SQL Server 2005 RDBMS Technical SQL Server 2005 RDBMS Technical OverviewOverviewMatthew StephenIT Pro Evangelist (SQL Server)http://blogs.technet.com/mat_stephenMicrosoft Ltd.

AgendaAgenda

IntroductionIntroduction

Manageability enhancementsManageability enhancements

Security enhancementsSecurity enhancements

Availability enhancementsAvailability enhancements

Secure, reliable, and productive database platform for line-of-business and analytical applications

High availability for enterprise applicationsHigh availability for enterprise applications

Security enhancementsSecurity enhancements

Focus on manageability; self optimizationFocus on manageability; self optimization

Enterprise Data Management

Developer Productivity

Business Intelligence

Integration with Visual StudioIntegration with Visual Studio®® and .NET and .NET

Native XML technology Native XML technology

Interoperability: open standards, Web servicesInteroperability: open standards, Web services

Comprehensive ETL solutionComprehensive ETL solution

Real-time decision making: reporting, data miningReal-time decision making: reporting, data mining

Scalability and availability enhancementsScalability and availability enhancements

IntroductionIntroductionEmpowering ProductivityEmpowering Productivity

ManageabilityManageability New Management ToolsNew Management Tools

New: SQL Server Management StudioNew: SQL Server Management Studio

New rich GUINew rich GUI

Integrated managementIntegrated management

Supports all SQL Server componentsSupports all SQL Server components

Replaces:Replaces:

Enterprise ManagerEnterprise Manager

Query AnalyzerQuery Analyzer

Analysis Services ManagerAnalysis Services Manager

ManageabilityManageabilityManagement StudioManagement Studio

Object ExplorerObject Explorer

Create databases and data sourcesCreate databases and data sources

Control privileges and permissionsControl privileges and permissions

Configure replicationConfigure replication

Manage SQL Server AgentManage SQL Server Agent

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Manageability Manageability Tuning ToolsTuning Tools

XML Show PlanXML Show Plan

Publicly available SchemaPublicly available Schema

Programmatic accessProgrammatic access

PortabilityPortability

Database Tuning AdvisorDatabase Tuning Advisor

Time bound tuningTime bound tuning

What-if analysisWhat-if analysis

ScalabilityScalability

Ω

Manageability Manageability Diagnostic ToolsDiagnostic Tools

Dynamic Management ViewsDynamic Management Views

Server transparencyServer transparency

““sys.memory_clerks” sys.memory_clerks”

““sys.schedulers” sys.schedulers”

SQL ProfilerSQL Profiler

Integrated with Performance MonitorIntegrated with Performance Monitor

Deadlock graphDeadlock graph

Integrated Event LogsIntegrated Event Logs

Ω

SecuritySecurityFeature EnhancementsFeature Enhancements

Authorization EnhancementsAuthorization Enhancements

User schema separationUser schema separation

Module execution contextModule execution context

Granular permission controlGranular permission control

Encryption enhancementsEncryption enhancements

AuditingAuditing

DDL triggersDDL triggers

EventsEvents

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SecuritySecurityUser-Schema SeparationUser-Schema Separation

New DDL for user and schemasNew DDL for user and schemas

CREATE/ALTER/DROP for USER, ROLE, and CREATE/ALTER/DROP for USER, ROLE, and SCHEMASCHEMA

Dropping user does not require application Dropping user does not require application rewriterewrite

SecuritySecurityDROP USER => Application RewriteDROP USER => Application Rewrite

App1

App2

SELECT custID FROM SELECT custID FROM User1User1.OrdersTable.OrdersTable

App1 App1 ModifiedModified

App2 App2 modifiedmodified

OrdersTableOrdersTable

InsertOrderProcInsertOrderProc

SELECT custID FROM SELECT custID FROM User2User2.OrdersTable.OrdersTable

Exec Exec User1User1.InsertOrderProc .InsertOrderProc (@orderid)(@orderid)

Exec Exec User2User2.InsertOrderProc .InsertOrderProc (@orderid)(@orderid)

Owning user = User1 Owning user = User1

SCHEMA = User1SCHEMA = User1Owning user = User2 Owning user = User2

SCHEMA = User2SCHEMA = User2

SecuritySecuritySolution:Solution: User-Schema Separation User-Schema Separation

UserUserDatabase Object SchemaSchema

Contained inContained in Owned byOwned byOwned ByOwned By

TableTable

ViewView

Stored ProcStored Proc

FunctionFunction

User 2

Owned by

Owned by

Drop user does NOT require application change!Drop user does NOT require application change!

SecuritySecurity User-Schema SeparationUser-Schema Separation

Each schema has an owning Each schema has an owning principal – user or roleprincipal – user or role

Each user has a default schema Each user has a default schema for name resolutionfor name resolution

Object creation inside schema Object creation inside schema requires CREATE permission requires CREATE permission and ALTER or CONTROL and ALTER or CONTROL permission on the schemapermission on the schema

Example: Creation of table in Example: Creation of table in schema requires CREATE schema requires CREATE TABLE permission and TABLE permission and ownership of schema or ownership of schema or ALTER or CONTROL ALTER or CONTROL on schemaon schema

