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Need Help with Multiplication

Author

Topic

sanlen
Starting Member

29 Posts

Posted - 2008-11-22 : 05:45:27

Hi All,

I have two tables as below:

create table table1
(tbl1_id int identity(1,1), name varchar(30), paying_rate money
CONSTRAINT pk_table1_id PRIMARY KEY (tbl1_id)
)

create table table2
(tbl2_id int identity(1,1), tbl1_id int, project varchar(30), working_hour int, total money
CONSTRAINT fk_tbl1_id FOREIGN KEY (tbl1_id) REFERENCES table1(tbl1_id)
)

I want after inserting working_hour in that table2, then the total in table2 will equal to paying_rate (in table1) * working_hour (in table2)
Could you please advise??

Best Regard,
SANLEN

SwePeso
Patron Saint of Lost Yaks

30421 Posts

Posted - 2008-11-22 : 06:04:53

See http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=114927

E 12°55'05.63"
N 56°04'39.26"

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2008-11-22 : 11:05:46

[code]UPDATE t2
SET t2.total=t2.working_hour * t1.paying_rate
FROM table1 t1
INNER JOIN table2 t2
ON t2.tbl1_id = t1.tbl1_id
[/code]

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