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SQL Server 2008 New Features



SQL Server provides the highest levels of security, reliability, and scalability for your business-critical applications.

 Protect valuable information

  • Transparent Data Encryption

    encryption of an entire database, data files, or log files, without the
    need for application changes. Benefits of this include: Search
    encrypted data using both range and fuzzy searches, search secure data
    from unauthorized users, and data encryption without any required
    changes in existing applications.

  • Extensible Key Management

    Server 2005 provides a comprehensive solution for encryption and key
    management. SQL Server 2008 delivers an excellent solution to this
    growing need by supporting third-party key management and HSM products.

  • Auditing

    and manage auditing via DDL, while simplifying compliance by providing
    more comprehensive data auditing. This enables organizations to answer
    common questions, such as, "What data was retrieved?"

    > Learn more about SQL Server 2008 Security

 Ensure business continuity

  • Enhanced Database Mirroring

    Server 2008 builds on SQL Server 2005 by providing a more reliable
    platform that has enhanced database mirroring, including automatic page
    repair, improved performance, and enhanced supportability.

  • Automatic Recovery of Data Pages

    Server 2008 enables the principal and mirror machines to transparently
    recover from 823/824 types of data page errors by requesting a fresh
    copy of the suspect page from the mirroring partner transparently to
    end users and applications.

  • Log Stream Compression

    mirroring requires data transmissions between the participants of the
    mirroring implementations. With SQL Server 2008, compression of the
    outgoing log stream between the participants delivers optimal
    performance and minimizes the network bandwidth used by database

    > Learn more about SQL Server 2008 High Availability

 Enable predictable response

  • Resource Governor

    a consistent and predictable response to end users with the
    introduction of Resource Governor, allowing organizations to define
    resource limits and priorities for different workloads, which enable
    concurrent workloads to provide consistent performance to their end

  • Predictable Query Performance

    greater query performance stability and predictability by providing
    functionality to lock down query plans, enabling organizations to
    promote stable query plans across hardware server replacements, server
    upgrades, and production deployments.

  • Data Compression

    data to be stored more effectively, and reduce the storage requirements
    for your data. Data compression also provides significant performance
    improvements for large I/O bound workloads, like data warehousing.

  • Hot Add CPU

    scale a database on demand by allowing CPU resources to be added to SQL
    Server 2008 on supported hardware platforms without forcing any
    downtime on applications. Note that SQL Server already supports the
    ability to add memory resources online.

    > Learn more about SQL Server 2008 Performance and Scale


take advantage of new opportunities in today's fast-moving business
world, companies need the ability to create and deploy data-driven
solutions quickly. SQL Server 2008 reduces time and cost of management
and development of applications.

 Manage by policies

  • Policy-Based Management

    Management is a policy-based system for managing one or more instances
    of SQL Server 2008. Use this with SQL Server Management Studio to
    create policies that manage entities on the server, such as the
    instance of SQL Server, databases, and other SQL Server objects.

  • Streamlined Installation

    Server 2008 introduces significant improvements to the service life
    cycle for SQL Server through the re-engineering of the installation,
    setup, and configuration architecture. These improvements separate the
    installation of the physical bits on the hardware from the
    configuration of the SQL Server software, enabling organizations and
    software partners to provide recommended installation configurations.

  • Performance Data Collection

    tuning and troubleshooting are time-consuming tasks for the
    administrator. To provide actionable performance insights to
    administrators, SQL Server 2008 includes more extensive performance
    data collection, a new centralized data repository for storing
    performance data, and new tools for reporting and monitoring.

    > Learn more about SQL Server 2008 Manageability

 Simplify application development

  • Language Integrated Query (LINQ)

    developers to issue queries against data, using a managed programming
    language, such as C# or VB.NET, instead of SQL statements. Enable
    seamless, strongly typed, set-oriented queries written in .NET
    languages to run against ADO.NET (LINQ to SQL), ADO.NET DataSets (LINQ
    to DataSets), the ADO.NET Entity Framework (LINQ to Entities), and to
    the Entity Data Service Mapping provider. Use the new LINQ to SQL
    provider that enables developers to use LINQ directly on SQL Server
    2008 tables and columns.

  • ADO.NET Object Services

    Object Services layer of ADO.NET enables the materialization, change
    tracking, and persistence of data as CLR objects. Developers using the
    ADO.NET framework can program against a database, using CLR objects
    that are managed by ADO.NET. SQL Server 2008 introduces more efficient,
    optimized support that improves performance and simplifies development.

    > Learn about SQL Server 2008 ADO.NET Object Services and LINQ

 Store any information


    SQL Server 2008 introduces new date and time data types:

    • DATE—A date-only type

    • TIME—A time-only type

    • DATETIMEOFFSET—A time-zone-aware datetime type

    • DATETIME2—A datetime type with larger fractional seconds and year range than the existing DATETIME type

    new data types enable applications to have separate data and time types
    while providing large data ranges or user defined precision for time


    Enable database applications to model tree structures in a more efficient way than currently possible. New system type HierarchyId can
    store values that represent nodes in a hierarchy tree. This new type
    will be implemented as a CLR UDT, and will expose several efficient and
    useful built-in methods for creating and operating on hierarchy nodes
    with a flexible programming model.


    large binary data to be stored directly in an NTFS file system, while
    preserving an integral part of the database and maintaining
    transactional consistency. Enable the scale-out of large binary data
    traditionally managed by the database to be stored outside the database
    on more cost-effective storage without compromise.

  • Integrated Full Text Search

    Full Text Search makes the transition between Text Search and
    relational data seamless, while enabling users to use the Text Indexes
    to perform high-speed text searches on large text columns.

