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Update from another table?

Author

Topic

Wilco
Starting Member

9 Posts

Posted - 2007-10-16 : 19:25:38

I basically want to accomplish this (which doesn't seem to work):


UPDATE database_subs SET
    database_subs.payday_mon = database_availability.payday_mon,
    database_subs.payday_tue = database_availability.payday_tue,
    database_subs.payday_wed = database_availability.payday_wed,
    database_subs.payday_thu = database_availability.payday_thu,
    database_subs.payday_fri = database_availability.payday_fri,
    database_subs.payday_sat = database_availability.payday_sat,
    database_subs.payday_sun = database_availability.payday_sun,
    database_subs.timecard_mon = database_availability.timecard_mon,
    database_subs.timecard_tue = database_availability.timecard_tue,
    database_subs.timecard_wed = database_availability.timecard_wed,
    database_subs.timecard_thu = database_availability.timecard_thu,
    database_subs.timecard_fri = database_availability.timecard_fri,
    database_subs.timecard_sat = database_availability.timecard_sat,
    database_subs.timecard_sun = database_availability.timecard_sun
    WHERE database_subs.sub_id = database_availability.sub_id;

Is this possible? Should it be working?

tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2007-10-16 : 19:29:52

You need to join the two tables together.

UPDATE t1
SET Column1 = t2.Column1, Column2 = t2.Column2
FROM Table1 t1
INNER JOIN Table2 t2
ON t1.SomeColumn = t2.SomeColumn
WHERE ...

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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