Implicit Cursors: sql%rowcount

  
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                    values( 1,             'Data Group' );

1 row created.

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

1 row created.

SQL>
SQL> insert into departments ( department_id, department_name )
  2                    values( 3,             'Call Center' );

1 row created.

SQL>
SQL> insert into departments ( department_id, department_name )
  2                    values( 4,             'Communication' );

1 row created.

SQL>
SQL> declare
  2  begin
  3    update departments
  4       set department_name = department_name
  5     where 1 = 2;
  6
  7    dbms_output.put ('An update with a WHERE clause 1 = 2 effects ');
  8    dbms_output.put_line(sql%rowcount || ' records.');
  9
 10    update departments
 11       set department_name = department_name;
 12
 13    dbms_output.put('No WHERE clause in an update effects ');
 14    dbms_output.put_line(sql%rowcount || ' records.');
 15  end;
 16  /
An update with a WHERE clause 1 = 2 effects 0 records.
No WHERE clause in an update effects 4 records.

PL/SQL procedure successfully completed.

SQL>
SQL> drop table departments;

Table dropped.

SQL> --

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Implicit Cursors: sql%rowcount : Implicit Cursor « Cursor « Oracle PL / SQL

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