Combine subquery and other conditions : IN « Query Select « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » Query Select » IN 
2.17.8.Combine subquery and other conditions
SQL>
SQL>
SQL> create table course_schedule
  2  course     VARCHAR2(6)
  3  , begindate  DATE
  4  , trainer    NUMBER(4)
  5  , location   VARCHAR2(20)) ;

Table created.

SQL>
SQL>
SQL> insert into course_schedule values ('SQL',date '1999-04-12',1,'VANCOUVER' );

row created.

SQL> insert into course_schedule values ('OAU',date '1999-08-10',2,'CHICAGO');

row created.

SQL> insert into course_schedule values ('SQL',date '1999-10-04',3,'SEATTLE');

row created.

SQL> insert into course_schedule values ('SQL',date '1999-12-13',4,'DALLAS' );

row created.

SQL> insert into course_schedule values ('JAV',date '1999-12-13',5,'SEATTLE');

row created.

SQL> insert into course_schedule values ('XML',date '2000-02-03',6,'VANCOUVER' );

row created.

SQL> insert into course_schedule values ('JAV',date '2000-02-01',7,'DALLAS' );

row created.

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

row created.

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

row created.

SQL> insert into course_schedule values ('OAU',date '2000-09-27',9,'DALLAS' );

row created.

SQL> insert into course_schedule values ('ERM',date '2001-01-15',10, NULL    );

row created.

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

row created.

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

row created.

SQL>
SQL>
SQL> create table courses
  2  code        VARCHAR2(6)
  3  , description VARCHAR2(30)
  4  , category    CHAR(3)
  5  , duration    NUMBER(2)) ;



SQL>
SQL>
SQL> insert into courses values('SQL','SQL course',    'GEN',4);

row created.

SQL> insert into courses values('OAU','Oracle course', 'GEN',1);

row created.

SQL> insert into courses values('JAV','Java course',   'BLD',4);

row created.

SQL> insert into courses values('PLS','PL/SQL course', 'BLD',1);

row created.

SQL> insert into courses values('XML','XML course',    'BLD',2);

row created.

SQL> insert into courses values('ERM','ERM course',    'DSG',3);

row created.

SQL> insert into courses values('PMT','UML course',    'DSG',1);

row created.

SQL> insert into courses values('RSD','C# course',     'DSG',2);

row created.

SQL> insert into courses values('PRO','C++ course',    'DSG',5);

row created.

SQL> insert into courses values('GEN','GWT course',    'DSG',4);

row created.

SQL>
SQL>
SQL>
SQL> select *
  2  from   course_schedule
  3  where  begindate between date '1999-01-01' and date '1999-12-31'
  4  and    course in (select code from   courses where  category = 'GEN');

COURSE BEGINDATE    TRAINER LOCATION
------ --------- ---------- --------------------
SQL    13-DEC-99          4 DALLAS
SQL    04-OCT-99          3 SEATTLE
SQL    12-APR-99          1 VANCOUVER
OAU    10-AUG-99          2 CHICAGO

SQL>
SQL>
SQL> drop table course_schedule;

Table dropped.

SQL>
SQL> drop table courses;

Table dropped.

SQL>
SQL>
2.17.IN
2.17.1.Using the IN Operator
2.17.2.Use null value with IN operator
2.17.3.Use varchar2 type value with IN operator
2.17.4.Use in with subquery
2.17.5.Map pair with subquery by using IN operator
2.17.6.Get all managers
2.17.7.List all non-manager employee
2.17.8.Combine subquery and other conditions
2.17.9.Subquery and update statement
2.17.10.In subquery
2.17.11.In and subquery
2.17.12.Value pair and in operator
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