Implicit Cursor: Too many rows : Implicit Cursor « Cursor « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » Cursor » Implicit Cursor 
25. 8. 15. Implicit Cursor: Too many rows
SQL>
SQL> CREATE TABLE employee
  2  (employee_id         NUMBER(7),
  3   last_name           VARCHAR2(25),
  4   first_name          VARCHAR2(25),
  5   userid              VARCHAR2(8),
  6   start_date          DATE,
  7   comments            VARCHAR2(255),
  8   manager_id          NUMBER(7),
  9   title               VARCHAR2(25),
 10   department_id       NUMBER(7),
 11   salary              NUMBER(112),
 12   commission_pct      NUMBER(42)
 13  );

Table created.

SQL>
SQL> INSERT INTO employee VALUES (1'V''Ben', 'cv',to_date('03-MAR-90 8:30', 'dd-mon-yy hh24:mi'),NULL, NULL, 'PRESIDENT', 502500, NULL);

row created.

SQL> INSERT INTO employee VALUES (2'N''Haidy', 'ln', '08-MAR-90', NULL,1'VP, OPERATIONS', 411450, NULL);

row created.

SQL> INSERT INTO employee VALUES (3'N''Molly', 'mn', '17-JUN-91',NULL, 1'VP, SALES', 311400, NULL);

row created.

SQL> INSERT INTO employee VALUES (4'S''Mark', 'mq', '07-APR-90',NULL, 1'VP, FINANCE', 101450, NULL);

row created.

SQL> INSERT INTO employee VALUES (5'R''AUDRY', 'ar', '04-MAR-90',NULL, 1'VP, ADMINISTRATION', 501550, NULL);

row created.

SQL> INSERT INTO employee VALUES (6'U''MOLLY', 'mu', '18-JAN-91',NULL, 2'WAREHOUSE MANAGER', 411200, NULL);

row created.

SQL> INSERT INTO employee VALUES (7'M''ROBERTA', 'rm', '14-MAY-90',NULL, 2'WAREHOUSE MANAGER', 411250, NULL);

row created.

SQL> INSERT INTO employee VALUES (8'B''BEN', 'ry', '07-APR-90', NULL, 2,'WAREHOUSE MANAGER', 411100, NULL);

row created.

SQL> INSERT INTO employee VALUES (9'C''Jane', 'ac', '09-FEB-92',NULL, 2'WAREHOUSE MANAGER', 411300, NULL);

row created.

SQL> INSERT INTO employee VALUES (10'H''Mart', 'mh', '27-FEB-91', NULL, 2,'WAREHOUSE MANAGER', 411307, NULL);

row created.

SQL>
SQL>
SQL>
SQL> DECLARE
  2     empRecord employee%ROWTYPE;
  3  BEGIN
  4     SELECT * INTO empRecord
  5     FROM   employee;
  6  EXCEPTION
  7     WHEN NO_DATA_FOUND THEN
  8        DBMS_OUTPUT.PUT_LINE('No Employee Record Found.');
  9     WHEN TOO_MANY_ROWS THEN
 10        DBMS_OUTPUT.PUT_LINE('More Than One Employee Record Found.');
 11     WHEN OTHERS THEN
 12        DBMS_OUTPUT.PUT_LINE('Unknown Error.');
 13  END;
 14  /
More Than One Employee Record Found.

PL/SQL procedure successfully completed.

SQL>
SQL> drop table employee;

Table dropped.

SQL>
SQL>
25. 8. Implicit Cursor
25. 8. 1. Taking a Shortcut with CURSOR FOR Loops
25. 8. 2. %ISOPEN, %FOUND, %NOTFOUND variables aren't useful at all in CURSOR FOR loops
25. 8. 3. Implicit Cursor Attributes: SQL%NOTFOUND
25. 8. 4. Implicit Cursor Attributes Example: SQL%ROWCOUNT
25. 8. 5. NO_DATA_FOUND Exception vs. %NOTFOUND
25. 8. 6. Looping through a Cursor by Using the LOOP Command
25. 8. 7. Adding an Exception Handler to a CURSOR FOR Loop
25. 8. 8. Knowing what record is processing
25. 8. 9. Use %ROWCOUNT to detect what record you are processing at a given point
25. 8. 10. Declare and use a cursor in for loop
25. 8. 11. Implicit cursor open, fetch and close
25. 8. 12. Handling exceptions in implicit cursors
25. 8. 13. Returning an implicit cursor into a record
25. 8. 14. The Difference between Explicit and Implicit Cursors
25. 8. 15. Implicit Cursor: Too many rows
25. 8. 16. Implicit Cursor: No rows found
25. 8. 17. Use implicit or explicit cursor to insert 50000 rows to a table
25. 8. 18. Test cursor attributes with an implicit cursor
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