How do you handled errors in PL SQL program?
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….Predefined PL/SQL Exceptions.
|Exception||Oracle Error||SQLCODE Value|
What is the error code prefix for PL SQL errors?
PL/SQL warning messages all use the prefix PLW .
How do you resolve ORA 20000?
As previously mentioned, the ORA-06512 error and ORA-20000 error are often triggered together. To fix these errors, the user would need to correct the condition causing the errors or write an exception handler. To begin correcting the stack of errors, check the code in the lines indicated in the error message.
How do I view compilation errors in PL SQL Developer?
Add ‘show errors’ after the create or replace, and use F5 instead of Ctrl+Enter. This will run the entire script, and ask Oracle to show us any errors for the session.
Which statements can be checked for handling errors?
Explanation: DML statements can be checked for handling errors.
How PL SQL errors deal with PL SQL explain types of exceptions?
PL/SQL allows you to define your own exceptions according to the need of your program. A user-defined exception must be declared and then raised explicitly, using either a RAISE statement or the procedure DBMS_STANDARD. RAISE_APPLICATION_ERROR.
What is the difference between Pragma Exception_init and RAISE_APPLICATION_ERROR?
EXCEPTION_INIT is helps to assign a error number to the exception and which can be raised using RAISE and can be handled in EXCEPTION block. RAISE_APPLICATION_ERROR is used to return a valid error message to the calling application like Java, .
What is the use of Sqlcode?
The function SQLCODE returns the number code of the most recent exception. For internal exceptions, SQLCODE returns the number of the associated Oracle error. The number that SQLCODE returns is negative unless the Oracle error is no data found, in which case SQLCODE returns +100 .