What is the difference between Sqlcode and Sqlerrm?

What is the difference between Sqlcode and Sqlerrm?

SQLCODE returns the number of the last encountered error. SQLERRM returns the message associated with its error-number argument.

How do I use Sqlerrm?

Passing a positive number to SQLERRM always returns the User-Defined Exception message unless you pass +100 , in which case SQLERRM returns the ORA-01403: no data found message. You cannot use SQLERRM directly in a SQL statement. Assign the value of SQLERRM to a local variable first, as shown in Example 13-6.

How are unexpected errors handled in Oracle?

To handle unexpected Oracle errors, you can use the OTHERS handler. Within this handler, you can call the functions SQLCODE and SQLERRM to return the Oracle error code and message text. Once you know the error code, you can use it with pragma EXCEPTION_INIT and write a handler specifically for that error.

How do I grant access to a package in Oracle?

The syntax for granting EXECUTE privileges on a function/procedure in Oracle is: GRANT EXECUTE ON object TO user; EXECUTE. The ability to compile the function/procedure.

Where can a subprogram be created?

You can create a subprogram either inside a PL/SQL block (which can be another subprogram), inside a package, or at schema level. A subprogram created inside a PL/SQL block is a nested subprogram.

What is the best way to use SQLCODE and SQLERRM functions?

The best way to use the SQLCODE and SQLERRM functions is inside an exception handler in PL/SQL. This is where you handle any errors that occur. If you use the SQLCODE function or SQLERRM function outside the error handler, it will return 0 and won’t be of use to you.

How do I use SQLERRM in PLSQL?

The SQLERRM function returns the error message associated with the most recently raised error exception. This function should only be used within the Exception Handling section of your code. The syntax for the SQLERRM function in Oracle/PLSQL is: There are no parameters or arguments for the SQLERRM function.

What does the SQLERRM function return?

The SQLERRM function returns the error message associated with the most recently raised error exception. This function should only be used within the Exception Handling section of your code.

What is the SQLERRM error message?

It is different from the ORA codes, which you may also get when working with Oracle databases. The SQLERRM function returns the error message that relates to the error number provided. This function is similar to the SQLCODE function, where the only real useful place for it is inside an exception handler in PL/SQL.