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  2. Noguchi table - Wikipedia

    en.wikipedia.org/wiki/Noguchi_table

    The Noguchi table is a piece of modernist furniture first produced in the mid-20th century. Introduced by Herman Miller in 1947, it was designed in the United States by Japanese American artist and industrial designer Isamu Noguchi. The Noguchi table comprises a wooden base composed of two identical curved wood pieces, and a heavy plate glass top.

  3. Database design - Wikipedia

    en.wikipedia.org/wiki/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. A database management system manages the data accordingly.

  4. Database normalization - Wikipedia

    en.wikipedia.org/wiki/Database_normalization

    Normalization is a database design technique, which is used to design a relational database table up to higher normal form. The process is progressive, and a higher level of database normalization cannot be achieved unless the previous levels have been satisfied.

  5. 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 ...

  6. Database schema - Wikipedia

    en.wikipedia.org/wiki/Database_schema

    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 ). The formal definition of a database schema is a set of formulas (sentences) called integrity constraints imposed on a database. [citation needed]

  7. Page table - Wikipedia

    en.wikipedia.org/wiki/Page_table

    A page table is a data structure used by a virtual memory system in a computer to store mappings between virtual addresses and physical addresses. Virtual addresses are used by the program executed by the accessing process, while physical addresses are used by the hardware, or more specifically, by the random-access memory (RAM) subsystem.

  8. Table (database) - Wikipedia

    en.wikipedia.org/wiki/Table_(database)

    A table is a collection of related data held in a table format within a database. It consists of columns and rows . In relational databases , and flat file databases , a table is a set of data elements (values) using a model of vertical columns (identifiable by name) and horizontal rows , the cell being the unit where a row and column intersect ...

  9. Graph database - Wikipedia

    en.wikipedia.org/wiki/Graph_database

    A graph database ( GDB) is a database that uses graph structures for semantic queries with nodes, edges, and properties to represent and store data. [1] A key concept of the system is the graph (or edge or relationship ). The graph relates the data items in the store to a collection of nodes and edges, the edges representing the relationships ...

  10. Dimension (data warehouse) - Wikipedia

    en.wikipedia.org/wiki/Dimension_(data_warehouse)

    A dimension table in an OLAP cube with a star schema. A dimension is a structure that categorizes facts and measures in order to enable users to answer business questions. Commonly used dimensions are people, products, place and time. [1] [2] (Note: People and time sometimes are not modeled as dimensions.)

  11. Database model - Wikipedia

    en.wikipedia.org/wiki/Database_model

    A database model is a type of data model that determines the logical structure of a database. It fundamentally determines in which manner data can be stored, organized and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.