Implicit Cursor Attributes: If the previous UPDATE statement didn't match any rows, insert a new row into the place table : Cursor ROWCOUNT « Cursor « Oracle PL / SQL

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Oracle PL / SQL » Cursor » Cursor ROWCOUNT 
Implicit Cursor Attributes: If the previous UPDATE statement didn't match any rows, insert a new row into the place table
  

SQL>
SQL> CREATE TABLE place (
  2    room_id          NUMBER(5PRIMARY KEY,
  3    building         VARCHAR2(15),
  4    room_number      NUMBER(4),
  5    number_seats     NUMBER(4),
  6    description      VARCHAR2(50)
  7    );

Table created.

SQL>
SQL> INSERT INTO place (room_id, building, room_number, number_seats, description)
  2             VALUES (20001'Building 7', 2011000'Large Lecture Hall');

row created.

SQL>
SQL> INSERT INTO place (room_id, building, room_number, number_seats, description)
  2             VALUES (20002'Building 6', 101500'Small Lecture Hall');

row created.

SQL>
SQL> INSERT INTO place (room_id, building, room_number, number_seats, description)
  2             VALUES (20003'Building 6', 15050'Discussion Room A');

row created.

SQL>
SQL> INSERT INTO place (room_id, building, room_number, number_seats, description)
  2             VALUES (20004'Building 6', 16050'Discussion Room B');

row created.

SQL>
SQL> INSERT INTO place (room_id, building, room_number, number_seats,description)
  2             VALUES (20005'Building 6', 17050'Discussion Room C');

row created.

SQL>
SQL> INSERT INTO place (room_id, building, room_number, number_seats, description)
  2             VALUES (20006'Music Building', 10010'Music Practice Room');

row created.

SQL>
SQL> INSERT INTO place (room_id, building, room_number, number_seats, description)
  2             VALUES (20007'Music Building', 2001000'Concert Room');

row created.

SQL>
SQL> INSERT INTO place (room_id, building, room_number, number_seats, description)
  2             VALUES (20008'Building 7', 30075'Discussion Room D');

row created.

SQL>
SQL> INSERT INTO place (room_id, building, room_number, number_seats,description)
  2             VALUES (20009'Building 7', 31050'Discussion Room E');

row created.

SQL>
SQL> BEGIN
  2    UPDATE place
  3      SET number_seats = 100
  4      WHERE room_id = 99980;
  5    IF SQL%ROWCOUNT = THEN
  6      INSERT INTO place (room_id, number_seats)
  7        VALUES (99980100);
  8    END IF;
  9  END;
 10  /

PL/SQL procedure successfully completed.

SQL>
SQL> drop table place;

Table dropped.

   
  
Related examples in the same category
1.Cursor attributes: FOUND NOTFOUND, ROWCOUNT
2.modified the cursor FOR LOOP presented earlier to include %ROWCOUNT:
3.IF csr_org%ROWCOUNT = 1 THEN
4.Check SQL%ROWCOUNT after update statement
5.Demonstrates the %ROWCOUNT cursor attribute by using a single-row implicit cursor based on the DUAL pseudotable
6.sql%rowcount macro
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