Writing a store procedure for deleting records

how can i write a store procedure for deleting records from a table.
i have a table called employees
empid
empname
deptid
and table department
deptid
dept
floor
how can i write a store procedure which would delete records of employees from employees table for particular department when i delete that department from department table.
thanks

872959 wrote:
how can i write a store procedure for deleting records from a table.
i have a table called employees
empid
empname
deptid
and table department
deptid
dept
floor
how can i write a store procedure which would delete records of employees from employees table for particular department when i delete that department from department table.
thanksDoes not seem to be a sound design, to me.
Employees do not go missing when organization change is made & department is eliminated.
If you insist such nonsense, write TRIGGER to issue desired DML

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I have two tables
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it has following records in it :
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2 marketing petter
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and how i have to insert date in to employee table which as
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872959 wrote:
i need to write a store procedure which would
Insert a row into the employee table. If the department does not exist. Insert it into the departments table.Software engineering is about taking a complex problem, reducing it into smaller simpler problems, and then solving each of these simpler problems in turn. The end-result is a solution for the complex problem.
So do the following. Write 3 procedures:
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- a procedure (or function) that checks whether a specific department exists in the departments table
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Once done, then you simply use these 3 building blocks in a new procedure that
a) checks if the department exists
b) inserts the department if it does not
c) inserts the employee
Keep in mind that a software engineering problem cannot be more simpler than this. You need to understand how to do this (simplifying the problem) and how the design and write the code for it. Real world problems are magnitudes more complex - and if you want to make software engineering a career, you should not be struggling to deal with the most elementary of problems.

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> Thank you. But still not completely understanding. I
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> you
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>
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>
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Hi Aruna,
I have tried to explain : "Big Question is by what mechanism we let the BW know that this is a delete"
Now to create a DataSource, you will have to include the information from the Tables as you mentioned:
1: CDHDR
2: CDPOS
In this table you can check the CHANG_ID as the field which gives the information of
1: Overwrite
2: Add
3: Delete
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i am trying to write a trigger which would help me delete the record from 3 different tables
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872959 wrote:
i am trying to write a trigger which would help me delete the record from 3 different tables
lets say i have table a , b and c
i an trying to write a trigger which would help me delete the same record from table a and c.
drop trigger az_zzz_trigger;
create trigger az_zzz_trigger
before INSERT or UPDATE or DELETE ON az_employ
FOR EACH ROW
BEGIN
IF DELETING then
delete from za_payroll
delete from az_salary_audit
end if;
end;
while executing this trigger all data of table za_payroll is delete.
what should i do so that only the record which i delete from az_employ gets deleted from az_payroll and az_salary_auditutilize appropriate WHERE clause

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Edited by: 864979 on Jun 9, 2011 10:02 PM

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Writing a store procedure for deleting records

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