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Apache Flex, formerly Adobe Flex, is a software development kit (SDK) for the development and deployment of cross-platform rich web applications based on the Adobe Flash platform. Initially developed by Macromedia and then acquired by Adobe Systems , Adobe donated Flex to the Apache Software Foundation in 2011 [ 2 ] and it was promoted to a top ...
Flex was written in C around 1987 [1] by Vern Paxson, with the help of many ideas and much inspiration from Van Jacobson. Original version by Jef Poskanzer. The fast table representation is a partial implementation of a design done by Van Jacobson. The implementation was done by Kevin Gong and Vern Paxson. [11]
A physical data model (or database design) is a representation of a data design as implemented, or intended to be implemented, in a database management system. In the lifecycle of a project it typically derives from a logical data model , though it may be reverse-engineered from a given database implementation.
Database design is the organization of data according to a database model. The designer determines what data must be stored and how the data elements interrelate. With this information, they can begin to fit the data to the database model. [1] A database management system manages the data accordingly.
DataFlex has lasted many years as a niche application development environment. The DataFlex product supports many relational database environments: Oracle database, Microsoft SQL Server, IBM Db2, MySQL, PostgreSQL and any ODBC database. DataFlex applications are used by around 3 million users.
Even an extreme database-centric architecture called RDBMS-only architecture [6] [7] has been proposed, in which the three classic layers of an application are kept within the RDBMS. This architecture heavily uses the DBPL (Database Programming Language) of the RDBMS. An example of software with this architecture is Oracle Application Express ...
FLEX (protocol), a communication protocol for pagers; Flex, a family of automatic test equipment produced by Teradyne; FLEx, a piece of software used in language documentation; Flex (lexical analyser generator), a lexical analyser generator and a free software alternative to lex; Flex machine, a computer developed by RSRE in the 1980s
Evolutionary database design involves incremental improvements to the database schema so that it can be continuously updated with changes, reflecting the customer's requirements. People across the globe work on the same piece of software at the same time hence, there is a need for techniques that allow a smooth evolution of database as the ...