Hướng dẫn học Microsoft SQL Server 2008 part 141 potx

... transaction and updates the Department table: Transaction 1 USE AdventureWorks2008; BEGIN TRANSACTION; UPDATE HumanResources.Department SET Name = ‘New Name’ WHERE DepartmentID = 1; Transaction ... compatible they are with each other, are documented in BOL. SQL Server s default transaction isolation is read committed, meaning that SQL Server ensures that only committed data i s read....

Ngày tải lên: 04/07/2014, 09:20

... world of SQL Server. The top level of the tree lists the connected servers. Object Explorer can connect to a server regardless of whether the server is known by Registered Servers. The server icon ... side. Registered Servers Registered Servers is an optional feature. If you manage only one or a few SQL Servers, then Registered Servers offers little benefit. If, however, you are res...

Ngày tải lên: 04/07/2014, 09:20

... types: DateTime and DateTime2. DateTime2 is new to SQL Server 2008 and represents time to a much finer granularity: within 100 nanoseconds. ■ DatePart(date portion, date): Returns the ordinal number ... the complete date, only the date part being extracted: select DATEDIFF(year,’september 4 2008 ,’november 10 2009’) Result 1 select DATEDIFF(month,’september 4 2008 ,’november 10 2009’...

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... ProductCategoryID FROM dbo.ProductCategory Where ProductCategoryName = ‘Kite’); To execute this query, SQL Server first evaluates the subquery and returns a value to the outer query (your unique identifier ... Practice S QL is very flexible — there are often a dozen ways to express the same question. Your choice of SQL method should be made first according to your style and to which method...

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... rows, then SQL Server will execute the logical equivalent of 101 queries — one for the outer query, and one subquery for every row returned by the outer query. In practice, the SQL Server Query ... 4 8 Melanie Campbell 3 12 Alysia Halloway 3 20 Grace Halloway 2 Row constructors New for SQL Server 2008, row constructors provide a convenient way to supply hard-coded values direct...

Ngày tải lên: 04/07/2014, 09:20

... - 07/23/2009 8:26pm Page 536 Part IV Developing with SQL Server Using uniqueidentifier surrogate primary keys The uniqueidentifier data type is SQL Server s counterpart to .NET’s globally unique ... NONCLUSTERED, 541 www.getcoolebook.com Nielsen c20.tex V4 - 07/23/2009 8:26pm Page 538 Part IV Developing with SQL Server Declarative referential integrity SQL Server s declarativ...

Ngày tải lên: 04/07/2014, 09:20

... 658 Part IV Developing with SQL Server What’s New with DDL Triggers I ntroduced in SQL Server 2005, DDL triggers were extended to include logon triggers with SQL Server 2005 SP2. For SQL Server 2008, ... The first DDL trigger handles all server- level events: CREATE TRIGGER DDL _Server_ Level_Sample ON ALL SERVER FOR DDL _SERVER_ LEVEL_EVENTS AS Set NoCount ON Print ‘DDL...

Ngày tải lên: 04/07/2014, 09:20

... working its way down? One might assume that, but that is not how a query is processed in SQL Server at all. SQL Server logi- cally processes a query in the order indicated here by the number in parentheses: (8) ... ‘‘leapfrogged’’ over C. Those familiar with Microsoft s ORM history know that LINQ to SQL is not Microsoft s first endeavor at object-relational mapping. The roots of LI...

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... Access is submitting to SQL Server: SQL Server Profiler and ODBC Trace. SQL Server Profiler is indispensable for understanding the interaction between your Access front end and SQL Server. Selecting ... interacts with SQL Server — and how to work with SQL Server Profiler and ODBC Trace — is contained in the white paper ‘‘Optimizing Microsoft Office Access Applications Link...

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... 1 IMultipartNameFacet 1 1 1 1 INameFacet 1 1 0 0 Index 1 1 0 0 IServerAuditFacet 1 1 0 0 IServerConfigurationFacet 1 1 1 0 IServerInformation 1 1 0 0 IServerPerformanceFacet 1 1 0 0 IServerSecurityFacet ... column to display the policy health of any object. PBM requires SQL Agent to be running on the central monitoring server. Be sure that the SQL Agent service is set to start automatica...

Ngày tải lên: 04/07/2014, 09:20