number data from -1.79E + 308 through 1.79E + 308
real	Floating precision number data from -3.40E + 38 through 3.40E + 38
datetime	Date and time data from January 1, 1753, through December 31, 9999, with an accuracy of 3.33 milliseconds
smalldatetime	Date and time data from January 1, 1900, through June 6, 2079, with an accuracy of one minute
char	Fixed-length character data with a maximum length of 8,000 characters
varchar	Variable-length data with a maximum of 8,000 characters
text	Variable-length data with a maximum length of 2^31 - 1 characters
nchar	Fixed-length Unicode data with a maximum length of 4,000 characters
nvarchar	Variable-length Unicode data with a maximum length of 4,000 characters
ntext	Variable-length Unicode data with a maximum length of 2^30 - 1 characters
binary	Fixed-length binary data with a maximum length of 8,000 bytes
varbinary	Variable-length binary data with a maximum length of 8,000 bytes
image	Variable-length binary data with a maximum length of 2^31 - 1 bytes
cursor	A reference to a cursor
sql_variant	A data type that stores values of various data types, except text, ntext, timestamp, and sql_variant
table	A special data type used to store a result set for later processing
timestamp	A database-wide unique number that gets updated every time a row gets updated
uniqueidentifier	A globally unique identifier

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