query based on group by clause

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query based on group by clause

Author

Topic

balakrishna
Starting Member

1 Post

Posted - 2008-06-21 : 02:42:21

Hello!
suppose i have two tables, table1 columns(empcode (pk), empDept) and table2 columns(empcode (FK),Date,Attendance) i wanted to write a query to get output like
DEPT ABSENT
-----------------------------
Accounts 10
EDP Section 0 **
Admin 2
Stationary 0**

if no employee is absent in the department it has to display Zero

PeterNeo
Constraint Violating Yak Guru

357 Posts

Posted - 2008-06-21 : 04:26:59

try this

SELECT T1.empDept, COUNT(T2.Attendance)
FROM table1 T1
LEFT JOIN table2 T2 ON T1.empcode = T2.empcode
GROUP BY T1.empDept

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2008-06-21 : 05:06:26

quote:
Originally posted by balakrishna

Hello!
suppose i have two tables, table1 columns(empcode (pk), empDept) and table2 columns(empcode (FK),Date,Attendance) i wanted to write a query to get output like
DEPT ABSENT
-----------------------------
Accounts 10
EDP Section 0 **
Admin 2
Stationary 0**

if no employee is absent in the department it has to display Zero

Is attendance a bit field?

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