SQL Server/T-SQL Tutorial/Procedure Function/Procedure — различия между версиями
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Версия 13:46, 26 мая 2010
Содержание
- 1 calls the procedure
- 2 Declare a variable in a procedure
- 3 Encrypting a Stored Procedure
- 4 Filtering for Null Values with a Stored Procedure
- 5 Managing a Transaction Inside a Stored Procedure
- 6 PRINT information out of a PROCEDURE
- 7 Procedure as a view
- 8 Return a value out of a procedure
- 9 Returning Values from a View as Stored Procedure Output Parameters
- 10 Stored Procedures as Parameterized Views
calls the procedure
10> create table Billings (
11> BankerID INTEGER,
12> BillingNumber INTEGER,
13> BillingDate datetime,
14> BillingTotal INTEGER,
15> TermsID INTEGER,
16> BillingDueDate datetime ,
17> PaymentTotal INTEGER,
18> CreditTotal INTEGER
19>
20> );
21> GO
1>
2> INSERT INTO Billings VALUES (1, 1, "2005-01-22", 165, 1,"2005-04-22",123,321);
3> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (2, 2, "2001-02-21", 165, 1,"2002-02-22",123,321.);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (3, 3, "2003-05-02", 165, 1,"2005-04-12",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (4, 4, "1999-03-12", 165, 1,"2005-04-18",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (5, 5, "2000-04-23", 165, 1,"2005-04-17",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (6, 6, "2001-06-14", 165, 1,"2005-04-18",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (7, 7, "2002-07-15", 165, 1,"2005-04-19",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (8, 8, "2003-08-16", 165, 1,"2005-04-20",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (9, 9, "2004-09-17", 165, 1,"2005-04-21",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (0, 0, "2005-10-18", 165, 1,"2005-04-22",123,321);
2> GO
(1 rows affected)
1>
2>
3> CREATE PROC spInsertBilling
4> @BankerID int, @BillingNumber varchar(50),
5> @BillingDate smalldatetime, @BillingTotal money,
6> @TermsID int, @BillingDueDate smalldatetime
7> AS
8> IF EXISTS(SELECT * FROM Billings WHERE BankerID = @BankerID)
9> BEGIN
10> INSERT Billings (BankerID)
11> VALUES (@BankerID)
12> END
13> ELSE
14> BEGIN
15> RAISERROR("Not a valid BankerID!",1,1)
16> RETURN -100
17> END
18> GO
1>
2>
3> DECLARE @ReturnVar int
4> EXEC @ReturnVar = spInsertBilling
5> 799,"ZXK-799","2002-07-01",299.95,1,"2001-08-01"
6> PRINT "Return code was: " + CONVERT(varchar,@ReturnVar)
7> GO
Not a valid BankerID!
Return code was: -100
1>
2> drop PROC spInsertBilling;
3> GO
1>
2>
3> drop table Billings;
4> GO
1>
Declare a variable in a procedure
4> CREATE TABLE Product(
5> ProductID int NOT NULL,
6> Name nvarchar(25) NOT NULL,
7> ProductNumber nvarchar(25) ,
8> Color nvarchar(15) NULL,
9> StandardCost money NOT NULL,
10> Size nvarchar(5) NULL,
11> Weight decimal(8, 2) NULL,
12> ProductLine nchar(20) NULL,
13> SellStartDate datetime NOT NULL,
14> SellEndDate datetime NULL
15> )
16> GO
1> insert into Product values(1,"Product A", "1","Red",123.123,"1",1,"ProductLine A","1999-03-22","2000-03-22");
2> GO
(1 rows affected)
1>
2>
3> insert into Product values(2,"Product B", "2","Yellow",234.234,"1",3,"ProductLine B","2000-03-22","2001-03-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(3,"Product C", "3","Pink",345.345,"1",3,"ProductLine V","2001-09-22","2006-02-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(4,"Product D", "4","White",456.456,"1",4,"ProductLine D","2002-08-22","2006-03-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(5,"Product E", "5","Black",567.567,"1",5,"ProductLine E","2003-01-22","2003-04-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(6,"Product F", "6","Blue",678.678,"1",6,"ProductLine W","2004-02-22","2005-05-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(7,"Product G", "7","Drak",789.789,"1",7,"ProductLine Q","2005-03-22","2006-03-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(8,"Product H", "8","Gray",234.123,"1",8,"ProductLine F","2006-04-22","2006-09-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(9,"Product I", "9","Red",543.123,"1",9,"ProductLine R","2007-05-22","2008-03-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(0,"Product J", "0","Gold",765.123,"1",0,"ProductLine J","2008-06-22","2009-03-22");
