Insert the record of one table to another with the help of the cursor
Help, please!the tables are - 1. countries (country_id pk, country_name, region_id)
2A (country_id, country_name, region_id)
table data are
1 to 1
2 b 2
3 C 3
NULL d 4
5 e 5
6 f 6
7 g 7
-----------------------
Insert the record in the table a country table with the help of the cursor, insert all the non-null records.
This procedure does not correct result
-----------------------
create or replace
Amit procedure as
cursor c1 is select * from a;
RW a % rowtype;
Start
Open c1;
Fetch c1 into rw.
While (C1% found)
loop
insert into countries values (rw.country_id, rw.country_name, rw.region_id);
commit;
Fetch c1 into rw.
If rw.country_id is null then
Fetch c1 into rw.
end if;
end loop;
Close c1;
exception
while others then
dbms_output.put_line ('exception = name ' |) RW.country_name);
end;
You don't need cursor at all;
create or replace procedure amit as
begin
insert into countries (Country_ID, Country_Name, Region_ID)
(select a.Country_ID
,a.Country_Name
,a.Region_ID
from a
);
dbms_output.put_line('Rows inserted : ' || sql%rowcount);
commit;
end;
/
Tags: Database
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