Error-handling features of PL/SQL: log exception

     
SQL>
SQL> CREATE TABLE myLogTable (
  2    code             NUMBER,
  3    message          VARCHAR2(200),
  4    info             VARCHAR2(100)
  5    );

Table created.

SQL>
SQL>
SQL>
SQL> DECLARE
  2    v_ErrorCode NUMBER;          -- Code for the error
  3    v_ErrorMsg  VARCHAR2(200);   -- Message text for the error
  4    v_CurrentUser VARCHAR2(8);   -- Current database user
  5    v_Information VARCHAR2(100); -- Information about the error
  6  BEGIN
  7     null;
  8  EXCEPTION
  9    WHEN OTHERS THEN
 10      v_ErrorCode := SQLCODE;
 11      v_ErrorMsg := SQLERRM;
 12      v_CurrentUser := USER;
 13      v_Information := 'Error encountered on ' || TO_CHAR(SYSDATE) || ' by database user ' || v_CurrentUser;
 14      INSERT INTO myLogTable (code, message, info) VALUES (v_ErrorCode, v_ErrorMsg, v_Information);
 15  END;
 16  /

PL/SQL procedure successfully completed.

SQL>
SQL> select * from myLogTable;

no rows selected

SQL>
SQL> drop table myLogTable;

Table dropped.

SQL>
SQL>

1.	Check exception type
2.	Deal with multiple exception branches
3.	when other exceptions then
4.	Handle update exception
5.	declaration exception
6.	handle exception of duplicate value on index
7.	when other then not user-defined exception
8.	Using PRAGMA EXCEPTION_INIT
9.	Different Values of SQLCODE and SQLERRM
10.	The OTHERS Exception Handler
11.	PLS-483 error: Duplicate Handlers
12.	NO_DATA_FOUND exception.
13.	The scope of exceptions.
14.	Sub block in exception section
15.	Catch all exceptions
16.	Catch user-defined exception
17.	Check zero divide exception
18.	Combines declaring an EXCEPTION variable
19.	Insert error message to a table in exception handler
20.	Mapping a user-defined error code to an EXCEPTION variable
21.	This script demonstrates the EXCEPTION_INIT pragma.
22.	Error Handling Call
23.	Raise exception in if statement

Error-handling features of PL/SQL: log exception : Exception Handle « PL SQL « Oracle PL / SQL

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