stored procedures vs user defined functions sql server

... 6 Stored Procedures, Triggers, and User- Defined Functions on DB2 Universal Database for iSeries Table 1-1 SQL terms and OS/400 terms cross-reference 1.2.2 Stored procedures, triggers, and user- defined ... UDFs  SQL stored procedures  External stored procedures and triggers  Java™ stored procedures (both Java Database Connectivity (JDBC™) and Structured Query Language for Java (SQLJ))  SQL triggers  ... signals a user- defined warning message with SQLSTATE 01HDI.  A table UDF is required to show a certain number of top preforming sales people. 20 Stored Procedures, Triggers, and User- Defined Functions...

Ngày tải lên: 17/03/2014, 00:20

... ) User Defined Functions - UDFs Nguồn : forum.t3h.vn I Khái quát về hàm do người dùng định nghĩa I.1 Hàm do người dùng định nghĩa là gì? Hàm do người dùng định nghĩa (user defined functions ... lệnh T -SQL Bạn có thể câu lệnh CREATE FUNCTION để tạo một UDFs bằng cách sử dụng tiện ích SQL Query Analyzer hoặc sử dụng công cụ dạng dấu nhắc lệnh (command-prompt) điển hình như công cụ osql. ... hạn chế sau :  Không thể gọi một stored procedure từ các câu lệnh bên trong nó.  Không thể sử dụng các hàm loại không xác định được xây dựng sẵn trong SQL Server, ví dụ: Getdate, Rand, … ...

Ngày tải lên: 22/12/2013, 00:16

... shows the results of this SELECT statement. Creating User- Defined Functions You can create your own user- defined functions in SQL Server. For example, you might want to create your own function ... userdefined functions: ã Scalar functions Scalar functions return a single value. The returned value can be of any data type except text, ntext, image, cursor, table, timestamp, and user- defined ... also create functions using Enterprise Manager. You do this by clicking the right mouse button on the User Defined Functions node in the Databases folder and selecting New User Defined Function....

Ngày tải lên: 26/01/2014, 07:20

Ngày tải lên: 23/10/2014, 14:27

Ngày tải lên: 23/10/2014, 14:27

... [ Team LiB ] Recipe 2.13 Executing SQL Server User- Defined Scalar Functions Problem Your SQL Server 2000 database includes a user- defined function that returns a scalar value. ... Solution Invoke the function as you would a query or stored procedure. The sample code, as shown in Example 2-16 , uses a single SQL Server function: ExtendedPrice Calculates and returns ... ((@UnitPrice * @Quantity) * (1 - @Discount)) END The sample code defines a SQL statement that uses the ExtendedPrice user- defined function. The statement is used by a DataAdapter to fill a DataTable...

Ngày tải lên: 21/01/2014, 11:20

... Page xv ❑ User- defined Functions (UDF) (supporting both Scalar-Valued Functions [SCF] and Table- Valued Functions [TVF]) ❑ User- defined aggregates (UDA) ❑ User- defined types (UDT) Stored procedures ... even knows their purpose. SQL Server 2005 SQL CLR support All nonportable editions of SQL Server 2005 support SQL CLR, including SQL Server Express. We also found that SQL Server 2005 Mobile does ... avail- able to SQL Server. To make it available as a SQL CLR object, you need to create a T -SQL- like face for your .NET functions. Choosing between User- Defined Functions and Stored Procedures Our...

Ngày tải lên: 05/03/2014, 20:20

... Products Greater Than: 6.8 Create and Call SQL Server 2000 User- Defined Functions In SQL Server 2000, I have heard that you can create user- defined functions (UDFs). Where would you use UDFs, ... strSQL &= " UnitPrice int" & vbCrLf strSQL &= ")" & vbCrLf strSQL &= "AS" & vbCrLf strSQL &= "BEGIN" & vbCrLf strSQL ... them from within T -SQL? Technique UDFs have been used for years in application development languages. You can now create them in SQL Server 2000 as well. Creating SQL Server 2000 UDFs You...

Ngày tải lên: 28/10/2013, 19:15

... example: mySqlCommand.Parameters.Add("@MyProductID", SqlDbType.Int); Executing SQL Server Stored Procedures In Chapter 4 , you saw how to create and execute SQL Server stored procedures ... Server stored procedures using T- SQL. You execute a stored procedure using the T -SQL EXECUTE statement. In this section, you'll see how to execute SQL Server procedures using ADO.NET. In ... call the SQL Server AddProduct() stored procedure */ using System; using System.Data; using System.Data.SqlClient; class ExecuteAddProduct { public static void Main() { SqlConnection...

