How do you handle no data found exception in PL SQL?

How do you handle no data found exception in PL SQL?

5 Answers. When you are selecting INTO a variable and there are no records returned you should get a NO DATA FOUND error. I believe the correct way to write the above code would be to wrap the SELECT statement with it’s own BEGIN/EXCEPTION/END block.

How do I fix Ora 01403 No data found?

To fix this, re-create tables from the initial controlling database. The good news is that the ORA-01403 error is highly preventable. By creating the proper exceptions, the program should now operate free of the error and remain that way until edited again.

How does PL SQL handle cursor exceptions?

To handle the exception explicity, they must be declared using Pragma EXCEPTION_INIT as given above and handled referecing the user-defined exception name in the exception section.

How many types of exceptions are there in PL SQL?

three types
Exception types There are three types of exceptions: Predefined exceptions are error conditions that are defined by PL/SQL. Non-predefined exceptions include any standard TimesTen errors. User-defined exceptions are exceptions specific to your application.

What no data found exception?

For example, PL/SQL raises the predefined exception NO_DATA_FOUND if a SELECT INTO statement returns no rows. To handle other Oracle errors, you can use the OTHERS handler. The functions SQLCODE and SQLERRM are especially useful in the OTHERS handler because they return the Oracle error code and message text.

How can a user defined exception be raised?

User-defined exceptions must be raised explicitly by RAISE statements. To handle raised exceptions, you write separate routines called exception handlers. The use of OTHERS is optional and is allowed only as the last exception handler. You cannot include OTHERS in a list of exceptions following the keyword WHEN .

How do you handle exceptions in PL SQL?

An exception is a PL/SQL error that is raised during program execution, either implicitly by TimesTen or explicitly by your program. Handle an exception by trapping it with a handler or propagating it to the calling environment.

How do you handle exceptions in loop?

Whenever an exception occurred in a loop the control gets out of the loop, by handling the exception the statements after the catch block in the method will get executed. But, the loop breaks.

Which error occurs while program is running and Cannot be detected by PL SQL compiler?

2) Which error occurs while the program is running and cannot be detected by the PL/SQL compiler? Explanation: A software or a hardware problem that prevents a program from working correctly is known as a runtime error. These errors might cause to lose information in the file we are working on.

How do you debug in PL SQL?

Right-click the PL/SQL object that you want to debug and select Database Tools | Recompile. In the Recompile dialog, select With “debug” option. Click OK.

How to create a cursor for no data?

CREATE OR REPLACE procedure verify_data IS id number; name varchar; cursor c1 is select e.id,e.name from table1 e where id IN (select id from table1) and id in (select id from table2); BEGIN open c1; fetch c1 into id,name; if c1%notfound then DBMS_OUTPUT.PUT_LINE (‘OK’) EXIT; else DBMS_OUTPUT.PUT_LINE (id||name) end if; close c1; END;

What does no data found mean in PL / SQL?

The No_data_found exception is an predefined exception of PL/SQL language. dbms_output.put_line (‘No student found!’); No student found!

How to make the cursor output as a normal result?

CREATE OR REPLACE procedure verify_data IS cursor c1 is select e.id from table1 e where id IN (select id from table1) and id in (select id from table2); BEGIN FOR ed in c1 LOOP DBMS_OUTPUT.PUT_LINE (ed.id||ed.name); END LOOP; END; / I want to ask is how do i make it output as a normal result like this with the formating etc.. and also

When to raise no data found in SQL?

NO_DATA_FOUND is raised when the query does not return any rows. It has nothing to do with the column values. They could all be null and the statement would succeed.