Which exception is raised when a nonexistent data is fetched in PL SQL code?

Which exception is raised when a nonexistent data is fetched in PL SQL code?

The ORA-01403 error derives from an SQL query meant to return all data requested, but no data was found. The error is often associated with SELECT INTO clauses, which fetch rows or sets of columns from a database. The data gathered is then inserted into a set of predefined variables.

How do I fix Ora-01403 No data found?

Action: Terminate processing for the SELECT statement. Many people experience ORA-01403 in association with the SELECT INTO clause. SELECT INTO clauses are standard SQL queries which pull a row or set of columns from a database, and put the retrieved data into variables which have been predefined.

How do you handle no data?

Best techniques to handle missing data

1. Use deletion methods to eliminate missing data. The deletion methods only work for certain datasets where participants have missing fields.
2. Use regression analysis to systematically eliminate data.
3. Data scientists can use data imputation techniques.

What are the two types of exceptions in PL SQL?

PL/SQL facilitates programmers to catch such conditions using exception block in the program and an appropriate action is taken against the error condition. There are two type of exceptions: System-defined Exceptions. User-defined Exceptions.

Are there no _ data _ found exceptions in PL / SQL?

PL/SQL procedure successfully completed. SELECT MAX (column) INTO var FROM table WHERE conditions; IF var IS NOT NULL THEN The SELECT will give you the value if one is available, and a value of NULL instead of a NO_DATA_FOUND exception.

How to use no data found in SQL?

The No_data_found exception is an predefined exception of PL/SQL language. No_data_found example 1 declare v_name varchar2(100); begin select first_name into v_name from students where student_id=10000; exception when no_data_found then dbms_output.put_line(‘No student found!’); end;

When is no data found exception not thrown?

So, given function test_me throwing NO_DATA_FOUND exception, when invoked as: it does not throw exception. This does not occur with other exceptions. Below You can find my test examples. Could somebody please explain to me this behaviour?

Are there no _ data _ found exceptions bad for stored procedure?

BEGIN FOR rec IN (SELECT a.needed_field,b.other_field FROM table1 a LEFT OUTER JOIN table2 b ON a.needed_field = b.condition_field WHERE a.column = ???) LOOP IF rec.other_field IS NOT NULL THEN — whatever processing needs to be done to other_field END IF; END LOOP; END;