What is Sqlcode in Plsql?
The function SQLCODE returns the number code of the most recent exception. For internal exceptions, SQLCODE returns the number of the associated Oracle error. SQLCODE is only useful in an exception handler. Outside a handler, SQLCODE always returns 0 .
What is Sqlcode and Sqlerrm in PL SQL?
SQLCODE and SQLERRM are Oracle’s built-in error reporting functions in PL/SQL. When an error occurs in PL/SQL at runtime: SQLCODE returns the number of the last encountered error. SQLERRM returns the message associated with its error-number argument.
What type is Sqlcode?
Answer: The SQLCODE is an ANSI standard, the same for all relational databases. See details in Oracle exception handling. The SQLCODE returned from reach call from the program to the database is translated by Oracle into a named Boolean variable (See table below).
What are the exceptions in PL SQL?
PL/SQL Pre-defined Exceptions
| Exception | Oracle Error | SQL Code |
|---|---|---|
| NO_DATA_FOUND | 01403 | +100 |
| NOT_LOGGED_ON | 01012 | -1012 |
| PROGRAM_ERROR | 06501 | -6501 |
| ROWTYPE_MISMATCH | 06504 | -6504 |
Why PL SQL exception handling is needed?
User-defined exceptions are declared in a package, subprogram, or within the declaration section of the PL/SQL block of code and should be assigned names. Thus the exception handling helps to deal with the errors that are encountered during the run time execution and not while compiling the program.
How do I catch an exception in SQL?
Exception Handling in SQL Server by TRY… CATCH
- ERROR_NUMBER() This returns the error number and its value is the same as for @@ERROR function.
- ERROR_LINE() This returns the line number of T-SQL statement that caused an error.
- ERROR_SEVERITY()
- ERROR_STATE()
- ERROR_PROCEDURE()
- ERROR_MESSAGE()
What happens after exception handler runs?
To handle raised exceptions, you write separate routines called exception handlers. After an exception handler runs, the current block stops executing and the enclosing block resumes with the next statement. If there is no enclosing block, control returns to the host environment.
What is PL SQL Exception Handling?
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.