Tài liệu Expert SQL Server 2008 Development- P5 pptx

... CHAPTER 8  DYNAMIC T -SQL Now consider the following T -SQL, which queries the HumanResources.Employee table from the AdventureWorks2008 database:  Note As of SQL Server 2008, SQL Server no longer ... SQL Server Management Studio. • Dynamic SQL, on the other hand, is a batch of SQL that is generated within T -SQL and executed using the EXECUTE statement or, preferably...

Ngày tải lên: 24/12/2013, 02:18

... spatial queries are not always accurate, which means that SQL Server 2008 does not always pick the optimal plan for a query. SQL Server 2008 SP1 improves the situation, but there are still occasions ... thorough introduction to spatial data in SQL Server, I recommend reading Beginning Spatial with SQL Server 2008, one of my previous books (Apress, 2008) . Modeling Spa...

Ngày tải lên: 24/12/2013, 02:18

... Surname FROM ExpertSqlServerDevelopment.dbo.Deprecated ORDER BY ExpertSqlServerDevelopment.dbo.Deprecated.EmployeeID SET ROWCOUNT 0; This query works as expected in SQL Server 2008, but makes ... by the sqlos.wait_info event), and saves them to a log file on the server: CREATE EVENT SESSION WaitMonitor ON SERVER ADD EVENT sqlos.wait_info( ACTION( sqlserver .sql_ text,...

Ngày tải lên: 14/12/2013, 15:15

... System.DivideByZeroException: at System.Data.SqlTypes.SqlDecimal.op_Division(SqlDecimal x, SqlDecimal y) at ExpertSQLServer.UserDefinedFunctions.Divide(SqlDecimal x, SqlDecimal y) . SQL Server automatically wraps ... Microsoft.SqlServer.Types.SqlGeography.IsValidExpensive() at Microsoft.SqlServer.Types.SqlGeography.ConstructGeographyFromUserInput( GeoData g, Int32 srid) at Micr...

Ngày tải lên: 14/12/2013, 15:15

... given key: [SqlFunction(IsDeterministic = true, DataAccess = DataAccessKind.None)] public static SqlBytes GenerateHMAC ( SqlString Algorithm, SqlBytes PlainText, SqlBytes Key ) ... of every database on a server that has at least one TDE-enabled database on it. • TDE negates any reduction in size of database files achieved from using SQL Server 2008 s compression opti...

Ngày tải lên: 24/12/2013, 02:18

... the queue.  Note For a thorough background on SQL Server Service Broker, see Pro SQL Server 2008 Service Broker, by Klaus Aschenbrenner (Apress, 2008) . The architecture I developed to solve ... levels of granularity supported within a SQL Server database. Recognizing the need for this kind of locking construct, Microsoft included a feature in SQL Server called applic...

Ngày tải lên: 24/12/2013, 02:18

... status of two monitored servers: CREATE TABLE ServerStatus ( ServerName varchar(50), Status varchar(15), StatusTime datetime ); GO INSERT INTO ServerStatus ( ServerName, Status, ... scenario. To start setting up this example, load SQL Server Profiler, start a new trace, and connect to a test server. Uncheck all of the events except for SQL: BatchCompleted and leave t...

Ngày tải lên: 24/12/2013, 02:18

... that the string encoding makes it difficult to work with deep hierarchies. Fortunately, in SQL Server 2008, the hierarchyid datatype was introduced, which essentially stores hierarchical data ... devote a little time to consider how hierarchies are ordered in a single index. By default, SQL Server 2008 indexes hierarchyid values in a depth-first order. That is, the nodes that a...

Ngày tải lên: 24/12/2013, 02:18

... validating input, 40–42 T -SQL, versus SQLCLR, 178–184 varchar datatype, 34 T -SQL function, 40, 137 varchar type, 34 T -SQL stored procedures, 6 Visual SourceSafe, 237 TSQLUnit unit testing framework, ... 326 updates, causing cycles, 405 touching, 294 US geographical data, accessing, 387 tracing SQL Server exceptions, 85 User Error Message events, 85 transactional locks, 250...

Ngày tải lên: 24/12/2013, 02:18