Role1 User1

Owns

Has default schema

Owns

Approle1

Owns

Schema1 Schema2

Schema3

SP1Fn1

Tab1

Database

Security Security Execution ContextExecution Context

User 3User 3

Select Perms Select Perms checked for User3checked for User3

Execute Perms Execute Perms checked for User3checked for User3

User1.Proc1User1.Proc1 User1.T1User1.T1

Execute Perms Execute Perms checked for User3checked for User3

NONO Perms Perms checked for User3checked for User3

User 3User 3 User2.Proc1User2.Proc1 User1.T1User1.T1

‘‘Execute AS ‘X’ ’Execute AS ‘X’ ’

Execute Perms Execute Perms checked for User3checked for User3

Select Perms Select Perms checked forchecked for ‘X’. ‘X’. Not for user3Not for user3

SQL Server 2005SQL Server 2005

SQL Server 2000SQL Server 2000User2.Proc1User2.Proc1 User1.T1User1.T1

SecuritySecurityModule Execution ContextModule Execution Context

Execute AS CALLERExecute AS CALLER

Execute AS “UserName”Execute AS “UserName”

Execute AS SELFExecute AS SELF

Execute AS OWNER Execute AS OWNER

SecuritySecurityCertificatesCertificates

Encryption enhancementsEncryption enhancements

Encryption uses symmetric keys, asymmetric keys and Encryption uses symmetric keys, asymmetric keys and certificatescertificates

SQL Server 2005 can generate certificates for encryptionSQL Server 2005 can generate certificates for encryption

RC4, RSA, Triple-DES and AES encryption supportedRC4, RSA, Triple-DES and AES encryption supported

Encryption can be used with any level of SQL Server Encryption can be used with any level of SQL Server 2005 securable objects2005 securable objects

AvailabilityAvailabilityTable PartitioningTable Partitioning

SQL Server 2000 allowed partition viewsSQL Server 2000 allowed partition views

SQL Server 2005 allows partitioned tables and indexesSQL Server 2005 allows partitioned tables and indexes

Increases performance on multiprocessor machinesIncreases performance on multiprocessor machines

Eases management of data – data can be grouped logicallyEases management of data – data can be grouped logically

Data movement easier Data movement easier

Three stepsThree steps

Create the partition functionCreate the partition function

Create the partition schemeCreate the partition scheme

Create the partitioned tableCreate the partitioned table

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AvailabilityAvailabilitySnapshot IsolationSnapshot Isolation

Increased data availability for Increased data availability for read applicationsread applications

Allows non-blocking consistent reads in an OLTP Allows non-blocking consistent reads in an OLTP environmentenvironment

Writers don’t block readersWriters don’t block readers

Readers don’t block writersReaders don’t block writers

ScenariosScenarios

Read-mostly database with relatively few writes – Read-mostly database with relatively few writes – ReportingReporting

Migration from Oracle to SQL ServerMigration from Oracle to SQL Server

AvailabilityAvailabilityDatabase SnapshotsDatabase Snapshots

Snapshot of a database at a point in timeSnapshot of a database at a point in time

Created instantlyCreated instantly

Read onlyRead only

Does not require a complete copy of the dataDoes not require a complete copy of the data

Shares unchanged pages of the databaseShares unchanged pages of the database

Requires extra storage only for changed pagesRequires extra storage only for changed pages

Uses a “copy-on-write” mechanismUses a “copy-on-write” mechanism

Recover from User, Application or DBA errorRecover from User, Application or DBA error

Rewind database to Database SnapshotRewind database to Database Snapshot

AvailabilityAvailabilityOther Maintenance FeaturesOther Maintenance Features

Dedicated Admin ConnectionDedicated Admin Connection

Access to Server when regular connections failAccess to Server when regular connections fail

Online page and file restoreOnline page and file restore

Database remains onlineDatabase remains online

Online index maintenance

Fast recoveryFast recovery

Database is available when undo beginsDatabase is available when undo begins

UndoUndoRedo

AvailableAvailable

SessionSession Summary Summary

New integrated management toolsNew integrated management tools

New privilegesNew privileges

Secure by design, by deployment, and by defaultSecure by design, by deployment, and by default

Reduced attack surfaceReduced attack surface

Separate service accountsSeparate service accounts

Fine grained access securityFine grained access security

Expanded and enhanced availability optionsExpanded and enhanced availability options

PartitioningPartitioning

New restoration featuresNew restoration features

New replication featuresNew replication features

© 2003 Microsoft Corporation. All rights reserved.

ResourcesResources

Microsoft SQL Team blogsMicrosoft SQL Team blogshttp://www.sqljunkies.com/blogs http://www.sqljunkies.com/blogs

Microsoft SQL Server community on the webMicrosoft SQL Server community on the webwww.sqlservercentral.com www.sqlservercentral.com

SQL Server Integration Services on the webSQL Server Integration Services on the webwww.sqlis.com www.sqlis.com

SQL Server Developer CenterSQL Server Developer Centerhttp://msdn.microsoft.com/sql/http://msdn.microsoft.com/sql/

Microsoft SQL Server 2005 websiteMicrosoft SQL Server 2005 websitehttp://www.microsoft.com/sql/2005/default.asphttp://www.microsoft.com/sql/2005/default.asp

SQL NewsgroupsSQL Newsgroups http://www.microsoft.com/technet/community/newsgroups/server/sql.mspxhttp://www.microsoft.com/technet/community/newsgroups/server/sql.mspx

SQL Server 2005 DataminingSQL Server 2005 Datamininghttp://www.sqlserverdatamining.com/DMCommunity/http://www.sqlserverdatamining.com/DMCommunity/