ORA-01422: exact fetch returns more than requested number of rows

I got “ORA-01422: exact fetch returns more than requested number of rows ” error in Oracle.

ORA-01422: exact fetch returns more than requested number of rows

Details of error are as follows.

ORA-01422: exact fetch returns more than requested number of rows

Cause: The number specified in exact fetch is less than the rows returned.

Action: Rewrite the query or change number of rows requested

exact fetch returns more than requested number of rows

This ORA-01422 errors are related with the number specified in exact fetch is less than the rows returned.

To solve this error, you should rewrite the query or change number of rows requested

If you got this error while using the SELECT INTO, then Replace your SELECT INTO statement with a cursor.

For example, if you tried to execute the following SQL statement, you will get this error.

SELECT id
INTO NUM
FROM employers
WHERE name = 'MEHMET';

You can read the following post to learn Cursors.

PL/SQL For Practitioners – #3 Explicit Cursor FOR LOOP Statement

Do you want to learn Oracle Database for Beginners, then read the following articles.

Oracle Tutorial | Oracle Database Tutorials for Beginners ( Junior Oracle DBA )