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Oracle® OLAP DML Reference
11g Release 1 (11.1)

B28126-03
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WEEKOF

The WEEKOF function returns an INTEGER in the range of 1 to 53, which gives the week of the year in which a specified date falls. The result has the same dimensions as the specified DATE expression.

Return Value

INTEGER

Syntax

WEEKOF(date-expression)

Arguments

date-expression

An expression that has the DATE data type, or a text expression that specifies a date. The values of the text expression are converted automatically to DATE values, using the current setting of the DATEORDER option to resolve any ambiguity.

Notes

Determining Week 1

The value of WEEKDSYSNEWYEAR specifies how many days of the new year there must be in the week for WEEKOF to consider it to be week 1 of the new year. For example, when January 1 is on a Wednesday, then the week of December 29 to January 4 has four days in the new year. WEEKDSYSNEWYEAR must therefore have a value of 4 or less for that week to be counted as week 1. This determination of week 1 affects the numbering of all weeks in the year.

Examples

Example 8-164 Finding Today's Week

The following statement sends the week of the year in which today's date falls to the current outfile.

SHOW WEEKOF(TODAY)

When today's date is August 5, 1996, which is a Monday, this statement produces the following output.

32

Example 8-165 Finding the Week of a Date

The following statement sends the week of the year in which July 4 falls in 1996 to the current outfile.

SHOW WEEKOF('04JUL96')

This statement produces the following output.

27