In this list, find a stored procedure named prGetEqId, and right-click. When in .NET framework

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8. In this list, find a stored procedure named prGetEqId, and right-click. When
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you right-click an object in the Details pane, a context-sensitive menu appears with options to let you perform operations such as deleting and renaming the stored procedure or creating a new stored procedure.
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9. Select Properties on the pop-up menu. The application opens a window to
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allow you to view and edit the stored procedure (see Figure 2-14). See the sidebar The Structure of Stored Procedures for more information.
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SQL Server 2000 Stored Procedure & XML Programming
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Figure 2-13
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List of stored procedures in Enterprise Manager
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Figure 2-14
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Properties of a stored procedure
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2: The SQL Server Environment
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NOTE
Don t worry. In the following chapters, I will give you detailed descriptions of all these objects and their components.
10. Close the Properties window. 11. Right-click anywhere in the Details pane and select New Stored Procedure
from the pop-up menu. Enterprise Manager displays a Properties window with a template for the stored procedure (see Figure 2-15).
12. Replace the template with the following code:
Create procedure prHelloWorld_1 As Select 'Hello world' Select * from Inventory
13. Click the Check Syntax button to verify the syntax of the procedure. 14. Click OK. The procedure is compiled and stored in the database. You will be
able to see it in the list of stored procedures.
Figure 2-15
A template of a new stored procedure
SQL Server 2000 Stored Procedure & XML Programming
NOTE
Earlier versions of Enterprise Manager did not display the stored procedure in the list automatically. The user had to refresh the screen by right-clicking the database name and selecting Refresh from the menu. This scenario still arises on occasion. For example, if you create a stored procedure (or change something in the database) using some other tool, you will need to refresh the list in Enterprise Manager.
You can switch to Query Analyzer to run the newly created stored procedure:
1. On the Tools menu, select SQL Server Query Analyzer, switch to the Asset
database, and type the following code:
Exec prHelloWorld_1
NOTE
Query Analyzer will always open and connect to the current server when opened from within Enterprise Manager, but will not necessarily default to the current database.
2. Execute it (choose Query | Execute).
The Structure of Stored Procedures
We will pause a minute to explain the structure of a stored procedure. The prGetEqId stored procedure encapsulates a relatively simple Select statement for later use. It returns a recordset containing values from the EquipmentId column. The recordset will contain only records with the specified Make and Model. The code of a stored procedure consists of a header and a body. The header of the stored procedure defines external attributes of the stored procedure its name and a list of one or more parameters. The prGetEqId stored procedure has two parameters. Parameter names must start with the @ character. The developer must also define a data type for each parameter. The header must begin with the Create Procedure keyword and finish with the As keyword. The body of the stored procedure contains the Transact-SQL statements to be executed when the stored procedure runs. In this case, there is just one Select statement using the procedure parameters.
2: The SQL Server Environment
Editing Stored Procedures in Enterprise Manager
The easiest way to edit stored procedures is to use Enterprise Manager. You simply need to display the Properties window for the stored procedure:
1. Verify that the Stored Procedures node in the Asset database is still open in
Enterprise Manager.
2. Right-click the prHelloWorld_1 stored procedure and select Properties. The
Properties window displays the stored procedure code.
Editing Stored Procedures in Query Analyzer
Before Enterprise Manager was released in Microsoft SQL Server 6.0, administrators used isql (the ancestor of Query Analyzer) to do most of the work. It is still possible to edit stored procedures in the traditional way using Query Analyzer. Traditionally, DBAs included the code for deleting (dropping) the original stored procedure and then re-creating the stored procedure (with the changed code):
1. Launch Query Analyzer. 2. Make sure that you are in the Asset database. 3. Type the following code in the Query pane:
DROP PROCEDURE prHelloWorld_1 GO CREATE PROCEDURE prHelloWorld_1 AS SELECT 'Hello Dejan' SELECT * from Inventory RETURN 0 GO
4. Execute the code by selecting Query | Execute.
SQL Server will first delete the existing stored procedure and then re-create it (with the new code). The trouble with this method (dropping and then re-creating) is that you also drop some attributes associated with the stored procedure (such as permissions), which also affects other dependent objects. Since Microsoft SQL Server 7.0, it is possible
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