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DAYOFWEEK Function
The DAYOFWEEK function converts a DATE or TIMESTAMP expression into an INTEGER
value in the range 1 through 7 that represents the corresponding day of the week. The value 1
represents Sunday, 2 represents Monday, and so forth.
DAYOFWEEK is a Neoview SQL extension.
DAYOFWEEK (datetime-expression)
datetime-expression
is an expression that evaluates to a datetime value of type DATE or TIMESTAMP. See
"Datetime Value Expressions" (page
Example of DAYOFWEEK
Return an integer that represents the day of the week from the START_DATE column in the
PROJECT table:
SELECT start_date, ship_timestamp, DAYOFWEEK(start_date)
FROM persnl.project
WHERE projcode = 1000;
Start/Date
----------
2008-04-10
The value returned is 5, representing Thursday. The week begins on Sunday.
390
SQL Functions and Expressions
Time/Shipped
--------------------------
2008-04-21 08:15:00.000000
257).
(EXPR)
------
5
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