(1) date类型: 只用来存储日期. 是sql server2008新引进的数据类型, 存储格式:“YYYY-MM-DD” 占用空间:占用三个字节 数据可存储范围:0001-01-01~9999-12-31 (2) time类型 :只用来存储时间 存储格式:“hh:mm:ss” 占用空间:3~5个字节 数据可存储范围:00:00:00:0000000(7个0)~23:59:59.9999 999(...
date是一个可以解析为 time、date、smalldatetime、datetime、datetime2 或 datetimeoffset 值的表达式。date 参数可以是表达式、列表达式、用户定义变量或字符串文字。 获取月份:MONTH(date),返回日期对应的月份,返回int类型。参数同上。 获取天数:DAY(date),返回日期对应的天数,返回int类型。参数同上 获取任意时间部分,DA...
microtechpoint首席执行官创始人brian alderman mctmodule 3 sql server data types 3SQLServer数据类型FunctionOD1.pdf,Exact numeric Unicode characters Approximate numeric Binary strings Date and time Other Character strings • Decimal/numeric are functional
FunctionSyntaxReturn valueReturn data typeDeterminism SYSDATETIMESYSDATETIME ( )Returns adatetime2(7)value containing the date and time of the computer on which the instance of SQL Server runs. The returned value doesn't include the time zone offset.datetime2(7)Nondeterministic ...
FunctionSyntaxReturn valueReturn data typeDeterminism SYSDATETIMESYSDATETIME ( )Returns adatetime2(7)value containing the date and time of the computer on which the instance of SQL Server runs. The returned value doesn't include the time zone offset.datetime2(7)Nondeterministic ...
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MS SQL Server Data Types String Data Types Data typeDescriptionMax char lengthStorage char(n)Fixed-length non-Unicode character data (n must be between 1 and 8000)8,000n bytes (uses one byte for each character) varchar(n)Variable-length non-Unicode character data (n must be between 1 and...
SELECTCAST(YEAR(GETDATE())AS VARCHAR) --hour (00-23) SELECTDATEPART(hour,GETDATE()) --Hour (01-12) SELECTLEFT(RIGHT(CONVERT(CHAR(19),GETDATE(),100),7),2) --minute SELECTDATEPART(minute,GETDATE()) --second SELECTDATEPART(second,GETDATE()) ...
Some down-level clients don't support thetime,date,datetime2, anddatetimeoffsetdata types. The following table shows the type mapping between an up-level instance of SQL Server and down-level clients. SQL Server data typeDefault string literal format passed to down-level clientDown-level ODBCDown...
This article maps SQL Server data types to .NET data types (used by C#) for data structures and parameters onsp_execute_external_script. The following SQL and .NET data types are currently supported for input/output data sets and input/output parameters. ...