4> GO
(1 rows affected)
1>
2>
3>
4>
5> CREATE PROCEDURE spProductCountBySubCategory
6> @SubID Int
7> AS
8> DECLARE @Out Int
9> SELECT @Out = Count(*)
10> FROM Product
11> WHERE ProductID = @SubID
12> RETURN @Out
13> GO
1>
2>
3>
4>
5> drop PROCEDURE spProductCountBySubCategory;
6> GO
1>
2>
3> drop table Product;
4> GO
1>
Encrypting a Stored Procedure
4>
5> CREATE TABLE employee(
6> id INTEGER NOT NULL PRIMARY KEY,
7> first_name VARCHAR(10),
8> last_name VARCHAR(10),
9> salary DECIMAL(10,2),
10> start_Date DATETIME,
11> region VARCHAR(10),
12> city VARCHAR(20),
13> managerid INTEGER
14> );
15> GO
1> INSERT INTO employee VALUES (1, "Jason" , "Martin", 5890,"2005-03-22","North","Vancouver",3);
2> GO
1> INSERT INTO employee VALUES (2, "Alison", "Mathews",4789,"2003-07-21","South","Utown",4);
2> GO
1> INSERT INTO employee VALUES (3, "James" , "Smith", 6678,"2001-12-01","North","Paris",5);
2> GO
1> INSERT INTO employee VALUES (4, "Celia" , "Rice", 5567,"2006-03-03","South","London",6);
2> GO
1> INSERT INTO employee VALUES (5, "Robert", "Black", 4467,"2004-07-02","East","Newton",7);
2> GO
1> INSERT INTO employee VALUES (6, "Linda" , "Green" , 6456,"2002-05-19","East","Calgary",8);
2> GO
1> INSERT INTO employee VALUES (7, "David" , "Larry", 5345,"2008-03-18","West","New York",9);
2> GO
1> INSERT INTO employee VALUES (8, "James" , "Cat", 4234,"2007-07-17","West","Regina",9);
2> GO
1> INSERT INTO employee VALUES (9, "Joan" , "Act", 6123,"2001-04-16","North","Toronto",10);
2> GO
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
1>
2>
3> CREATE PROCEDURE usp_employee
4> WITH ENCRYPTION
5> AS
6> SELECT ID, first_name
7> FROM employee
8> GO
1>
2> exec usp_employee
3> GO
ID first_name
----------- ----------
1 Jason
2 Alison
3 James
4 Celia
5 Robert
6 Linda
7 David
8 James
9 Joan
1>
2> drop procedure usp_employee
3> GO
1>
2> drop table employee;
3> GO
Filtering for Null Values with a Stored Procedure
4>
5> create table Bankers(
6> BankerID Integer,
7> BankerName VARCHAR(20),
8> BankerContactLName VARCHAR(20),
9> BankerContactFName VARCHAR(20),
10> BankerCity VARCHAR(20),
11> BankerState VARCHAR(20),
12> BankerZipCode VARCHAR(20),
13> BankerPhone VARCHAR(20)
14> )
15> GO
1>
2> insert into Bankers values (1, "ABC Inc.","Joe","Smith","Vancouver","BC","11111","111-111-1111");
3> GO
(1 rows affected)
1> insert into Bankers values (2, "DEF Inc.","Red","Rice", "New York", "DE","22222","222-222-2222");
2> GO
(1 rows affected)
1> insert into Bankers values (3, "HJI Inc.","Kit","Cat", "Paris", "CA","33333","333-333-3333");
2> GO
(1 rows affected)
1> insert into Bankers values (4, "QWE Inc.","Git","Black","Regina", "ER","44444","444-444-4444");
2> GO
(1 rows affected)
1> insert into Bankers values (5, "RTY Inc.","Wil","Lee", "Toronto", "YU","55555","555-555-5555");
2> GO
(1 rows affected)
1> insert into Bankers values (6, "YUI Inc.","Ted","Larry","Calgary", "TY","66666","666-666-6666");
2> GO
(1 rows affected)
1> insert into Bankers values (7, "OIP Inc.","Yam","Act", "San Franc","FG","77777","777-777-7777");
2> GO
(1 rows affected)
1> insert into Bankers values (8, "SAD Inc.","Hit","Eat", "Orland", "PO","88888","888-888-8888");
2> GO
(1 rows affected)
1> insert into Bankers values (9, "DFG Inc.","Sad","Lee", "Wisler", "PL","99999","999-999-9999");
2> GO
(1 rows affected)
1> insert into Bankers values (0, "GHJ Inc.","Bit","Lee", "Ticker", "MN","00000","000-000-0000");
2> GO
(1 rows affected)
1>
2>
3> CREATE PROCEDURE usp_SalesPersonInATerritoryOrNot
4> @TID int = NULL
5> AS
6> IF @TID IS NOT NULL
7> SELECT BankerName
8> FROM Bankers
9> WHERE BankerID = @TID
10> ELSE
11> SELECT BankerName
12> FROM Bankers
13> WHERE BankerID IS NULL
14> GO
1>
2> EXEC usp_SalesPersonInATerritoryOrNot 1
3> GO
BankerName
--------------------
ABC Inc.
