handle exception of duplicate value on index : Exception Handle « PL SQL « Oracle PL / SQL

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Oracle PL / SQL » PL SQL » Exception Handle 
handle exception of duplicate value on index
     
SQL>
SQL>
SQL> CREATE TABLE departments
  2  (department_id           number(10)            not null,
  3   department_name         varchar2(50)          not null,
  4   CONSTRAINT departments_pk PRIMARY KEY (department_id)
  5  );

Table created.

SQL>
SQL>
SQL>
SQL> insert into departments department_id, department_name )
  2                    values1,             'Data Group' );

row created.

SQL>
SQL> insert into departments department_id, department_name )
  2                    values2,             'Purchasing' );

row created.

SQL>
SQL> insert into departments department_id, department_name )
  2                    values3,             'Call Center' );

row created.

SQL>
SQL> insert into departments department_id, department_name )
  2                    values4,             'Communication' );

row created.

SQL>
SQL>
SQL>  declare
  2      l_dept departments%rowtype;
  3    begin
  4      l_dept.department_id := 100;
  5      l_dept.department_name := 'Tech Dudes';
  6      insert into departments department_id, department_name )
  7      valuesl_dept.department_id, l_dept.department_name );
  8    exception
  9      when DUP_VAL_ON_INDEX then
 10        dbms_output.put_line('DUP_VAL_ON_INDEX exception.');
 11        dbms_output.put_line('This is where we''d write out own handler code.');
 12    end;
 13    /

PL/SQL procedure successfully completed.

SQL>
SQL> drop table departments;

Table dropped.

SQL>
SQL>

   
    
    
    
  
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2. Deal with multiple exception branches
3. when other exceptions then
4. Handle update exception
5. declaration exception
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
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