Error Handling Call : Exception Handle « PL SQL « Oracle PL / SQL

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Oracle PL / SQL » PL SQL » Exception Handle 
Error Handling Call
    
SQL>
SQL>
SQL> CREATE TABLE emp (
  2     empID INT NOT NULL PRIMARY KEY,
  3     Name      VARCHAR(50NOT NULL);

Table created.

SQL> INSERT INTO emp (empID,NameVALUES (1,'Tom');

row created.

SQL> INSERT INTO emp (empID,NameVALUES (2,'Jack');

row created.

SQL> INSERT INTO emp (empID,NameVALUES (3,'Mary');

row created.

SQL> INSERT INTO emp (empID,NameVALUES (4,'Bill');

row created.

SQL> INSERT INTO emp (empID,NameVALUES (5,'Cat');

row created.

SQL> INSERT INTO emp (empID,NameVALUES (6,'Victor');

row created.

SQL> CREATE OR REPLACE PROCEDURE ErrorTest(i_StudID IN INT,i_StudName IN VARCHAR)
  2  AS
  3     UnluckyNumber EXCEPTION;
  4  BEGIN
  5     IF i_StudID = 13 THEN
  6        RAISE UnluckyNumber;
  7     END IF;
  8     INSERT INTO emp VALUES (i_StudID, i_StudName);
  9  EXCEPTION
 10     WHEN DUP_VAL_ON_INDEX THEN
 11        dbms_output.put_line('An emp already exists with ID ' || i_StudID);
 12     WHEN UnluckyNumber THEN
 13        dbms_output.put_line('Can''t insert an emp with an unlucky ID');
 14  END;
 15  /

Procedure created.

SQL> CALL ErrorTest(10'Jason Fields');

Call completed.

SQL> CALL ErrorTest(13'Charles Ives');
Can't insert an emp with an unlucky ID

Call completed.

SQL>
SQL>
SQL> drop table emp;

Table dropped.

SQL>
SQL>

   
    
    
    
  
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2. Deal with multiple exception branches
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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. Error-handling features of PL/SQL: log exception
12. PLS-483 error: Duplicate Handlers
13. NO_DATA_FOUND exception.
14. The scope of exceptions.
15. Sub block in exception section
16. Catch all exceptions
17. Catch user-defined exception
18. Check zero divide exception
19. Combines declaring an EXCEPTION variable
20. Insert error message to a table in exception handler
21. Mapping a user-defined error code to an EXCEPTION variable
22. This script demonstrates the EXCEPTION_INIT pragma.
23. Raise exception in if statement
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