What's new

• What's new in UniDAC

Supported target platforms

• Windows 32-bit and 64-bit
• macOS 64-bit
• Mac ARM
• iOS 64-bit
• iOS Simulator ARM 64-bit
• Android 32-bit and 64-bit
• Linux 32-bit and 64-bit

General usability

• Direct access to server data. Does not require installation of other data provider layers (such as BDE)
• Access without using client library [Oracle, SQL Server, MySQL, PostgreSQL, SQLite, DBF]
• Interface compatible with standard data access methods, such as BDE and ADO
• VCL, LCL and FMX versions of library available
• Separated run-time and GUI specific parts allow you to create pure console applications such as CGI
• Unicode support
• National charset support [Oracle, MySQL, InterBase, PostgreSQL]
• Unified SQL for writing server-independent queries
• Highly usable design time support
• Easy to deploy

Network and connectivity

• Disconnected Mode 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, PostgreSQL]
• Connection timeout management [Oracle, SQL Server, MySQL, PostgreSQL, ODBC]
• Support for OS authentication
• Support for Proxy Authentication
• Support for the change expired password
• Support for both IPv6 and Ipv4 protocol

Compatibility

• Support for the latest server versions
• Support for embedded server versions
• Support for Delphi 6, C++ Builder 6, and later versions up to RAD Studio 12 Athens
• Support for Lazarus 3.0 and Free Pascal 3.2.2
• Support for reporting components, including InfoPower, ReportBuilder, FastReport
• Support for all standard and third-party visual data-aware controls
• Support for Professional Edition of Delphi and C++Builder for developing 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, proxy session pooling, and statement caching
  • Oracle optimizer control
  • CLIENT_IDENTIFIER support
  • DBMS_ALERT support with the TUniAlerter component
  • Secure connections with SSL, SSH, and HTTP tunneling
  • Oracle package support
  • Oracle 9i scrollable cursor support
  • DML array operations support
  • ProxySession support
  • External Procedure support
  • ROWID values retrieval
  • Overloaded stored procedures support
  • Support for WITH FUNCTION clause
• 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
  • Enhanced support for User-defined Types of SQL Server
  • Ability to lock records and tables
• MySQL

  • HANDLER syntax support
  • Transaction isolation level support
  • Possibility to retrieve last auto-incremented value
  • Session identifer retrieval
  • Server object information retrieval
  • Row-level and table-level locking support
  • Secure connections with SSL, SSH, and HTTP tunneling
• 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
  • InterBase events support with the TUniAlerter component
  • Comprehensive array data type support
  • Default value support for stored procedures
  • InterBase services components for configuring server parameters and security
  • Support for the Firebird 3 BOOLEAN datatype
  • Support for the Firebird 2.1 trusted authentication
  • Support for InterBase OTW encryption
• PostgreSQL

  • Advanced sequences support
  • Advanced Large Objects support
  • Ability to control Fetch block size
  • Returning result sets from stored procedures
  • Secure connections with SSL, SSH, and HTTP tunneling
  • Notifications support with the TUniAlerter component
  • Support for PostgreSQL Asynchronous Notification with the TUniAlerter component
  • Supports the possibility of retrieving last inserted OID value
  • Advanced errors support
  • Support for the PostgreSQL notices
• SQLite

  • Support for all commonly used data types
  • Support for autoincrement fields
  • Possibility to retrieve last auto-incremented value
  • SQLite database encryption in Direct mode using different encryption algorithms
  • Data Type Mapping
  • Support for automatic database creation on connect
  • Support for Shared-Cache mode
  • Support for SQLite user-defined functions
  • Support for SQLite user-defined collations
  • Support for SQLite extensions loading
  • Support for SQLite R*Tree module
  • Support for SQLite FTS3 and FTS4 extensions
  • Support for multi-SQL statements executing
• MongoDB

  • Support for all commonly used data types
  • Support for native MongoDB query and update commands syntax
  • Support for displaying/modifying documents using regular data-aware controls like TDBGrid
  • Support for simply modifying documents in code using "fluent" interface
  • Support for reading/writing documents in the Extended JSON format
  • Support for working with collections via regular SQL using VirtualDAC
• DB2

  • Advanced sequences support
  • Schema and function path support
• DBF

  • Support for a variety of database formats: dBaseIII-dBase10, dBase for Windows, HiPer-Six, FoxPro 2, Visual FoxPro
  • Support for all native data types
  • Support for native dBase functions
  • Support for autoincrement fields
  • Support for .dbt (dBase), .fpt (FoxPro) and .smt (HiPer-Six) MEMOs
  • Support for .mdx (dBaseIV+) and .cdx (Visual FoxPro) indexes
  • Support for table management commands: CREATE/DROP/PACK/ZAP/REINDEX TABLE, ALTER TABLE ADD/DROP/ALTER COLUMN
  • Support for index management commands: CREATE/DROP INDEX

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
• High performance batch processing
• Intelligent fetch block size control
• Advanced connection pooling
• SmartFetch Mode enabling fast bi-directional navigation through large datasets

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
• SmartRefresh option allows you to synchronize two or more datasets automatically
• Support for ftWideMemo field type in Delphi 2006 and higher
• Data Type Mapping
• Support for Data Encryption in a client application

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 ]
• Fast record insertion with TUniLoader component
• NonBlocking mode allows background executing and fetching data in separate threads
• LargeInt fields support
• Object-oriented building of SELECT statements

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
• Extended data management with TUniDump component

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

Resources

• Code documentation and guides in the CHM, PDF, and HXS formats
• Many helpful demo projects

Licensing and support

• Included annual UniDAC Subscription with Priority Support
• Licensed royalty-free per developer, per team, or per site