How do I fix Ora-01403 No data found?

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 do you handle no data found exception in PL SQL?

Every Oracle error has a number, but exceptions must be handled by name. So, PL/SQL predefines some common Oracle errors as exceptions. 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.

What does no data found mean?

Cause: In a host language program, all records have been fetched. The return code from the fetch was +4, indicating that all records have been returned from the SQL query.

What is Raise_application_error in PL SQL?

The procedure RAISE_APPLICATION_ERROR lets you issue user-defined ORA- error messages from stored subprograms. That way, you can report errors to your application and avoid returning unhandled exceptions.

What is NVL and nvl2 in Oracle?

Nvl(arg1,arg2) nvl is used for converting null values. In nvl if argument 1 is null then it returns argument 2 but argument 1 is not null it returns itself. In nvl2 (arg1,arg2,arg3) in nvl2 it converts any number into according to given number with null also .

What is NVL SQL statement?

NVL lets you replace null (returned as a blank) with a string in the results of a query. If expr1 is null, then NVL returns expr2 .

How do I disable referential integrity constraints in Oracle?

There are multiple ways to disable constraints in Oracle. constraint_name; Another way to enable and disable constraints in Oracle would be to either use a plsql block or write a script. Execute Immediate ‘alter table ‘||:tab_name||’ disable constraint ‘||tabCons(numCount);

What is difference between NVL and NVL2?

What is the difference between nvl and nvl2? Answer: The nvl function only has two parameters while the nvl parameter has three arguments. The nvl2 like like combining an nvl with a decode because you can transform a value: NVL ( expr1 , expr2 ): If expr1 is null, then NVL returns expr2.