(1 rows affected)
1> EXEC usp_SalesPersonInATerritoryOrNot NULL
2> GO
BankerName
--------------------
(0 rows affected)
1> EXEC usp_SalesPersonInATerritoryOrNot
2> GO
BankerName
--------------------
(0 rows affected)
1>
2> drop PROCEDURE usp_SalesPersonInATerritoryOrNot;
3> GO
1>
2> drop table Bankers;
3> GO
1>
Managing a Transaction Inside a Stored Procedure
11> CREATE PROC usp_MyProc
12> AS
13> DECLARE
14> @TranCount int
15> SET
16> @TranCount = @@TRANCOUNT
17> IF @TranCount > 0
18> SAVE TRAN usp_MyProc -- No existing transaction
19> ELSE
20> BEGIN TRAN usp_MyProc -- Transaction in progress
21> --do work here ...
22> IF @@ERROR > 0
23> BEGIN -- Failure
24> RAISERROR ("usp_MyProc - Bailing out. ", 16, 1)
25> ROLLBACK TRAN usp_MyProc
26> RETURN
27> END
28> ELSE IF @Trancount = 0 -- Started our own transaction
29> COMMIT TRAN usp_MyProc -- Success
30> GO
1>
2> drop procedure usp_MyProc
3> GO
PRINT information out of a PROCEDURE
1> CREATE TABLE Orders (
2> OrderID int NOT NULL ,
3> CustomerID nchar (5) NULL ,
4> EmployeeID int NULL ,
5> OrderDate datetime NULL ,
6> RequiredDate datetime NULL ,
7> ShippedDate datetime NULL ,
8> ShipVia int NULL ,
9> Freight money NULL DEFAULT (0),
10> ShipName nvarchar (40) NULL ,
11> ShipAddress nvarchar (60) NULL ,
12> ShipCity nvarchar (15) NULL ,
13> ShipRegion nvarchar (15) NULL ,
14> ShipPostalCode nvarchar (10) NULL ,
15> ShipCountry nvarchar (15) NULL
16> )
17> GO
1>
2>
3> INSERT INTO Orders VALUES (10248,"1",5,"7/4/1996","8/1/2001","7/16/2001",3,32.38,"V","A","R", NULL,N"51100","France")
9> go
1>
2>
3> create PROCEDURE spCursorScope
4> AS
5> DECLARE @Counter int,
6> @OrderID int,
7> @CustomerID varchar(5)
8> DECLARE CursorTest cursor
9> LOCAL
10> FOR
11> SELECT OrderID, CustomerID
12> FROM Orders
13>
14> SELECT @Counter = 1
15> OPEN CursorTest
16> FETCH NEXT FROM CursorTest INTO @OrderID, @CustomerID
17> PRINT "Row " + CONVERT(varchar,@Counter) + " has an OrderID of " +
18> CONVERT(varchar,@OrderID) + " and a CustomerID of " + @CustomerID
19>
20> WHILE (@Counter<=5) AND (@@FETCH_STATUS=0)
21> BEGIN
22> SELECT @Counter = @Counter + 1
23> FETCH NEXT FROM CursorTest INTO @OrderID, @CustomerID
24> PRINT "Row " + CONVERT(varchar,@Counter) + " has an OrderID of " +
25> CONVERT(varchar,@OrderID) + " and a CustomerID of " + @CustomerID
26> END
27> GO
1>
2> drop PROCEDURE spCursorScope;
3> GO
1>
2> drop table Orders;
3> GO
Procedure as a view
6> CREATE TABLE Shippers (
7> ShipperID int NOT NULL ,
8> CompanyName nvarchar (40) NOT NULL ,
9> Phone nvarchar (24) NULL
10> )
11> GO
1>
2>
3> INSERT Shippers VALUES(1,"Express","(503) 555-9831")
4> INSERT Shippers VALUES(2,"Package","(503) 555-3199")
5> INSERT Shippers VALUES(3,"Shipping","(503) 555-9931")
6> go
(1 rows affected)
(1 rows affected)
(1 rows affected)
1> CREATE PROC spShippers
2> AS
3> SELECT * FROM Shippers
4> GO
1> EXEC spShippers
2> GO
ShipperID CompanyName Phone
----------- ---------------------------------------- ------------------------
1 Express (503) 555-9831
2 Package (503) 555-3199
3 Shipping (503) 555-9931
(3 rows affected)
1> drop PROC spShippers;
2> GO
1>
2> drop table Shippers;
3> GO
Return a value out of a procedure
3>
4>
5>
6> CREATE TABLE Product(
7> ProductID int NOT NULL,
