How do you handle no data found exception in SQL?
SOLUTION: When you use SELECT INTO statement, your PL/SQL code should be written to handle ORA-1403 exception. PL/SQL raises the predefined exception NO_DATA_FOUND if a SELECT INTO statement returns no rows.
Can we handle exception in function in Oracle?
In function, an exception should always either return value or raise the exception further. else Oracle will throw ‘Function returned without a value’ error at run-time. Transaction control statements can be given at exception handling block.
How do I stop No data found exception?
The SELECT INTO statement does not accept an empty result set. To avoid a no data found exception being thrown when a result set is empty, this condition should be handled by either an exit handler, an emptiness check, or by assigning default values.
What happens if an exception is raised in the program and that exception is not handled by an exception section in either the current or enclosing PL SQL blocks?
If an exception is raised in your program and that exception is not handled by an exception section in either the current or enclosing PL/SQL blocks, that exception is “unhandled.” PL/SQL returns the error which raised an unhandled exception all the way back to the application environment from which PL/SQL was run.
Where can we handle the exceptions that have occurred in the declaration section of a block?
The exception section of a PL/SQL block can only possibly handle an exception raised in the executable section. An exception raised in the declaration section (in an attempt to assign a default value to a variable or constant) always propagates out unhandled to the enclosing block.
How do you handle exceptions in Oracle?
Raising Exceptions DECLARE exception_name EXCEPTION; BEGIN IF condition THEN RAISE exception_name; END IF; EXCEPTION WHEN exception_name THEN statement; END; You can use the above syntax in raising the Oracle standard exception or any user-defined exception.