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  2. System context diagram - Wikipedia

    en.wikipedia.org/wiki/System_context_diagram

    Example of a system context diagram. [1] A system context diagram in engineering is a diagram that defines the boundary between the system, or part of a system, and its environment, showing the entities that interact with it. [2] This diagram is a high level view of a system. It is similar to a block diagram.

  3. ConceptDraw DIAGRAM - Wikipedia

    en.wikipedia.org/wiki/ConceptDraw_DIAGRAM

    ConceptDraw DIAGRAM can import both generations of MS Visio stencils (VSS or VSSX) ConceptDraw DIAGRAM supports the round-trip import and export of the Microsoft Visio 2003 - 2016 file format that is used for MS Visio documents (VSD, VDX, and VSDX formats). ConceptDraw DIAGRAM can import both generations of MS Visio stencils (VSS or VSSX).

  4. Database schema - Wikipedia

    en.wikipedia.org/wiki/Database_schema

    The database schema is the structure of a database described in a formal language supported typically by a relational database management system (RDBMS). The term " schema " refers to the organization of data as a blueprint of how the database is constructed (divided into database tables in the case of relational databases ).

  5. Schema crosswalk - Wikipedia

    en.wikipedia.org/wiki/Schema_crosswalk

    Crosswalk tables are often employed within or in parallel to enterprise systems, especially when multiple systems are interfaced or when the system includes legacy system data. In the context of Interfaces, they function as an internal extract, transform, load (ETL) mechanism.

  6. Data modeling - Wikipedia

    en.wikipedia.org/wiki/Data_modeling

    The database design documented in these schemas is converted through a Data Definition Language, which can then be used to generate a database. A fully attributed data model contains detailed attributes (descriptions) for every entity within it. The term "database design" can describe many different parts of the design of an overall database ...

  7. Conceptual schema - Wikipedia

    en.wikipedia.org/wiki/Conceptual_schema

    A conceptual schema or conceptual data model is a high-level description of informational needs underlying the design of a database. [1] [2] It typically includes only the core concepts and the main relationships among them. This is a high-level model with insufficient detail to build a complete, functional database. [3]

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