Copy columns from one Table to the other with PL/SQL in Apex
So my goal long-term is to throw this PL/SQL statement in a trial DMBS_SCHEDULER Apex 4.1 to create historical snapshots of the data a week but I'm hooked on this code:
declare
V_DEKIT_ID varchar (255);
V_NT varchar (255);
Number to resume;
Date of V_DDATE;
Start
for DEKIT_ID in (select * from DKT_HIST)
loop
Select DEKIT. DEKIT_ID in V_DEKIT_ID of DEKIT;
Select DEKIT. NT in DEKIT V_NT;
Select DEKIT. QUANTITY back of DEKIT;
Select CURRENT_DATE in double V_DDATE;
insert into DKT_HIST (DEKIT_ID, NT, QUANTITY, DDATE)
values (V_DEKIT_ID, V_NT, V_QUANTITY, V_DDATE);
end loop;
end;
I enter this code in the SQL prompt in the SQL workshop and it is said that she is treated, but when I look at the destination table (DKT_HIST), there is no data. Any help would be appreciated. In this code I want to copy the three columns of the DEKIT table as well as the current date and copy them to DKT_HIST for each row in the table DEKIT.
Thank you
-Steve
The reason why your code did nothing is probably because your loop, using the history table. And since there no data in the historical table first, there is nothing to loop.
BUT!
Good code is the task with the least possible effort. Which in your case should result in a code similar to this:
begin insert into DKT_HIST (DEKIT_ID,NT,QUANTITY,DDATE) select DEKIT_ID,NT,QUANTITY, trunc(sysdate) from DEKIT; end;
Tags: Database
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