Tài liệu Expert SQL Server 2008 Development- P10 ppt

... 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

... [Microsoft.SqlServer .Server. SqlProcedure] public static void RunningSum() { using (SqlConnection conn = new SqlConnection("context connection=true;")) { SqlCommand comm = new SqlCommand(); ... 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...

Ngày tải lên: 24/12/2013, 02:18

... the dynamic SQL and static SQL solutions, leaving the dynamic SQL vs. static SQL question purely one of maintenance.  Note When running these tests on my system, I restarted my SQL Server service ... 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 architec...

Ngày tải lên: 24/12/2013, 02:18

... won’t discuss every available method—you can look these up on SQL Server Books Online (or in Beginning Spatial with SQL Server 2008) . Instead, I’ll examine a couple of common scenarios and ... terms of native date/time data types. Prior to SQL Server 2008, there wasn’t really a whole lot of choice when it came to storing temporal data in SQL Server the only temporal data...

Ngày tải lên: 24/12/2013, 02:18

... HH:MM:SS.NNNNNN (where N represents nanoseconds): [Microsoft.SqlServer .Server. SqlFunction] public static SqlString FormatDuration(SqlInt64 TimeInNanoseconds) { // Ticks = Nanoseconds / 10 ... status of two monitored servers: CREATE TABLE ServerStatus ( ServerName varchar(50), Status varchar(15), StatusTime datetime ); GO INSERT INTO ServerStatus ( ServerName, Stat...

Ngày tải lên: 24/12/2013, 02:18

... 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, sqlserver.plan_handle) ... Surname FROM ExpertSqlServerDevelopment.dbo.Deprecated ORDER BY ExpertSqlServerDevelopment.dbo.Deprecated.EmployeeID SET ROWCOUNT 0; This query works as expected in SQL Se...

Ngày tải lên: 14/12/2013, 15:15

... Microsoft.SqlServer.Types.SqlGeography.IsValidExpensive() at Microsoft.SqlServer.Types.SqlGeography.ConstructGeographyFromUserInput( GeoData g, Int32 srid) at Microsoft.SqlServer.Types.SqlGeography.GeographyFromText(OpenGisType ... type, SqlChars taggedText, Int32 srid) at Microsoft.SqlServer.Types.SqlGeography.STGeomFromText(SqlChars geometryTaggedText, Int32 srid) at Microsoft.Sq...

Ngày tải lên: 14/12/2013, 15:15

... a SQLCLR UDF used to calculate currency conversions based on exchange rates: [SqlFunction] public static SqlDecimal GetConvertedAmount( SqlDecimal InputAmount, SqlString InCurrency, SqlString ... benefit from using SQLCLR. It is important to realize that SQLCLR is not, and was never intended to be, a replacement for T -SQL as a data manipulation language in SQL Server. In orde...

Ngày tải lên: 24/12/2013, 02:18

... While CTEs are possibly the most convenient way to traverse adjacency list hierarchies in SQL Server 2008, they do not necessarily deliver the best possible performance. Iterative methods involving ... this is a very small data set, and the server on which I ran the query has only one processor. On a bigger set of data and/or with multiple processors, SQL Server could choose to p...

Ngày tải lên: 24/12/2013, 02:18