using index hint in sql server query

Ngày tải lên: 26/01/2014, 11:20

... settings for handling of date and time data Locking Alters current session settings for handling SQL Server locking Miscellaneous Alters current session settings for miscellaneous SQL Server ... functionality Query Execution Alters current session settings for query execution and processing SQL- 92 Settings Alters current session settings for using SQL- 92 default settings Statistics ... (from the Query Execution category) is ON, SQL Server returns a result set containing detailed information about how the SQL statements are going to be executed rather than actually executing the...

Ngày tải lên: 28/10/2013, 18:15

Ngày tải lên: 21/01/2014, 11:20

Ngày tải lên: 26/01/2014, 10:20

Ngày tải lên: 07/03/2014, 18:20

Ngày tải lên: 14/03/2014, 19:20

Ngày tải lên: 28/04/2014, 17:09

Ngày tải lên: 27/06/2014, 12:20

... Constraint in the Orders table. c. Apply the Check Constraint to the DateProcessed column so that the date is within ‘1970-01-01’ – ‘2005-01-01’ and try to insert invalid data to see if SQL rejects. ... 7. Using Union to merge the two data set from Orders and ProcessedOrders into one data set. (use QA) 8. Apply Constraints (use EP or QA) a.Apply the Primary Constraint to the “ID” column in ... DateProcessed is earlier than ‘2002-10-05’. (use QA) 5. Using “Insert Into Select” statement to get the top 1 record from “Orders” table and insert into the “ProcessedOrders” (use QA) 6. Delete a...

Ngày tải lên: 31/08/2012, 16:33

... Constraint in the Orders table. c. Apply the Check Constraint to the DateProcessed column so that the date is within ‘1970-01-01’ – ‘2005-01-01’ and try to insert invalid data to see if SQL rejects. d. ... QA) 7. Using Union to merge the two data set from Orders and ProcessedOrders into one data set. (use QA) 8. Apply Constraints (use EP or QA) a.Apply the Primary Constraint to the “ID” column in ... DateProcessed is earlier than ‘2002-10-05’. (use QA) 5. Using “Insert Into Select” statement to get the top 1 record from “Orders” table and insert into the “ProcessedOrders” (use QA) 6. Delete a record...

Ngày tải lên: 01/09/2012, 10:24

... to SQL Server 2000 or install SQL Server 2000 along side 6.5 or 7.0 - SQL Server 6.5 and 7.0 can be upgraded directly to SQL Server 2000 - SQL Server 2000 can be installed as the default instance ... a SQL Server instance Learn SQL Server 2000 in 15 Minutes a Week: Basic Installation Part 2 by Michael Aubert www.2000trainers.com Welcome to the second article in my series SQL Server Administration ... Computer – Installs SQL Server onto a remote computer on the network Virtual Server – Used for installing SQL Server onto a Server Cluster In this article we will look at an installation of SQL Server...

Ngày tải lên: 17/10/2013, 09:15

... is shown in Example 6-39 . Example 6-39. File: UsingLockingHintsForPessimisticLockingForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Data; ... determines correct locking; hints should be used only when necessary. Locking hints override the current transaction isolation level for the session. A locking hint is specified following the ... according to their function. Table 6-21. SQL Server locking hints for isolation level Locking hint Description HOLDLOCK Hold a shared lock until the transaction is completed instead of releasing...

Ngày tải lên: 17/10/2013, 20:15

... The example in this section uses a stored procedure named AddCustomersXml() to read the XML data containing details of two customers using OPENXML() and to insert two new rows into the Customers ... document from memory EXECUTE sp_xml_removedocument @XmlDocumentId Using the SQL Server OPENXML() Function SQL Server contains a function named OPENXML() that allows you to read XML data as ... then insert those rows into a table. In this section, you'll explore the syntax of OPENXML(). You'll also see an example that reads XML data containing details of two customers using...

Ngày tải lên: 24/10/2013, 12:15

... table. Listing 16.14: CUSTOMERSUSINGSTYLESHEET.XML <?xml version="1.0"?> Figure 16.16: Running the CustomersUsing-Stylesheet .xml file Accessing SQL Server Using HTTP ... you can access SQL Server using HTTP, you'll need to configure SQL XML support for IIS (Internet Information Server) . Configuring SQL XML Support for IIS To configure SQL XML support ... 16.14: Running a stored procedure Running SQL Statements Using an XML Template You can also execute SQL statements using an XML template, which is just an XML file containing your embedded SQL statement....

Ngày tải lên: 28/10/2013, 19:15

... MYSQLCONNECTION.CS /* MySqlConnection.cs illustrates how to use a SqlConnection object to connect to a SQL Server database */ using System; using System.Data; using System.Data.SqlClient; ... using System; using System.Data; using System.Data.SqlClient; class ConnectionPooling { public static void Main() { // create a SqlConnection object to connect ... connectionString in this section. Assuming you've imported the System.Data.SqlClient namespace, you can create a new SqlConnection object using the following statement: SqlConnection mySqlConnection...

Ngày tải lên: 07/11/2013, 10:15

... and error messages using the SQL Server PRINT or RAISERROR statements, which are described in Chapter 4 , "Introduction to Transact- SQL Programming." The following InfoMessageHandler() ... Console.WriteLine("Calling mySqlConnection.Open()"); mySqlConnection.Open(); // close mySqlConnection, causing the State to change from Open // to Closed Console.WriteLine("Calling ... illustrates how to use the StateChange event */ using System; using System.Data; using System.Data.SqlClient; class StateChange { // define the StateChangeHandler() method to handle the...

Ngày tải lên: 14/12/2013, 13:15

... start and stop SQL Server using the Service Manager and use the Enterprise Manager to administer SQL Server. Starting and Stopping SQL Server To start and stop SQL Server, you use the Service ... Northwind database. Using SQL Server In this section, you'll explore some of the tools you use to manage SQL Server. Specifically, you'll learn how to start and stop SQL Server ... automatically start SQL Server when the operating system (OS) starts. Once you've started SQL Server, other programs can access the databases managed by that SQL Server installation. Using Enterprise...

Ngày tải lên: 14/12/2013, 13:15

... determines correct locking; hints should be used only when necessary. Locking hints override the current transaction isolation level for the session. A locking hint is specified following the ... according to their function. Table 6-21. SQL Server locking hints for isolation level Locking hint Description HOLDLOCK Hold a shared lock until the transaction is completed instead of releasing ... preventing other users from reading or updating the table. By default, the lock is held until the end of the statement. Table 6-23. SQL Server Locking Hints for Other Functions Locking hint...

Ngày tải lên: 14/12/2013, 18:16

... 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 so, ... CustOrderHist in Listing A.7. This stored procedure returns product names and the total quantity purchased of those products for a given customer. Listing A.7 Northwind SQL Server Database: T -SQL for ... specified in CustOrdersHist, called CustomerID. You can see the actual code for this routine, called UseAStoredProcedureWithAParameter, in Listing A.8. Listing A.8 basCommandExamples.vb: Calling...

Ngày tải lên: 14/12/2013, 20:16

... is contained in a T -SQL script named ForXmlRaw .sql, which is located in the sql directory for this chapter. You can load the ForXmlRaw .sql T -SQL script into Query Analyzer by selecting File ... selecting Query ➣ Execute, or by pressing the F5 key. Figure 16.1 shows the result of running the script in Query Analyzer. You'll notice that the XML is shown on one line, and that the line ... Using the SQL Server FOR XML Clause With a standard SQL SELECT statement, you submit your SELECT statement to the database for execution and get results back in the form of rows. SQL Server...

Ngày tải lên: 14/12/2013, 22:15