| Universal Data Access Components Features |
- General usability
- Direct access to server data. Does not require installation of other data provider layers (such as BDE and ODBC)
- Access without using client library
[ Oracle, MySQL ]
- Interface compatible with standard data access methods, such as BDE and ADO
- VCL and VCL for .NET versions of library available
- Separated run-time and GUI specific parts allow you to create pure console applications
- Unicode support
- National charset support
[ Oracle, MySQL, InterBase ]
- Network and connectivity
- Disconnected Model with automatic connection control for working with data offline
- Local Failover for detecting connection loss and implicitly reexecuting certain operations
- Ability to search for installed servers in a local network
[ SQL Server, MySQL ]
- Connection timeout management
[ Oracle, SQL Server, MySQL ]
- Compatibility
- Full support of the latest server versions
- Support for embedded server versions
- Compatible with all IDE versions starting with Delphi 6 and C++Builder 6 except Delphi 8
- Wide reporting component support, including support for InfoPower, ReportBuilder, FastReport
- Support for all standard and third-party visual data-aware controls
- Allows you to use Professional Edition of Delphi and C++Builder to develop client/server applications
- Server-specific features
- Oracle
- Multiple Oracle Homes support
- Oracle sequence support
- Direct LOB access support
- Temporary LOB management routines
- Temporary LOBs for updating LOB fields
- OCI Connection Pooling and Statement Caching
- Oracle optimizer control
- CLIENT_IDENTIFIER support
- SQL Server
- Possibility to change application name for a connection
- Possibility to change workstation identifier for a connection
- Configuration of OEM/ANSI character translation
- Enhanced support for SQL Server Compact Edition
- MySQL
- HANDLER syntax support
- Possibility to retrieve last auto-incremented value
- InterBase/Firebird
- Advanced BLOB support
- Streaming (non-caching) BLOB access support
- Advanced generator support
- Advanced support for the character set OCTETS
- Support for the Firebird 2 EXECUTE BLOCK syntax
- Support for the Firebird 2 RETURNING clause
- Advanced locking for Firebird 2
- Automatic updates by DB_KEY unique field for Firebird 2
- Multiple transactions support with the TUniTransaction component
- Performance
- High overall performance
- Fast controlled fetch of large data blocks
- Optimized string data storing
- Advanced connection pooling
- High performance of applying cached updates with batches
- Caching of calculated and lookup fields
- Fast Locate in a sorted DataSet
- Preparing of user-defined update statements
- Local data storage operations
- Database-independent data storage with TVirtualTable component
- CachedUpdates operation mode
- Local sorting and filtering, including by calculated and lookup fields
- Local master/detail relationship
- Master/detail relationship in CachedUpdates mode
- Data access and data management automation
- Automatic data updating with TUniQuery, TUniTable, and TUniStoredProc components
- Automatic record refreshing and locking
- Automatic query preparing
- Support for ftWideMemo field type in Delphi 2006 and higher
- Extended data access functionality
- Separate component for executing SQL statements
- Simplified access to table data with TUniTable component
- Ability to retrieve metadata information with TUniMetaData component
- BLOB compression support
- Support for using macros in SQL
- FmtBCD fields support
- Ability to customize update commands by attaching external components to TUniUpdateSQL objects
- Deferred detail DataSet refresh in master/detail relationships
- MIDAS technology support
- UniDataAdapter component for WinForms and ASP.NET applications
- Distributed transactions support with the TUniTransaction component
[ Oracle, SQL Server ]
- Default value support for stored procedures
- RefreshQuick method
[ SQL Server, MySQL ]
- Data exchange
- Transferring data between all types of TDataSet descendants with TCRBatchMove component
- Data export and import to/from XML (ADO format)
- Ability to synchronize positions in different DataSets
- Script execution
- Advanced script execution features with the TUniScript component
- Support for executing individual statements in scripts
- Support for executing huge scripts stored in files with dynamic loading
- Ability to use standard clients tool syntax in scripts
- SQL Execution monitoring
- Extended SQL tracing capabilities provided by the TUniSQLMonitor component and DBMonitor
- Borland SQL Monitor support
- Ability to send messages to DBMonitor from any point in your program
- Visual extensions
- Includes the source code of enhanced TCRDBGrid data-aware grid control
- Customizable connection dialog
- Design-time enhancements
- DataSet Manager tool to control DataSet instances in the project
- Advanced design-time component and property editors
- Automatic design-time component linking
- Easy migration from BDE and ADO with Migration Wizard
- More convenient data source setup with the TUniDataSource component
- Syntax highlighting in the design-time editors
- Product clarity
- Complete documentation sets
- Printable documentation in PDF format
- A large amount of helpful demo projects
- Licensing and support
- Included annual UniDAC Subscription with Priority Support
- Licensed royalty-free per developer, per team, or per site
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