Ngày tải lên: 07/11/2013, 10:15

... public static void Main() { SqlConnection mySqlConnection = new SqlConnection( " ;server= localhost;database=Northwind;uid=sa;pwd=sa" ); mySqlConnection.Open(); // step ... // property to an EXECUTE statement containing the stored // procedure call SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = "EXECUTE @MyProductID ... "@MyUnitPrice", SqlDbType.Money).Value = 5.99; mySqlCommand.Parameters.Add( "@MyUnitsInStock", SqlDbType.SmallInt).Value = 10; mySqlCommand.Parameters.Add( "@MyUnitsOnOrder", SqlDbType.SmallInt).Value...

Ngày tải lên: 07/11/2013, 10:15

Ngày tải lên: 02/08/2014, 08:21

... Recipe 9.8 Debugging a SQL Server Stored Procedure Problem Given an application that uses a SQL Server stored procedure that is causing errors, you need to debug the stored procedure. Solution ... Studio .NET to debug SQL Server stored procedures (in both standalone mode and from managed code). Discussion Debugging a stored procedure in standalone mode You can debug a stored procedure ... the database that contains the stored procedure. 4. Expand the Stored Procedures node. 5. Right-click on the stored procedure to be debugged and select Step Into Stored Procedure from the popup...

Ngày tải lên: 07/11/2013, 13:15

... Executing a SQL Server Stored Procedure By Using ActiveX Data Objects If you are doing an ADO development with client server for backends, then you probably call stored procedures. In doing ... quantity purchased of those products for a given customer. Listing A.7 Northwind SQL Server Database: T -SQL for the Stored Procedure Called CustOrdersHist ALTER PROCEDURE CustOrderHist @CustomerID ... which in this case will be the name of the stored procedure, called CustOrdersHist. You can see the T -SQL for CustOrderHist in Listing A.7. This stored procedure returns product names and the...

Ngày tải lên: 14/12/2013, 20:16

... command for the update stored procedure. SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); SqlCommand cmd = new SqlCommand( ); cmd.Connection ... [ Team LiB ] Recipe 8.11 Using a Single Stored Procedure to Update Multiple Changes to a SQL Server Database Problem You need to update a SQL Server 2000 database with changes to multiple ... information about the OpenXML command and the system stored procedures sp_xml_preparedocument and sp_xml_removedocuemnt, see Microsoft SQL Server Books Online. [ Team LiB ] MessageBox.Show("Update...

Ngày tải lên: 21/01/2014, 11:20

... to provide more complete support for window functions in SQL Server 2012 is thanks to the ef- forts of SQL Server MVPs and, more generally, the SQL Server community. It is great to see this synergy ... functions extensions in SQL Server 2012. Today, when I talk to customers about new language functionality in SQL Server 2012, I always recommend they spend extra time with the new window functions ... 1 SQL Windowing 1 CHAPTER 2 A Detailed Look at Window Functions 33 CHAPTER 3 Ordered Set Functions 81 CHAPTER 4 Optimization of Window Functions 101 CHAPTER 5 T -SQL Solutions Using Window Functions...

Ngày tải lên: 16/03/2014, 00:20

... PARTNER 2009 PARTNER 2009 26 26 1.3.2 User – Defined Stored Procedures : 1.3.2 User – Defined Stored Procedures :  ENCRYPTION : ENCRYPTION : SQL Server sẽ SQL Server sẽ mã hóa mã hóa (Encrypt) ... 2009 11 11 1.3.1 System Stored Procedures : 1.3.1 System Stored Procedures :  “ “ A set of SQL Server- supplied stored procedures that A set of SQL Server- supplied stored procedures that can be ... Transact -SQL statements stored under a name and processed as a unit. SQL Server supplies stored processed as a unit. SQL Server supplies stored procedures for managing SQL Server and displaying procedures...

Ngày tải lên: 29/03/2014, 12:20

... screen 32 SQL Server 2000 Stored Procedure & XML Programming D_Base / SQL Server 2000 Stored Procedure & XML Programming / Sunderic / 222896-2 / Chapter 2 Stored procedures are the T -SQL equivalents ... CHAPTER 2 The SQL Server Environment D_Base / SQL Server 2000 Stored Procedure & XML Programming / Sunderic / 222896-2 / 19 IN THIS CHAPTER: SQL Server 2000 Tools Basic Operations with Stored Procedures Naming ... 38 SQL Server 2000 Stored Procedure & XML Programming D_Base / SQL Server 2000 Stored Procedure & XML Programming / Sunderic / 222896-2 / Chapter 2 Figure 2-13 List of stored procedures...

Ngày tải lên: 10/04/2014, 09:42

Ngày tải lên: 13/08/2014, 08:20

Ngày tải lên: 13/08/2014, 08:20

Ngày tải lên: 13/08/2014, 08:20