8> Name nvarchar(25) NOT NULL,
9> ProductNumber nvarchar(25) ,
10> Color nvarchar(15) NULL,
11> StandardCost money NOT NULL,
12> Size nvarchar(5) NULL,
13> Weight decimal(8, 2) NULL,
14> ProductLine nchar(20) NULL,
15> SellStartDate datetime NOT NULL,
16> SellEndDate datetime NULL
17> )
18> GO
1> insert into Product values(1,"Product A", "1","Red",123.123,"1",1,"ProductLine A","1999-03-22","2000-03-22");
2> GO
(1 rows affected)
1> insert into Product values(2,"Product B", "2","Yellow",234.234,"1",3,"ProductLine B","2000-03-22","2001-03-22");
2> GO
(1 rows affected)
1> insert into Product values(3,"Product C", "3","Pink",345.345,"1",3,"ProductLine V","2001-09-22","2006-02-22");
2> GO
(1 rows affected)
1> insert into Product values(4,"Product D", "4","White",456.456,"1",4,"ProductLine D","2002-08-22","2006-03-22");
2> GO
(1 rows affected)
1> insert into Product values(5,"Product E", "5","Black",567.567,"1",5,"ProductLine E","2003-01-22","2003-04-22");
2> GO
(1 rows affected)
1> insert into Product values(6,"Product F", "6","Blue",678.678,"1",6,"ProductLine W","2004-02-22","2005-05-22");
2> GO
(1 rows affected)
1> insert into Product values(7,"Product G", "7","Drak",789.789,"1",7,"ProductLine Q","2005-03-22","2006-03-22");
2> GO
(1 rows affected)
1> insert into Product values(8,"Product H", "8","Gray",234.123,"1",8,"ProductLine F","2006-04-22","2006-09-22");
2> GO
(1 rows affected)
1> insert into Product values(9,"Product I", "9","Red",543.123,"1",9,"ProductLine R","2007-05-22","2008-03-22");
2> GO
(1 rows affected)
1> insert into Product values(0,"Product J", "0","Gold",765.123,"1",0,"ProductLine J","2008-06-22","2009-03-22");
2> GO
(1 rows affected)
1>
2>
3> CREATE PROCEDURE spProductCountBySubCategory
4> @SubID Int
5> AS
6> DECLARE @Out Int
7> SELECT @Out = Count(*)
8> FROM Product
9> WHERE ProductID = @SubID
10> RETURN @Out
11> GO
1>
2>
3>
4>
5> drop PROCEDURE spProductCountBySubCategory;
6> GO
1>
2>
3> drop table Product;
4> GO
1>
Returning Values from a View as Stored Procedure Output Parameters
4> create table Billings (
5> BankerID INTEGER,
6> BillingNumber INTEGER,
7> BillingDate datetime,
8> BillingTotal INTEGER,
9> TermsID INTEGER,
10> BillingDueDate datetime ,
11> PaymentTotal INTEGER,
12> CreditTotal INTEGER
13>
14> );
15> GO
1>
2> INSERT INTO Billings VALUES (1, 1, "2005-01-22", 165, 1,"2005-04-22",123,321);
3> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (2, 2, "2001-02-21", 165, 1,"2002-02-22",123,321.);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (3, 3, "2003-05-02", 165, 1,"2005-04-12",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (4, 4, "1999-03-12", 165, 1,"2005-04-18",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (5, 5, "2000-04-23", 165, 1,"2005-04-17",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (6, 6, "2001-06-14", 165, 1,"2005-04-18",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (7, 7, "2002-07-15", 165, 1,"2005-04-19",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (8, 8, "2003-08-16", 165, 1,"2005-04-20",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (9, 9, "2004-09-17", 165, 1,"2005-04-21",123,321);
2> GO
(1 rows affected)
1> INSERT INTO Billings VALUES (0, 0, "2005-10-18", 165, 1,"2005-04-22",123,321);
2> GO
