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26>
27> CREATE TABLE works_on (emp_no INTEGER NOT NULL,
28> project_no CHAR(4) NOT NULL,
29> job CHAR (15) NULL,
30> enter_date DATETIME NULL)
31>
32> insert into works_on values (1, 'p1', 'analyst', '1997.10.1')
33> insert into works_on values (1, 'p3', 'manager', '1999.1.1')
34> insert into works_on values (2, 'p2', 'clerk', '1998.2.15')
35> insert into works_on values (2, 'p2', NULL, '1998.6.1')
36> insert into works_on values (3, 'p2', NULL, '1997.12.15')
37> insert into works_on values (4, 'p3', 'analyst', '1998.10.15')
38> insert into works_on values (5, 'p1', 'manager', '1998.4.15')
39> insert into works_on values (6, 'p1', NULL, '1998.8.1')
40> insert into works_on values (7, 'p2', 'clerk', '1999.2.1')
41> insert into works_on values (8, 'p3', 'clerk', '1997.11.15')
42> insert into works_on values (7, 'p1', 'clerk', '1998.1.4')
43>
44> select * from works_on
45> GO
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
emp_no project_no job enter_date
----------- ---------- --------------- -----------------------
1 p1 analyst 1997-10-01 00:00:00.000
1 p3 manager 1999-01-01 00:00:00.000
2 p2 clerk 1998-02-15 00:00:00.000
2 p2 NULL 1998-06-01 00:00:00.000
3 p2 NULL 1997-12-15 00:00:00.000
4 p3 analyst 1998-10-15 00:00:00.000
5 p1 manager 1998-04-15 00:00:00.000
6 p1 NULL 1998-08-01 00:00:00.000
7 p2 clerk 1999-02-01 00:00:00.000
8 p3 clerk 1997-11-15 00:00:00.000
7 p1 clerk 1998-01-04 00:00:00.000
(11 rows affected)
1>
2>
3> CREATE TABLE clerk_t
4> (emp_no INT NOT NULL,
5> project_no CHAR(4),
6> enter_date DATETIME)
7>
8> INSERT INTO clerk_t (emp_no, project_no, enter_date)
9> SELECT emp_no, project_no, enter_date FROM works_on
10> WHERE job = 'Clerk' AND project_no = 'p2'
11> GO
(2 rows affected)
1> select * from clerk_t;
2> GO
emp_no project_no enter_date
----------- ---------- -----------------------
2 p2 1998-02-15 00:00:00.000
7 p2 1999-02-01 00:00:00.000
(2 rows affected)
1> drop table clerk_t;
2> drop table works_on
3> GO
1>
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