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SQL Server Data Access Components (SDAC) is a library of components that provides access to Microsoft SQL Server databases. SDAC connects to SQL Server directly through OLE DB, which is a native SQL Server interface. The SDAC library is designed to help programmers develop faster and cleaner SQL Server database applications. SDAC is a complete replacement for standard SQL Server connectivity solutions and presents an efficient alternative to the Borland Database Engine for access to SQL Server.

特征綜述 About Feature

Components
All editions of SDAC include the following basic components:

• TMSConnection - lets you set up and control connections to SQL Server
• TMSQuery - queries execution, operates record set, flexible way updating database tables
• TMSTable - lets you retrieve and update data in a single table without writing SQL statements
• TMSStoredProc - executes stored procedures and functions
• TMSSQL - executes SQL statements and stored procedures, which do not return rowsets
• TMSScript - executes sequences of SQL statements
• TMSUpdateSQL - lets you tune update operations for a DataSet component
• TMSDataSource - provides an interface between a SDAC dataset components and data-aware controls on a form
• TMSSQLMonitor - allows to monitor dynamic SQL executing in SDAC based applications
• TMSConnectDialog - allows you to build custom prompts for usernames, passwords, and servers
• TVirtualTable - dataset stores data in memory
• MSDataAdapter - .NET component, uses TDataSet as data source for retrieving and saving data to System.Data.DataSet

• TMSLoader - allows you to quickly load data into SQL Server databases
• TMSDump - serves to store a database or its parts as a script and also to restore database from received script
• TMSServiceBroker - lets you work with Service Broker technology to send and receive messages
• TMSMetadata - allows to retrieve embracing metadata on specified SQL object
• TMSChangeNotification - lets you react on different server side changes on-the-fly. Based on the Query Notifications mechanism of SQL Server 2005
• TMSTransaction - lets you control distributed transactions via Microsoft Distributed Transaction Coordinator
• TMSCompactConnection - lets you set up and control connections to SQL Server Compact Edition
• TCRBatchMove - transfers data between all types of TDataSet descendants

• Direct access to server data. Does not require installation of other data provider layers (such as BDE and ODBC)
• VCL, VCL.NET, and CLX versions of library available
• Full support of the latest Microsoft SQL Server versions, including Express and Compact Editions
• Support for all SQL Server data types
• Disconnected Model with automatic connection control for working with data offline
• Local Failover for detecting connection loss and implicitly reexecuting certain operations
• All types of local sorting and filtering, including by calculated and lookup fields
• Automatic data updating with TMSQuery, TMSTable, and TMSStoredProc components
• Unicode support
• Support for many SQL Server-specific features, such as MARS and bulk copy operations
• Advanced script execution with TMSScript component
• Support for using macros in SQL
• Easy migration from BDE and ADO with Migration Wizard
• Lets you use Professional Edition of Delphi and C++Builder to develop client/server applications
• Includes annual SDAC Subscription with Priority Support
• Licensed royalty-free per developer, per team, or per site

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