Update two tables in one procedure : Update Data « Transact SQL « SQL Server / T-SQL

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SQL Server / T-SQL » Transact SQL » Update Data 




Update two tables in one procedure


32>
33CREATE TABLE employee  (emp_no    INTEGER NOT NULL,
34>                         emp_fname CHAR(20NOT NULL,
35>                         emp_lname CHAR(20NOT NULL,
36>                         dept_no   CHAR(4NULL)
37>
38insert into employee values(1,  'Matthew', 'Smith',    'd3')
39insert into employee values(2,  'Ann',     'Jones',    'd3')
40insert into employee values(3,  'John',    'Barrimore','d1')
41insert into employee values(4,  'James',   'James',    'd2')
42insert into employee values(5,  'Elsa',    'Bertoni',  'd2')
43insert into employee values(6,  'Elke',    'Hansel',   'd2')
44insert into employee values(7,  'Sybill',  'Moser',    'd1')
45>
46select from employee
47> GO

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)
emp_no      emp_fname            emp_lname            dept_no
----------- -------------------- -------------------- -------
          Matthew              Smith                d3
          Ann                  Jones                d3
          John                 Barrimore            d1
          James                James                d2
          Elsa                 Bertoni              d2
          Elke                 Hansel               d2
          Sybill               Moser                d1

(rows affected)
1>
2CREATE TABLE works_on        (emp_no       INTEGER NOT NULL,
3>                         project_no    CHAR(4NOT NULL,
4>                         job CHAR (15NULL,
5>                         enter_date    DATETIME NULL)
6>
7insert into works_on values (1'p1', 'analyst', '1997.10.1')
8insert into works_on values (1'p3', 'manager', '1999.1.1')
9insert into works_on values (2'p2', 'clerk',   '1998.2.15')
10insert into works_on values (2'p2',  NULL,     '1998.6.1')
11insert into works_on values (3'p2',  NULL,     '1997.12.15')
12insert into works_on values (4'p3', 'analyst', '1998.10.15')
13insert into works_on values (5'p1', 'manager', '1998.4.15')
14insert into works_on values (6'p1',  NULL,     '1998.8.1')
15insert into works_on values (7'p2', 'clerk',   '1999.2.1')
16insert into works_on values (8'p3', 'clerk',   '1997.11.15')
17insert into works_on values (7'p1', 'clerk',   '1998.1.4')
18>
19select from works_on
20> GO

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)
emp_no      project_no job             enter_date
----------- ---------- --------------- -----------------------
          p1         analyst         1997-10-01 00:00:00.000
          p3         manager         1999-01-01 00:00:00.000
          p2         clerk           1998-02-15 00:00:00.000
          p2         NULL            1998-06-01 00:00:00.000
          p2         NULL            1997-12-15 00:00:00.000
          p3         analyst         1998-10-15 00:00:00.000
          p1         manager         1998-04-15 00:00:00.000
          p1         NULL            1998-08-01 00:00:00.000
          p2         clerk           1999-02-01 00:00:00.000
          p3         clerk           1997-11-15 00:00:00.000
          p1         clerk           1998-01-04 00:00:00.000

(11 rows affected)
1>
2>
3CREATE PROCEDURE modify_empno (@old_no INTEGER, @new_no INTEGER)
4> AS UPDATE employee SET emp_no = @new_no WHERE emp_no = @old_no
5>    UPDATE works_on SET emp_no = @new_no WHERE emp_no = @old_no
6> GO
1>
2> EXEC modify_empno 1,99
3> GO

(rows affected)

(rows affected)
1>
2select from employee
3select from works_on
4> GO
emp_no      emp_fname            emp_lname            dept_no
----------- -------------------- -------------------- -------
         99 Matthew              Smith                d3
          Ann                  Jones                d3
          John                 Barrimore            d1
          James                James                d2
          Elsa                 Bertoni              d2
          Elke                 Hansel               d2
          Sybill               Moser                d1

(rows affected)
emp_no      project_no job             enter_date
----------- ---------- --------------- -----------------------
         99 p1         analyst         1997-10-01 00:00:00.000
         99 p3         manager         1999-01-01 00:00:00.000
          p2         clerk           1998-02-15 00:00:00.000
          p2         NULL            1998-06-01 00:00:00.000
          p2         NULL            1997-12-15 00:00:00.000
          p3         analyst         1998-10-15 00:00:00.000
          p1         manager         1998-04-15 00:00:00.000
          p1         NULL            1998-08-01 00:00:00.000
          p2         clerk           1999-02-01 00:00:00.000
          p3         clerk           1997-11-15 00:00:00.000
          p1         clerk           1998-01-04 00:00:00.000

(11 rows affected)
1>
2> drop procedure modify_empno
3> drop table employee
4> drop table works_on
5>
6> GO
1>
2>
           
       














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