What is a named system exception?
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| Oracle PLSQL named system exceptions |
Named system exceptions are exceptions that have been given names by PL/SQL. They are named in the STANDARD package in PL/SQL and do not need to be defined by the programmer.
Oracle has a standard set of exceptions already named as follows:
DUP_VAL_ON_INDEX
ORA-00001
You tried to execute an INSERT or UPDATE statement that has created a duplicate value in a field restricted by a unique index.
TIMEOUT_ON_RESOURCE
ORA-00051
You were waiting for a resource and you timed out.
TRANSACTION_BACKED_OUT
ORA-00061
The remote portion of a transaction has rolled back.
INVALID_CURSOR
ORA-01001
You tried to reference a cursor that does not yet exist. This may have happened because you’ve executed a FETCH cursor or CLOSE cursor before OPENing the cursor.
NOT_LOGGED_ON
ORA-01012
You tried to execute a call to Oracle before logging in.
LOGIN_DENIED
ORA-01017
You tried to log into Oracle with an invalid username/password combination.
NO_DATA_FOUND
ORA-01403
You tried one of the following:
1. You executed a SELECT INTO statement and no rows were returned.
2. You referenced an uninitialized row in a table.
3. You read past the end of file with the UTL_FILE package.
TOO_MANY_ROWS
ORA-01422
You tried to execute a SELECT INTO statement and more than one row was returned.
ZERO_DIVIDE
ORA-01476
You tried to divide a number by zero.
INVALID_NUMBER
ORA-01722
You tried to execute an SQL statement that tried to convert a string to a number, but it was unsuccessful.
STORAGE_ERROR
ORA-06500
You ran out of memory or memory was corrupted.
PROGRAM_ERROR
ORA-06501
This is a generic “Contact Oracle support” message because an internal problem was encountered.
VALUE_ERROR
ORA-06502
You tried to perform an operation and there was a error on a conversion, truncation, or invalid constraining of numeric or character data.
CURSOR_ALREADY_OPEN
ORA-06511
You tried to open a cursor that is already open.
Use syntax :
DECLARE
[anonymous]
BEGIN
executable_section
EXCEPTION
WHEN exception_name1 THEN
[statements]
WHEN exception_name2 THEN
[statements]
WHEN exception_name_n THEN
[statements]
WHEN OTHERS THEN
[statements]
END [procedure_name];
