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Microsoft® SQL Server™ 2005 (April CTP) Enterprise Data Management for the DBA
Barnaby Jeans IT Pro Advisor Microsoft Canada
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Prerequisite Knowledge
Knowledge of Microsoft SQL Server 2000 or Microsoft SQL Server 7.0 Level 200
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What We Will Cover Manageability enhancements Security enhancements
Availability enhancements Scalability features Interoperability capabilities
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Introduction SQL Server 2005 Data Platform
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Enterprise Data Management Developer Productivity
Introduction Empowering Productivity High availability for enterprise applications Security enhancements Focus on manageability; self optimization Enterprise Data Management Integration with Visual Studio® and .NET Native XML technology Interoperability: open standards, Web services Developer Productivity Comprehensive ETL solution Real-time decision making: reporting, data mining Scalability and availability enhancements Business Intelligence Secure, reliable, and productive database platform for line-of-business and analytical applications
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Manageability Tools New: SQL Server Management Studio
New rich GUI Integrated authoring, management Supports all SQL Server components Replaces Enterprise Manager, Query Analyzer Can manage multiple servers
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demonstration Management Studio Registering Servers
Using Object Explorer Executing queries Using Solution Explorer
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Manageability SQLCMD Command-line tool for executing T-SQL statements and scripts Replaces osql Uses OLE DB (not ODBC or DB-Library) Has a dedicated administrator connection
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Manageability SQLiMail/Database Mail
Uses SMTP, not Extended MAPI Profiles Secure – Profiles enable specification of users with access to SQLiMail profile Integrated management within SQL Server Failover – can point to multiple SMTP servers from one profile for ensured mail delivery Service Broker used to deliver messages to avoid blocking a stored procedure Execute sendimail_sp
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Manageability Tuning Tools
XML Show Plan Publicly available Schema Programmatic access Portability Database Tuning Advisor Time bound tuning What-if analysis Scalability
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demonstration Tuning Tools XML Showplan Database Tuning Advisor
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Manageability Diagnostic Tools
SQL Profiler Integrated with Performance Monitor Deadlock graph Integrated Event Logs
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demonstration Profiler and Event Logs SQL Server Profiler
Graphical deadlocks Diagnosis using integrated event logs
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Security Feature Enhancements
Authorization Enhancements User schema separation Module execution context Catalog security Granular permission control Encryption enhancements Auditing DDL triggers Events
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Security Architecture
Integrated Windows Authentication Password Complexity Granular Permissions
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demonstration Auditing Auditing using Profiler DDL Triggers
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Security Solution: User-Schema Separation
Table View Stored Proc Function User 2 Owned by Owned By Database Object Contained in Owned by Schema User Drop user does NOT require application change!
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Security Execution Context
Execute Perms checked for User3 Select Perms checked for User3 SQL Server 2000 User2.Proc1 User1.T1 User 3 User1.Proc1 User1.T1 Execute Perms checked for User3 NO Perms checked for User3 SQL Server 2005 User 3 User2.Proc1 User1.T1 ‘Execute AS ‘X’ ’ Execute Perms checked for User3 Select Perms checked for ‘X’. Not for user3
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Addressing Barriers to Availability
Database Server Failure Failover Clustering Database Mirroring Database Maintenance & Operations Online Index Operations Fast Recovery Fine-Grained Online Repairs Data Access Concurrency Limitations Snapshot Isolation User, Application Errors Database snapshots
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Database Mirroring Achieving high availability while managing costs
Database Failover Very fast failover…less than 3 seconds Automatic or manual failover Automatic, transparent client redirect Database Snapshots for Reporting Works with standard hardware and storage Mirror Principal Witness Log Application SQL Server 2 4 5 1 Data 3 3-6
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Online Index Operations
Online index maintenance Create, Rebuild, Reorganize, Drop, Add or drop constraint Fully parallel Online/offline are both supported
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Other Availability Features
On-Line Page and File restore Database remains online - Only data being restored is unavailable Dedicated Admin Connection Access to Server when regular connections fail Fast Recovery Database is available when undo begins Redo Undo Available
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Database Snapshots Snapshot of a database at a point in time
Created instantly Read only Does not require a complete copy of the data Shares unchanged pages of the database Requires extra storage only for changed pages Uses a “copy-on-write” mechanism Recover from User, Application or DBA error Rewind database to Database Snapshot
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demonstration Database Snapshots Create a database snapshot
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Availability Table Partitioning
SQL Server 2000 allowed partition views SQL Server 2005 allows partitioned tables and indexes Increases performance on multiprocessor machines Eases management of data – data can be grouped logically Data movement easier
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Availability Setting Up Partitioning
Three steps Create the partition function Create the partition scheme Create the partitioned table
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demonstration Table Partitioning Create a partitioned table
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Availability Replication Changes
Stand-alone Replication Monitor Merge performance and scalability improved 2-4x DDL on published objects supported seamlessly while replicating New peer-to-peer replication wizard
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Availability Web Synchronization
Merge replication Subscriber IIS Publisher/Distributor -InternetUrl Replisapi.dll Firewall
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Snapshot Isolation Increased data availability for read applications
Allows non-blocking consistent reads in an OLTP environment Writers don’t block readers Readers don’t block writers
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64-bit Database Platform High-performance computing
Optimized for Windows Server 2003 Support for AMD Opteron & Intel Itanium & Intel EM64T Great performance Large memory addressability (up to 32 TB) Nearly unlimited virtual memory (up to 8 TB) I/O savings due to larger memory buffer pools T-SQL code-compatibility with SQL Server 2000 8 node clustering support Same on-disk format as 32-bit for easy migration 64bit support for relational engine and BI Compelling alternative to expensive Unix solutions Scalability Manageability Cost Savings The highly scalable database platform for memory intensive, performance-critical business applications
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Deep CLR Integration CLR goes through SQL OS for: SQL Engine Memory
Threads/fibers Synchronization SQL-CLR host co-ordinates Assembly Loading Security management App domains Escalation policy for exceptions SQL Engine CLR Hosting Layer SQL OS Windows
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The Developer Experience
VB,C#,C++ Build Assembly: “TaxLib.dll” VS .NET Project SQL Data Definition: create assembly … create function … create procedure … create trigger … create type … Runtime hosted by SQL (in-proc) SQL Server SQL Queries: select sum(tax(sal,state)) from Emp where county = ‘King’
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Should I use T-SQL or CLR
If the procedure is simply a wrapper for accessing the base table by encapsulating basic INSERT/UPDATE/DELETE/SELECT operations Y If the procedure involves primarily forward-only, read-only row navigation from a result set and some processing involving each row If the procedure involves both significant data access and computation and logic
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demonstration CLR Support Create and Deploy a CLR stored procedure
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XML - Usage Scenarios XML Datatype, Schema, Indexes – Storage and management of semi-structured data and hierarchical data XQuery and DML Extracting stored XML Node level update (instead of full XML) Customer usage, benefit : New scenarios (e.g. Document Management)
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XML Support Flexible Storage, Query and DML
SQL XQuery OpenXML XML Data Type FName LName Addr Phone Fax XML
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SQL Web Services http://server1/aspnet/default.aspx Kernel Mode
Native SOAP access Standards based access to SQL Server No client dependency Improved Interoperability New “ENDPOINT AS HTTP” object Configure connection info Configure authentication Expose Functions & SPs Expose TSQL Batches Kernel Mode Listener
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demonstration XML Support Web Services Generate XML from a Query
Publish Stored Procedure as Web Service
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Session Summary New integrated management tools
Secure by design, by deployment, and by default Expanded and enhanced availability options
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