MySQL permits fractional seconds forTIME,DATETIME, andTIMESTAMPvalues, with up to microseconds (6 digits) precision. To define a column that includes a fractional seconds part, use the syntaxtype_name(fsp), wheretype_nameisTIME,DATETIME, orTIMESTAMP, andfspis the fractional seconds precision. Fo...
Date and Time Data Types The Transact-SQL date and time data types are listed in the following table. Expand table Note The Transact-SQLrowversiondata type is not a date or time data type. timestamp is a deprecated synonym for rowversion. Date and Time Functions The Transact-SQL date and...
Date and time data types The Transact-SQL date and time data types are listed in the following table: Data typeFormatRangeAccuracyStorage size (bytes)User-defined fractional second precisionTime zone offset timeHH:mm:ss[.nnnnnnn]00:00:00.0000000 through 23:59:59.9999999100 nanoseconds3 to 5YesNo...
However, SQL Server might interpret a date value in a string literal format, input by an application or user for storage or to a date function, as different dates. The interpretation depends on the combination of string literal format, data type, and runtime SET DATEFORMAT, SET LANGUAGE and...
New Date/Time Data Types SQL Server 2008 introduces new date and time data types: · DATE – a date only type · TIME – a time only type · DATETIMEOFFSET – a time zone aware datetime type · DATETIME2 – a datetime type w/ larger fractional seconds and year range than the existing...
This section describes the functions that can be used to manipulate temporal values. See Section 13.2, “Date and Time Data Types”, for a description of the range of values each date and time type has and the valid formats in which values may be specified. Table...
For temporal types that include a date part (DATE, DATETIME, and TIMESTAMP), use of these values may produce warning or errors. The precise behavior depends on which, if any, of the strict and NO_ZERO_DATE SQL modes are enabled; see Section 5.1.10, “Server SQL Modes”. ...
SQL_SS_TIMESTAMPOFFSET The following table shows the complete server-type mapping. Notice that some cells of the table contain two entries; in these cases, the first is the ODBC 3.0 value and the second is the ODBC 2.0 value. SQL Server data typeSQL data typeValue ...
data_type:目标系统所提供的数据类型,包括bigint和sql_variant,不能使用用户定义的数据类型。 使用CAST函数进行数据类型转换时,在下列情况下能够被接受: (1)两个表达式的数据类型完全相同。 (2)两个表达式可隐性转换。 (3)必须显式转换数据类型。 如果试图进行不可能的转换(例如,将含有字母的 char 表达式转换为 ...
在《SQL Language Reference》中对DATE数据类型进行了说明,明确指出DATE数据类型存储的是“date”日期和“time”时间,DATE数据类型都有自己的相关属性,对每个DATE类型的值,都会存储年、月、日、时、分和秒,换句话说,无论你是否指定,他都会存储这些, The DATE data type stores date and time information. Although...