(1 rows affected)
1>
2>
3>
4> CREATE PROCEDURE usp_MinMaxSubTotal
5> @minSubTotal money OUTPUT,
6> @maxSubTotal money OUTPUT
7> AS
8> SET @minSubTotal =
9> (SELECT TOP 1 BillingTotal
10> FROM Billings ORDER BY BillingTotal)
11> SET @maxSubTotal =
12> (SELECT TOP 1 BillingTotal
13> FROM Billings ORDER BY BillingTotal DESC)
14> GO
1>
2> DECLARE @lclmin money, @lclmax money
3> EXEC usp_MinMaxSubTotal @minSubTotal = @lclmin OUTPUT,
4> @maxSubTotal = @lclmax OUTPUT
5> SELECT @lclmin "Min. SubTotal", @lclmax "Max. SubTotal"
6> GO
Min. SubTotal Max. SubTotal
--------------------- ---------------------
165.0000 165.0000
(1 rows affected)
1>
2> drop PROCEDURE usp_MinMaxSubTotal ;
3> GO
1>
2>
3> drop table Billings;
4> GO
Stored Procedures as Parameterized Views
3>
4>
5>
6> CREATE TABLE Product(
7> ProductID int NOT NULL,
8> Name nvarchar(25) NOT NULL,
9> ProductNumber nvarchar(25) ,
10> Color nvarchar(15) NULL,
11> StandardCost money NOT NULL,
12> Size nvarchar(5) NULL,
13> Weight decimal(8, 2) NULL,
14> ProductLine nchar(20) NULL,
15> SellStartDate datetime NOT NULL,
16> SellEndDate datetime NULL
17> )
18> GO
1> insert into Product values(1,"Product A", "1","Red",123.123,"1",1,"ProductLine A","1999-03-22","2000-03-22");
2> GO
(1 rows affected)
1>
2>
3> insert into Product values(2,"Product B", "2","Yellow",234.234,"1",3,"ProductLine B","2000-03-22","2001-03-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(3,"Product C", "3","Pink",345.345,"1",3,"ProductLine V","2001-09-22","2006-02-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(4,"Product D", "4","White",456.456,"1",4,"ProductLine D","2002-08-22","2006-03-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(5,"Product E", "5","Black",567.567,"1",5,"ProductLine E","2003-01-22","2003-04-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(6,"Product F", "6","Blue",678.678,"1",6,"ProductLine W","2004-02-22","2005-05-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(7,"Product G", "7","Drak",789.789,"1",7,"ProductLine Q","2005-03-22","2006-03-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(8,"Product H", "8","Gray",234.123,"1",8,"ProductLine F","2006-04-22","2006-09-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(9,"Product I", "9","Red",543.123,"1",9,"ProductLine R","2007-05-22","2008-03-22");
4> GO
(1 rows affected)
1>
2>
3> insert into Product values(0,"Product J", "0","Gold",765.123,"1",0,"ProductLine J","2008-06-22","2009-03-22");
4> GO
(1 rows affected)
1>
2>
3>
4>
5>
6> CREATE VIEW vProductCosts
7> AS
8> SELECT ProductID, Name, ProductNumber, StandardCost
9> FROM Product
10> GO
1>
2> CREATE PROCEDURE spProductCosts
3> AS
4> SELECT ProductID, Name, ProductNumber, StandardCost
5> FROM Product
6> GO
1>
2> EXECUTE spProductCosts
3> GO
ProductID Name ProductNumber StandardCost
----------- ------------------------- ------------------------- ---------------------
1 Product A 1 123.1230
2 Product B 2 234.2340
3 Product C 3 345.3450
4 Product D 4 456.4560
5 Product E 5 567.5670
6 Product F 6 678.6780
7 Product G 7 789.7890
8 Product H 8 234.1230
9 Product I 9 543.1230
0 Product J 0 765.1230
(10 rows affected)
1>
2> drop PROCEDURE spProductCosts;
3> GO
1>
2> drop VIEW vProductCosts;
3> GO
1>
2> drop table Product;
3> GO