Stored Procedure to Retrieve a Customer's Most Recent Order : Select statement « Transact SQL « SQL Server / T-SQL Tutorial






4>  CREATE TABLE employee(
5>     id          INTEGER NOT NULL PRIMARY KEY,
6>     first_name  VARCHAR(10),
7>     last_name   VARCHAR(10),
8>     salary      DECIMAL(10,2),
9>     start_Date  DATETIME,
10>     region      VARCHAR(10),
11>     city        VARCHAR(20),
12>     managerid   INTEGER
13>  );
14>  GO
1>
2> INSERT INTO employee VALUES (1, 'Jason' ,  'Martin', 5890,'2005-03-22','North','Vancouver',3);
3> GO

(1 rows affected)
1> INSERT INTO employee VALUES (2, 'Alison',  'Mathews',4789,'2003-07-21','South','Utown',4);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (3, 'James' ,  'Smith',  6678,'2001-12-01','North','Paris',5);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (4, 'Celia' ,  'Rice',   5567,'2006-03-03','South','London',6);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (5, 'Robert',  'Black',  4467,'2004-07-02','East','Newton',7);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (6, 'Linda' ,  'Green' , 6456,'2002-05-19','East','Calgary',8);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (7, 'David' ,  'Larry',  5345,'2008-03-18','West','New York',9);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (8, 'James' ,  'Cat',    4234,'2007-07-17','West','Regina',9);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (9, 'Joan'  ,  'Act',    6123,'2001-04-16','North','Toronto',10);
2> GO

(1 rows affected)
1>
2> select * from employee;
3> GO
id          first_name last_name  salary       start_Date              region     city                 managerid
----------- ---------- ---------- ------------ ----------------------- ---------- -------------------- -----------
          1 Jason      Martin          5890.00 2005-03-22 00:00:00.000 North      Vancouver                      3
          2 Alison     Mathews         4789.00 2003-07-21 00:00:00.000 South      Utown                          4
          3 James      Smith           6678.00 2001-12-01 00:00:00.000 North      Paris                          5
          4 Celia      Rice            5567.00 2006-03-03 00:00:00.000 South      London                         6
          5 Robert     Black           4467.00 2004-07-02 00:00:00.000 East       Newton                         7
          6 Linda      Green           6456.00 2002-05-19 00:00:00.000 East       Calgary                        8
          7 David      Larry           5345.00 2008-03-18 00:00:00.000 West       New York                       9
          8 James      Cat             4234.00 2007-07-17 00:00:00.000 West       Regina                         9
          9 Joan       Act             6123.00 2001-04-16 00:00:00.000 North      Toronto                       10

(9 rows affected)
1>
2>
3>
4> CREATE PROC MyProc
5> (
6>   @ID nchar (5)
7> )
8> AS
9> SELECT TOP 1
10>    *
11>  FROM
12>    Employee
13>  WHERE
14>      ID = @ID
15>  ORDER BY
16>    Start_Date DESC
17>  GO
1>
2>
3> exec MyProc '1'
4> GO
id          first_name last_name  salary       start_Date              region     city                 managerid
----------- ---------- ---------- ------------ ----------------------- ---------- -------------------- -----------
          1 Jason      Martin          5890.00 2005-03-22 00:00:00.000 North      Vancouver                      3

(1 rows affected)
1>
2> drop procedure MyProc
3> GO
1>
2>
3> drop table employee;
4> GO








20.16.Select statement
20.16.1.Optimized procedure to select earning authors.
20.16.2.Join tables in a procedure
20.16.3.remove data based upon criteria specified through arguments.
20.16.4.Stored Procedure to Retrieve a Customer's Most Recent Order