Sql week number1/31/2024 ![]() The values that are returned for DATEPART ( year, date), DATEPART ( month, date), and DATEPART ( day, date) are the same as those returned by the functions YEAR, MONTH, and DAY, respectively. SELECT DATEPART(week, ' '), DATEPART(weekday, ' ') SET DATEFIRST After setting DATEFIRST, use this suggested SQL statement for the datepart table values: This table shows the return value for the week and weekday datepart for ' ' for each SET DATEFIRST argument. ![]() January 1 of any year defines the starting number for the week datepart. The last two positions of the nanosecond datepart return value are always 00 and this value has a scale of 9:įor a week ( wk, ww) or weekday ( dw) datepart, the DATEPART return value depends on the value set by SET DATEFIRST. ![]() The date argument has a datetimeoffset(7) data type. This table lists all datepart arguments, with corresponding return values, for the statement SELECT DATEPART(datepart,' 12:15:32.1234567 +05:10'). SET DATEFORMAT doesn't change the return value when the date is a column expression of a date or time data type. The return value depends on SET DATEFORMAT if date is a string literal of some formats. The return value depends on the language environment set by using SET LANGUAGE, and by the Configure the default language Server Configuration Option of the login. Return Type int Return ValueĮach datepart and its abbreviations return the same value. See Configure the two digit year cutoff Server Configuration Option for information about two-digit years. Use four-digit years to avoid ambiguity issues. datepartĪn expression that resolves to one of the following data types:įor date, DATEPART will accept a column expression, expression, string literal, or user-defined variable. DATEPART does not accept user-defined variable equivalents for the datepart arguments.
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