Handle update exception : Exception Handle « PL SQL « Oracle PL / SQL






  1. Oracle PL / SQL
  2. PL SQL
  3. Exception Handle

Handle update exception

     

 set define '&'
 set verify off
 set serveroutput on

 declare
    invalid_column_name exception;
    pragma exception_init(invalid_column_name, -904);
  
    l_update_text varchar2(100) :=
      'update &&table_name set &&updated_column_name = '':a'' where &&key_column_name = :a';
  begin
    execute immediate l_update_text
      using '&update_column_value', &key_column_value;
  exception
    when INVALID_COLUMN_NAME then
      dbms_output.put('ERROR! You entered an invalid column name ');
      dbms_output.put('(&updated_column_name or &key_column_name). Please ');
      dbms_output.put_line('check your table definition and try again');
  end;
  /








Related examples in the same category

1.Check exception type
2.Deal with multiple exception branches
3.when other exceptions then
4.declaration exception
5.handle exception of duplicate value on index
6.when other then not user-defined exception
7.Using PRAGMA EXCEPTION_INIT
8.Different Values of SQLCODE and SQLERRM
9.The OTHERS Exception Handler
10.Error-handling features of PL/SQL: log exception
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