ACE Wikipediac tree. ACE is a cross platformdatabase engine developed by Fair. Com Corporation. 1Software developers typically embed the c tree. ACE engine within the applications that they create and then deploy the application and engine together as an integrated solution. Delphi Dbexpress Odbc Driver' title='Delphi Dbexpress Odbc Driver' />At its core, c tree. ACE uses a record oriented, Indexed Sequential Access Method ISAM structure offering high speed indexing mechanisms over those files. Developers can use these direct access methods to design the data and index structures that closely parallel the needs of their application. This paradigm is sometimes referred to as an application specific database2 or an embedded database because of the tightly coupled nature of the application and database. The nature of c tree. ACE allows it to be used in a range of products including embedded systems that require limited disk and memory footprint and silent operation shrink wrap products developed by ISVs that require cross platform support, minimal maintenance, and mass deployment and enterprise systems that depend on performance and more precision control of database operations than a traditional enterprise database offers. Two versions of the product are available. ACE Express is freely available for development from Fair. Coms web site and supports only the clientserver architecture. The client side libraries are precompiled, making it easy to use for evaluation. ACE Professional is licensed separately and supports all architectures and includes full source code for the client libraries and much of the source code for the server. ACE is one of few databases that specialize in making data locked into legacy database architecture available to modern APIs while minimizing time, resources and risks involved in modernization projects. ACE combines the benefits of No. SQL such as high performance, low latency and precise data access control, with the flexbility of SQL interfaces. Featureseditc tree. ACE offers support for the following features c tree. ACE has a layered system architecture with different application programming interfaces APIs available to the developer at each layer. The lower layers have proprietary APIs that allow more direct control of data and index manipulation at the expense of added complexity whereas higher layers offer more industry standard APIs but may offer less precise control. Software developers can choose to use one API for the application or use multiple APIs concurrently. Underpinning c tree. ACE is an ISAM engine. Developers can use a native C API to access the engine directly. Because the ISAM API can be used to create applications with non relational data structures, c tree. Easysoft dbExpressODBC Gateway. ODBC access from Borland Kylix, Delphi or C Builder applications to databases such as InterBase, DB2, Oracle, Microsoft SQL. Delphi on 64 bit Windows 7 Some 64 bit Windows notes File location 32 bit programs will be installed on cProgram Files x86 as 64 bit software will be installed. ACE can be included as part of the No. SQL class of databases. Here, because the software can also be used to create databases that are in fact SQLrelational particularly with the SQL layer discussed below, No. SQL would refer to a database offering Not Only SQL rather than one that excludes SQL. The next layer up is what Fair. How To Remove Dial Up Connection Vista more. Com terms the c tree. DB layer. Interfaces at this layer include C and C APIs, VCL components for use with Delphi and CBuilder, and. NET components. Finally there is an optional SQL layer that allows SQL 9. At this layer, there are multiple API choices including an ADO. NET data provider, Type 4 JDBC driver, ODBC driver, PHP interface, Db. Express driver for Delphi and C Builder. Stored procedureswritten in Java for cross platform portabilityare included at the SQL layer. Architecture choiceseditc tree. ACE includes several different architectures or operational models for developers to choose from. Clientserver modeleditThe clientserver model available with c tree. Delphi Dbexpress Odbc Driver' title='Delphi Dbexpress Odbc Driver' />ACE uses a typical clientserver database architecture. The client side libraries are compiled into the application and then communicate with the server component identified as the c tree. ACE Server in Fair. Com parlance. The c tree. ACE Express package that Fair. Com makes freely available for development via its web site supports only this model. Fair. Com offers licenses to the server component for both ISAM servers supporting the ISAM and c tree. DB APIs and SQL servers supporting all APIs, including SQL. Embedded servereditThis model is the same as the clientserver model above, but the entire server engine can be dynamically linked directly with the application. When practical, this approach can be beneficial by avoiding interprocess communication between the client and server. The communication instead takes place across the stack. StandaloneeditIn the standalone models, there is no separate server process to which applications communicate. Instead, a standalone library is built using c tree. ACE and linked to the application. Paginas Para Descargar Musica Flamenco. Data management operations are performed via one of the record oriented APIs which then use the native runtime library routines. Both single user and multiuser libraries can be built with c tree. ACE. The multiuser support is a shared file mode implementation where the operating system provides the locking rather than the server process. Resource contention can become an issue with the standalone multiuser model as concurrency requirements and network operations increase. The features available with these models are significantly limited as compared to the clientserver model. Neither the single user nor multiuser standalone models support SQL APIs, stored procedures, triggers, user defined functions, replication, realtime backup, automatic recovery, encryption,9 memory files, or partitioned files. Although there is support for transaction processing and dataindex caching with the single user libraries, there is no support with the multiuser libraries. A hybrid model exists that Fair. Com calls LOCLIB which allows a client to perform both local data storage via a standalone library as well as clientserver access. Platformseditc tree. ACE natively supports the following operating systems 1. HistoryeditThe product was originally developed by Dr. William Fairman1. File Handler in 1. The name originated from the fact that c tree was an implementation of a B tree written for the then burgeoning microcomputer market in the C programming language. The original clientserver architecture was introduced in 1. At that time, the clientserver version supported only the ISAM API. The c tree DB and SQL APIs were introduced later, in 2. The product underwent a name change in 1. Plus version 6 and then again in 2. ACE Advanced Core Engine version 9. Along with the name change in 2. ACE Express. 1. 4c tree. ACE now spans over 1. Fortune 1. 00 companies. ReferenceseditExternal linksedit. SQLite Data Access Components Lite. DAC for Delphi. Lite. DAC provides possibility of cross platform development using various IDEs RAD. Studio, Delphi, CBuilder, Lazarus and FPC on Windows, Mac OS X, i. OS, Android. Linux, and Free. BSD for both x. 86 and x. Lite. DAC also provides support. Fire. Monkey platform, which allows you to develop visually spectacular high performance.