Value pair and in operator : Query IN « Select Query « Oracle PL / SQL

1. Oracle PL / SQL
2. Select Query
3. Query IN

Value pair and in operator

    
SQL>
SQL> create table registrations
  2  ( attendee    NUMBER(4)
  3  , course      VARCHAR2(6)
  4  , begindate   DATE
  5  , evaluation  NUMBER(1)
  6  , constraint  R_PK        primary key
  7                            (attendee,course,begindate)
  8  ) ;

Table created.

SQL>
SQL> insert into registrations values (2,'SQL',date '2009-04-12',4   );

1 row created.

SQL> insert into registrations values (14,'SQL',date '2009-04-12',5   );

1 row created.

SQL> insert into registrations values (6,'SQL',date '2009-04-12',4   );

1 row created.

SQL> insert into registrations values (11,'SQL',date '2009-04-12',2   );

1 row created.

SQL> insert into registrations values (8,'SQL',date '2009-10-04',NULL);

1 row created.

SQL> insert into registrations values (9,'SQL',date '2009-10-04',3   );

1 row created.

SQL> insert into registrations values (13,'SQL',date '2009-10-04',4   );

1 row created.

SQL> insert into registrations values (13,'SQL',date '2009-12-13',NULL);

1 row created.

SQL>
SQL> create table offerings
  2  ( course     VARCHAR2(6)
  3  , begindate  DATE
  4  , Coder    NUMBER(4)
  5  , location   VARCHAR2(8)
  6  ) ;

Table created.

SQL> insert into offerings values ('SQL',date '2009-04-12',13,'DALLAS' );

1 row created.

SQL> insert into offerings values ('OAU',date '2009-08-10',4,'CHICAGO');

1 row created.

SQL> insert into offerings values ('SQL',date '2009-10-04',1,'SEATTLE');

1 row created.

SQL> insert into offerings values ('SQL',date '2009-12-13',1,'DALLAS' );

1 row created.

SQL> insert into offerings values ('JAV',date '2009-12-13',4,'SEATTLE');

1 row created.

SQL> insert into offerings values ('XML',date '2000-02-03',1,'DALLAS' );

1 row created.

SQL> insert into offerings values ('JAV',date '2000-02-01',11,'DALLAS' );

1 row created.

SQL> insert into offerings values ('PLS',date '2000-09-11',8,'DALLAS' );

1 row created.

SQL> insert into offerings values ('XML',date '2000-09-18',NULL,'SEATTLE');

1 row created.

SQL> insert into offerings values ('OAU',date '2000-09-27',13,'DALLAS' );

1 row created.

SQL> insert into offerings values ('ERM',date '2001-01-15',NULL, NULL    );

1 row created.

SQL> insert into offerings values ('PRO',date '2001-02-19',NULL,'DALLAS' );

1 row created.

SQL> insert into offerings values ('RSD',date '2001-02-24',8,'CHICAGO');

1 row created.

SQL>
SQL>
SQL> select attendee
  2  from   registrations
  3  where (course, begindate) in
  4        (select course, begindate
  5         from   offerings
  6         where  location = 'CHICAGO');

no rows selected

SQL>
SQL> drop table offerings;

Table dropped.

SQL> drop table registrations;

Table dropped.

SQL>

   
    
    
    
  

Related examples in the same category