SQL Server - Bài 12

... SampleSTATISTICSTIMESTATISTICSPROFILESTATISTICS IOSQL Server Execution Times:CPU time = 0 ms, elapsed time = 2 ms.Rows Executes StmtText StmtId -- -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - 47 1 SELECT * ... information, SQL Server: 1. Traverses the index tree.2. Reads the leaf-level pages, starting with the first page, an...

Ngày tải lên: 15/11/2012, 10:59

... objects MicrosoftMicrosoftExample MicrosoftMicrosoftOutlineIntroduction to SQL ServerRelational Data ModelExploring SQL Server Architecture Data Access Architectures SQL Server Services & Tools SQL Server EditionsEvolution of SQL Server Summary MicrosoftMicrosoftData ... IDE MicrosoftMicrosoftSQL Server EditionsEnterprise (Developer) EditionStandard EditionWorkgro...

Ngày tải lên: 15/11/2012, 10:59

... created by users MicrosoftMicrosoft Surface Area Configuration New Installation SQL Server 2008 SQL Server 2005 SQL Server 2008 Services disabled and features not installed by default State of ... Environment Registered Servers MicrosoftMicrosoft Outline √ Integrated Management Environment √ Navigation √ Administering Databases  Maintaining SQL Server Database  Writing T...

Ngày tải lên: 15/11/2012, 10:59

... functions MicrosoftMicrosoft- ASCII( )- CHAR( )- UPPER( )- LOWER( )- LEN( )- LTRIM( )- RTRIM( )- LEFT( )- RIGHT( )- AVG( )- MIN( )- MAX( )- SUM( )- COUNT( )- SQUARE( )- SQRT( )- ROUND( )- GETDATE()-DATEPART(YY,getdate() )- DATEDIFF(X,Y,Z )- ... T -SQL for Data ManipulationVu Tuyet Trinhtrinhvt-fit@mail.hut.edu.vnHanoi University of Te...

Ngày tải lên: 15/11/2012, 10:59

... image  Others  sql_ variant, timestamp, xml… MicrosoftMicrosoft User-defined Data Type  Extending the SQL type system as  alias data types that consist of a single SQL Server system data ... data management • Enterprise-scales only Example • Windows File Servers • NetApp NetFiler • EMC Centera • Fujitsu Nearline • SQL Server VARBINARY(MAX) Use File Servers DB Application Ap...

Ngày tải lên: 15/11/2012, 10:59

... MicrosoftMicrosoftVariablesSQL Server supports two types of variables in T -SQL @@global_variable@local_variable MicrosoftMicrosoftList of Global variables @@CONNECTIONS Number of connections made to the server ... access to the data in a result set for T -SQL statements in scripts, stored procedures, and triggers MicrosoftMicrosoftCursor ImplementationsTransact -SQL Server Cur...

Ngày tải lên: 15/11/2012, 10:59

... UpdatedBackOrdersBackOrdersProductIDUnitsOnOrder … 1123 1510652 15 Trigger Deletes Row MicrosoftMicrosoftProductsProductsProductIDUnitsInStock… 123 415106520Enforcing Business Rules Products with ... AS P INNER JOIN Inserted AS ION P.ProductID = I.ProductIDProductsProductsProductIDUnitsInStock… 123 4151065202 15 MicrosoftMicrosoftActivating Insert TriggerStep 1INSERT statement to a table...

Ngày tải lên: 15/11/2012, 10:59

... ProviderSystem.data.dll+{System.data}….IDbConnectionIDbCommandIDataReaderIDbTransactionIDbDataAdapter….System.data.dll+{System.data.SqlClient}….SqlConnectionSqlCommandSqlDataReaderSqlTransactionSqlDataAdapterSqlCommandBuilderWarning: There is no IDbCommandBuilder MicrosoftMicrosoftDataReaderFast Forward-Only/Read-Only ... create SqlMetaData to describe the resultSqlMetaData[] columns = new...

Ngày tải lên: 15/11/2012, 10:59

... Integrity(between tables)User-definedintegrity MicrosoftMicrosoftEnforcing Data IntegrityDeclarative data integrityDefined in object definitionsEnforced automatically SQL Server by using constraints, ... USE NorthwindALTER TABLE dbo.EmployeesADD CONSTRAINT CK_birthdateCHECK (BirthDate > '0 1-0 1-1 900' AND BirthDate <getdate()) MicrosoftMicrosoftDEFAULT Constrain...

Ngày tải lên: 15/11/2012, 10:59

... EnumLocks• SQL Server Profiler • System Monitor MicrosoftMicrosoftConsiderations for Using TransactionsTransaction guidelinesKeep transactions as short as possibleUse caution with certain Transact -SQL ... TRANSACTION INSERT INTO Extensions (PrimaryExt) VALUES ('555 121 2') INSERT INTO Extensions (VoiceMailExt) VALUES ('55 5121 2') ROLLBACK TRANSACTION Microsoft...

Ngày tải lên: 15/11/2012, 10:59