Use rownum in where clause to limit the row count

   
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>
SQL>  select department_name, upper( department_name )
  2      from departments
  3     where rownum < 2
  4     order by department_name
  5    /
DEPARTMENT_NAME
--------------------------------------------------
UPPER(DEPARTMENT_NAME)
--------------------------------------------------
Data Group
DATA GROUP


1 row selected.

SQL>
SQL> drop table departments;

Table dropped.

SQL>
SQL>
SQL> --

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Use rownum in where clause to limit the row count : ROWNUM « Select Query « Oracle PL / SQL

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