  • Sparse Columns

    data consumes no physical space, providing a highly efficient way of
    managing empty data in a database. For example, Sparse Columns allows
    object models that typically have numerous null values to be stored in
    a SQL Server 2005 database without experiencing large space costs.

  • Large User-Defined Types

    Server 2008 eliminates the 8-KB limit for User-Defined Types (UDTs),
    allowing users to dramatically expand the size of their UDTs.

  • Spatial Data Types

    Build spatial capabilities into your applications by using the support for spatial data.

    • Implement
      Round Earth solutions with the geography data type. Use latitude and
      longitude coordinates to define areas on the Earth's surface.

    • Implement
      Flat Earth solutions with the geometry data type. Store polygons,
      points, and lines that are associated with projected planar surfaces
      and naturally planar data, such as interior spaces.

      > Learn more about SQL Server 2008 Programmability and Spatial Data


SQL Server 2008 provides a comprehensive platform, delivering intelligence where your users want it.

 Integrate any data

  • Backup Compression

    disk-based backups online is expensive and time-consuming. With SQL
    Server 2008 backup compression, less storage is required to keep
    backups online, and backups run significantly faster since less disk
    I/O is required.

  • Partitioned Table Parallelism

    enable organizations to manage large growing tables more effectively by
    transparently breaking them into manageable blocks of data. SQL Server
    2008 builds on the advances of partitioning in SQL Server 2005 by
    improving the performance on large partitioned tables.

  • Star Join Query Optimizations

    Server 2008 provides improved query performance for common data
    warehouse scenarios. Star Join Query optimizations reduce query
    response time by recognizing data warehouse join patterns.

  • Grouping Sets

    Sets is an extension to the GROUP BY clause that lets users define
    multiple groupings in the same query. Grouping Sets produces a single
    result set that is equivalent to a UNION ALL of differently grouped
    rows, making aggregation querying and reporting easier and faster.

  • Change Data Capture

    Change Data Capture, changes are captured and placed in change tables.
    It captures complete content of changes, maintains cross-table
    consistency, and even works across schema changes. This enables
    organizations to integrate the latest information into the data

  • MERGE SQL Statement

    the introduction of the MERGE SQL Statement, developers can more
    effectively handle common data warehousing scenarios, like checking
    whether a row exists, and then executing an insert or update.

  • SQL Server Integration Services (SSIS) Pipeline Improvements

    Integration packages can now scale more effectively, making use of
    available resources and managing the largest enterprise-scale
    workloads. The new design improves the scalability of runtime into
    multiple processors.

  • SQL Server Integration Services (SSIS) Persistent Lookups

    need to perform lookups is one of the most common ETL operations. This
    is especially prevalent in data warehousing, where fact records need to
    use lookups to transform business keys to their corresponding
    surrogates. SSIS increases the performance of lookups to support the
    largest tables.

    > Learn more about SQL Server 2008 Integration Services and Data Warehousing

 Deliver relevant information

  • Analysis Scale and Performance

    Server 2008 drives broader analysis with enhanced analytical
    capabilities and with more complex computations and aggregations. New
    cube design tools help users streamline the development of the analysis
    infrastructure enabling them to build solutions for optimized

  • Block Computations

    Computations provides a significant improvement in processing
    performance enabling users to increase the depth of their hierarchies
    and complexity of the computations.

  • Writeback

    MOLAP enabled writeback capabilities in SQL Server 2008 Analysis
    Services removes the need to query ROLAP partitions. This provides
    users with enhanced writeback scenarios from within analytical
    applications without sacrificing the traditional OLAP performance.

    > Learn more about SQL Server 2008 Analysis Services

 Drive actionable insights

  • Enterprise Reporting Engine

    can easily be delivered throughout the organization, both internally
    and externally, with simplified deployment and configuration. This
    enables users to easily create and share reports of any size and

  • Internet Report Deployment

    Customers and suppliers can effortlessly be reached by deploying reports over the Internet.

  • Manage Reporting Infrastructure

    supportability and the ability to control server behavior with memory
    management, infrastructure consolidation, and easier configuration
    through a centralized store and API for all configuration settings.

  • Report Builder Enhancements

    Easily build ad-hoc and author reports with any structure through Report Designer.

  • Built-In Forms Authentication

    Built-in forms authentication enables users to easily switch between Windows and Forms.

  • Report Server Application Embedding

    Report Server application embedding enables the URLs in reports and subscriptions to point back to front-end applications.

  • Microsoft Office Integration

    Server 2008 provides new Word rendering that enables users to consume
    reports directly from within Microsoft Office Word. In addition, the
    existing Excel renderer has been greatly enhanced to accommodate the
    support of features, like nested data regions, sub-reports, as well as
    merged cell improvements. This lets users maintain layout fidelity and
    improves the overall consumption of reports from Microsoft Office

  • Predictive Analysis

    Server Analysis Services continues to deliver advanced data mining
    technologies. Better Time Series support extends forecasting
    capabilities. Enhanced Mining Structures deliver more flexibility to
    perform focused analysis through filtering as well as to deliver
    complete information in reports beyond the scope of the mining model.
    New cross-validation enables confirmation of both accuracy and
    stability for results that you can trust. Furthermore, the new features
    delivered with SQL Server 2008 Data Mining Add-ins for Office 2007
    empower every user in the organization with even more actionable
    insight at the desktop.

    > Learn more about SQL Server 2008 Reporting Services and Data Mining




Gönderildi : 11/08/2008 12:33