Pl sql if inserting updating origin of calendar dating

Lets create a compound trigger for auditing a large table called ’employees’. SALARY); v_emp_changes(v_index).to_value := to_char(: NEW. SALARY); v_emp_changes(v_index).action := 'Update'; END IF; END IF; IF v_index = v_threshhold THEN flush_logs(); END IF; END AFTER EACH ROW; -- AFTER STATEMENT Section: AFTER STATEMENT IS BEGIN flush_logs(); END AFTER STATEMENT; END aud_emp; / INSERT INTO employees VALUES (1, 'emp1', 10000); INSERT INTO employees VALUES (2, 'emp2', 20000); INSERT INTO employees VALUES (3, 'emp3', 16000); UPDATE employees SET salary = 2000 WHERE salary EMP_ID, UPD_BY, UPD_DT, ACTION, FIELD, FROM_VALUE, TO_VALUE 1, Aditya,1/22/2014 AM, Create,*, NULL,* 2, Aditya,1/22/2014 AM, Create,*, NULL,* 3, Aditya,1/22/2014 AM, Create,*, NULL,* 2, Aditya,1/22/2014 AM, Update, SALARY,20000,2000 3, Aditya,1/22/2014 AM, Update, SALARY,16000,2000 Now any changes in any field of employees will to be written in aud_emp table.Any changes made in any field of ’employees’ table needs to be logged in as a separate row in audit table ‘aud_empl’. A beauty of this approach is we were able to access same data ‘v_emp_changes’ between statement and row triggering events.Begin Insert Into table Values(); Exception When Dup_Value_On_Index then Update Table Set = Where; End; HIHCOULD YOU SHOW ME A REAL EXAMPLE? Begin Insert Into table2 Values(select mydate, amount from my table1); Exception When Dup_Value_On_Index then Update table2 Set amount = table1.amount amount Where mydate = table1.mydate ; End; Begin Insert Into table2 Select date, amount From table1 Where date = something; Commit; Exception -- Insert failed, so update record When Dup_Value_On_Index Then Begin Update table2 Set amount = amount -- add amount from sub query (Select t.amount From table1 t Where = something) Where date = something; Commit; End; -- end exception End; -- end programupdate table B set (amount) = (select amount from table A where table A.mydate = table B.mydate) where mydate in (select mydate from table A); This still would not take my current value in TABLEB and increment it.. TABLEA mydate amount -------- --------- 3/10 200 TABLEB mydate amount -------- --------- 3/10 1000 after my update.. TABLEB mydate amount -------- -------- 3/10 1200 My primary key being "mydate" Thanks! JEThis works perfect, but what if I have multiple days in table A.. mydate amount -------- --------- 3/10 100 3/10 200 3/11 100 If I use this update method, it gives an error that it returns more than a single row.. JEIf you have a unigue constraint on the table you can also use an exception.

create or replace trigger Trig On Test1 BEFORE -- before instead of after insert or update on mytest1 referencing OLD as old NEW as new for each row begin if :new.col1 = 100 then :new.col3 := 500; -- set value here end if; end;" id="ctl00_m_m_i_ctl00_gr_ctl03_bestanswerbody" class="textarea-bestanswerhidden" name="bestanswerbody" answerbody Id="1455172" / you should do this: create or replace trigger Trig On Test1 BEFORE -- before instead of after insert or update on mytest1 referencing OLD as old NEW as new for each row begin if :new.col1 = 100 then :new.col3 := 500; -- set value here end if; end; it would be much easier to do it all in a single trigger.It does not "see" the new record because the record has not been committed so the update comes back with 0 rows updated.It might be better include the logic in the trigger itself. all I have a situation where I have to check for insert on a table or change for a perticular field in the table and populate two other fields of the same table.I am trying it at a smaller level with this example but it is not giving me updated value of the column col3. Created a new table : ================ create table mytest1(col1 number not null , col2 number not null, col3 number ) Created a procedure to update col3 ============================= create or replace procedure mytestproc(in_col1 in number) as pragma autonomous_transaction; begin update mytest1 set col3 = 500 where col1 = in_col1; commit; end; Created a trigger to check for insert or update (right now for any column) ================================== create or replace trigger Trig On Test1 after insert or update on mytest1 referencing OLD as old NEW as new for each row begin if :new.col1 = 100 then mytestproc ( :new.col1 ); end if; end; when trying to insert values it does not calcualte the value for column col3 and populated NULL insert into mytest1 values(100,2,3); Please let me know if any one has any suggestions Thanks The procedure is an autonomous transaction.

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This is because compound trigger in oracle 11g has a declarative section where one can declare variable to be used within trigger.

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