Database design Definitions

  • E

    E. F. Codd (Edgar F. "Ted" Codd)

    E. F. Codd (Edgar F. "Ted" Codd) formed the concepts for organizing and accessing data that are embodied in the relational database, the predominant approach to data organization in today's business world.

  • Oracle extents

    Oracle extents are a set of contiguous blocks allocated in an Oracle database.

  • F

    field

    A field is an area in a fixed or known location in a unit of data such as a record, message header, or computer instruction that has a purpose and usually a fixed size.

  • flexfield

    In an Oracle environment, a flexfield is a database field that has flexibility built into it so that users can define reporting structures that are relevant to their specific organizations.

  • foreign key

    A foreign key is a column or columns of data in one table that connects to the primary key data in the original table.

  • M

    multidimensional database (MDB)

    A multidimensional database (MDB) is a type of database that is optimized for data warehouse and online analytical processing (OLAP) applications. Multidimensional databases are frequently created using input from existing relational databases.

  • O

    object-oriented database management system (OODBMS or ODBMS)

    An object-oriented database management system (OODBMS), sometimes shortened to ODBMS for object database management system), is a database management system (DBMS) that supports the modelling and creation of data as objects.

  • Oracle

    Oracle is one of the largest vendors in the enterprise IT market and the shorthand name of its flagship product, a relational database management system (RDBMS) that's formally called Oracle Database.

  • Oracle Database 12c

    The Oracle Database 12c is a high-performance, enterprise-class database.

  • Oracle Database In-Memory

    Oracle Database In-Memory is an optional add-on to Oracle Database 12c that enables Oracle's flagship relational software to function as an in-memory database.

  • Oracle NoSQL Database

    The Oracle NoSQL Database is Oracle's answer to the non-relational database.

  • Oracle TimesTen In-Memory Database

    The Oracle TimesTen In-Memory Database is an in-memory relational database in which all data is located in random access memory (RAM).

  • Q

    quad tree

    A quad tree is a method of placing and locating files (called records or keys) in a database.

  • R

    record

    In computer data processing, a record is a collection of data items arranged for processing by a program.

  • relational online analytical processing (ROLAP)

    Relational online analytical processing (ROLAP) is a form of online analytical processing (OLAP) that performs dynamic multidimensional analysis of data stored in a relational database rather than in a multidimensional database (which is usually considered the OLAP standard).

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