Hướng dẫn học Microsoft SQL Server 2008 part 49 docx

... associated. With typed XML, SQL Server has better knowledge of the XML document (structure, data types, and so on) and can generate a more optimized query plan. Because SQL Server has complete knowledge ... section. Declaring and using XML variables Just like other SQL Server native data types, XML variables can be created and used in T -SQL batches, stored procedures, functions,...

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... with SQL Server 142 SQL Server Management Objects 142 ADO.NET 147 Scripting SQL Server Tasks 150 Administrative tasks 150 Data-based tasks 159 SQL Server PowerShell Extensions 161 SQLPS.exe ... the wizard 494 Creating a catalog with T -SQL code 496 Pushing data to the full-text index 496 Maintaining a catalog with Management Studio 497 Maintaining a catalog...

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... 1126 Planning SQL Server 2008 failover clustering 1127 SQL Server 2008 prerequisites 1130 Creating a single-node SQL Server 2008 failover cluster 1131 Adding a node to an existing SQL Server 2008 failover ... 1119 How SQL Server 2008 failover clustering works 1122 SQL Server 2008 failover clustering topologies 1123 Enhancements in SQL Server 2008...

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... be settled prior to the SQL Server installation. Not every SQL Server 2008 server will be a fresh installation. SQL Server 2000 and SQL Server 2005 servers can be upgraded to SQL Server 2008. Additionally, thedatamightresideinaforeigndatabase, ... components. TABLE 4-4 Shared SQL Server Services Service Shared Instance Specific? SQL Browser Yes SQL Server Act...

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... Control SQL Server Agent jobs ■ Job Activity Monitor: View job activity ■ Alerts: Configure SQL Server Agent alerts ■ Operators: Set up SQL Server Agent operators ■ Proxies: Manage SQL Server Agent ... forget that with SQL Server 2008, you can now open a new query connected to multiple servers using the Registered Server s server group context menu. In some extreme case...

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... SMO to automate SQL Server administration Using PowerShell to extract SQL Server data New SQL Server 2008 PowerShell features P owerShell is the new scripting environment for the Microsoft Windows platform. ... Settings\{user}\Application Data \Microsoft\ Microsoft SQL Server\ 100\Tools\Shell\Templates\ There’s more to saving templates than meets the eye. A common copy is...

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... a server (using Windows Authentication) by issu- ing the following command: $sqlsvr = new-object ( Microsoft. SqlServer.Management .Smo .Server ) ‘MyServer’ The $sqlsvr variable now contains a Server ... a programmatic way to manage Microsoft SQL. SMO can be used to manage SQL Server 2000, 2005, and 2008. It was introduced with SQL Server 2005, but supports the management of...

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... that are of interest. For these situations, SQL Server includes several ways to filter the results and find the top rows. As mentioned earlier, SQL Server will return all the rows from the SELECT ... is that ROWCOUNT isn’t portable either, and it’s been deprecated for INSERT, UPDATE,andDELETE in SQL Server 2008. Selecting a random row There are times when a single random row is ne...

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... guarantee sorted results is to define the ORDER BY clause in the executing query. SQL Server 2000, and some service packs of SQL Server 2005, had a bug (yes, I call it a bug) in the Query Optimizer that ... on several factors: ■ Views are often used by power users who submit ad hoc SQL. In earlier versions of SQL Server, ad hoc SQL didn’t perform as well as stored procedures. ■ V...

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... extra quotes. SQL Server is particular about implicit, or automatic, data-type conversion. Conversions that function automatically in other programming languages often fail in SQL Server, as shown in ... database-assigned primary key. SQL Server provides four methods for determining the identity value: ■ @@IDENTITY: This venerable global variable returns the last identity value gen...

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