Simple loop does not
I'm trying this simple FOR loop statement, but it keeps giving me the following error. Any help is greatly appreciated! Thank you very much.
Error report:
ORA-06550: line 5, column 18:
PLS-00382: expression is of the wrong type
06550 00000 - "line %s, column % s:\n%s".
* Cause: Usually a PL/SQL compilation error.
* Action:
/ * QUERY * /.
-Creating a temporary table
CREATE TABLE zzTab)
NUMBER of num
);
-Insertion of values from 1 to 10 in the table
BEGIN
I'm IN
(
SELECT to_number (ROWNUM) I
OF the double
CONNECT BY ROWNUM < = 10
)
LOOP
INSERT INTO zztab)
NUM
)
7. SELECT * I num
Double;
END LOOP;
END;
Hello
It will be easier to understand if you use different names for the record that contains the line (I kept it as I have below) and column (I changed it since I was at r_num below).
Use it instead:
BEGIN
I'm IN
(
SELECT to_number (ROWNUM) AS r_num
OF the double
CONNECT BY ROWNUM<>
)
LOOP
INSERT INTO zztab)
NUM
)
7. SELECT * i.r_num AS num
Double;
END LOOP;
END;
When you reference a column in the record, you give you both the registration name and the column name, for example i.r_num
Furthermore, you need not PL/SQL for this. SQL is simpler and more effective:
INSERT INTO zztab (num)
7. SELECT * ROWNUM
OF the double
CONNECT BY ROWNUM<=>=>
;
Tags: Database
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