Note that the ObjectScript $ZDATE and $ZDATETIME functions count week days from 0 through 6 (not 1 through 7). For further details, refer to the DAYOFWEEK function.
SQL SERVER DATEPART ISO
However, you can configure the first day of the week to another value, or you can apply the ISO 8601 standard which designates Monday as first day of the week. Weekday: The InterSystems IRIS default for weekday is to designate Sunday as first day of the week (weekday=1). For further details, refer to the WEEK function. Week: InterSystems IRIS can be configured to determine the week of the year for a given date using either the InterSystems IRIS default algorithm or the ISO 8601 standard algorithm. You can modify the returned values for several of these date parts by using the SET OPTION command with various time and date options. The preceding table shows the default return values for the various date parts.
These datepart component names and abbreviations are not case-sensitive.
SQL SERVER DATEPART FULL
The datepart argument can be one of the following date/time components, either the full name (the Date Part column) or its abbreviation (the Abbreviation column). $(datepart,date-expression)ĭATEPART is provided for Sybase and Microsoft SQL Server compatibility. This function can also be invoked from ObjectScript using the DATEPART() method call:
To return datepart information as a character string, use DATENAME.ĭATEPART returns the value of only one element of date-expression to return a string containing multiple date parts, use TO_DATE. The one exception is sqltimestamp (sts), which it returns as data type %Library.Timestamp. The DATEPART function returns the datepart information about a specified date/time expression as data type Integer. date-expression must contain a value of type datepart. The datepart can be specified as a literal or a host variable.Ī date, time, or timestamp expression from which the datepart value is to be returned. This name can be specified in uppercase or lowercase, with or without enclosing quotes. The name (or abbreviation) of a date or time part. The type of date/time information to return.
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