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  2. Database design - Wikipedia

    en.wikipedia.org/wiki/Database_design

    Database design. 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.

  3. Entity–relationship model - Wikipedia

    en.wikipedia.org/wiki/Entity–relationship_model

    Entity–relationship model. An entity–attribute-relationship diagram for an MMORPG using Chen's notation. An entity–relationship model (or ER model) describes interrelated things of interest in a specific domain of knowledge. A basic ER model is composed of entity types (which classify the things of interest) and specifies relationships ...

  4. Bangladesh Technical Education Board - Wikipedia

    en.wikipedia.org/wiki/Bangladesh_Technical...

    The Bangladesh Technical Education Board is a state regulatory board responsible for monitoring and developing technical and vocational education in the secondary level (SSC), 2-year higher secondary level (HSC/Vocational), 4-year Diploma in Agriculture, 4-year Diploma in Engineering degree and 4-year Diploma in Medical Technology degree throughout the People's Republic of Bangladesh. [1]

  5. Object–relational database - Wikipedia

    en.wikipedia.org/wiki/Object–relational_database

    Object–relational database. An object–relational database ( ORD ), or object–relational database management system ( ORDBMS ), is a database management system (DBMS) similar to a relational database, but with an object-oriented database model: objects, classes and inheritance are directly supported in database schemas and in the query ...

  6. Loudspeaker - Wikipedia

    en.wikipedia.org/wiki/Loudspeaker

    The term loudspeaker may refer to individual transducers (also known as drivers) or to complete speaker systems consisting of an enclosure and one or more drivers.. To adequately and accurately reproduce a wide range of frequencies with even coverage, most loudspeaker systems employ more than one driver, particularly for higher sound pressure level or maximum accuracy.

  7. Relational database - Wikipedia

    en.wikipedia.org/wiki/Relational_database

    Relational database. A relational database ( RDB[ 1]) is a database based on the relational model of data, as proposed by E. F. Codd in 1970. [ 2] A database management system used to maintain relational databases is a relational database management system ( RDBMS ). Many relational database systems are equipped with the option of using SQL ...

  8. Data-flow diagram - Wikipedia

    en.wikipedia.org/wiki/Data-flow_diagram

    Data-flow diagram. A data-flow diagram is a way of representing a flow of data through a process or a system (usually an information system ). The DFD also provides information about the outputs and inputs of each entity and the process itself. A data-flow diagram has no control flow — there are no decision rules and no loops.

  9. Outcomes theory - Wikipedia

    en.wikipedia.org/wiki/Outcomes_theory

    This diagram identifies seven different building-blocks of outcomes systems. These building-blocks are analogous to the building-blocks that make up accounting systems (e.g. general ledger, assets register). In the case of an outcomes system they are a different set of building-blocks which are necessary for outcomes systems to function properly.