Database
Database A database is an organized collection of data. The ... use, to the extent that the European Database Directive (which creates intellectual property rights for ... others. One possible definition is that a database is a collection of records stored in ... program used to manage and query a database is known as a database management ...
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Schema
Schema The word schema comes from the Greek word "σχ ... refers to a loosely described plan, a schema usually refers to specific, well documented, and ... are used as the plural form of "schema". The word schema can represent any of several different ...
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Database (Psychology wiki)
Database Home Support Help Site Support Orientation Background ... Exp. design Stats. tests Stats course A database is an organized collection of data. The ... use, to the extent that the European Database Directive (which creates intellectual property rights for ... others. One possible definition is that a database is a collection of records stored in ... program used to manage and query a database is known as a database management ...
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Database normalization
Database normalization This article is in need of ... this article or section may require cleanup. Database normalization is a process of eliminating duplicated data in a relational database. The key idea is to relate pieces ... methods for quantifying "how normalized" a relational database is, and these classifications are called normal ... Though algorithms exist for converting a given database between forms, these may require splitting ...
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Dimensional database
Dimensional database A dimensional database is one which, rather than storing data ... multiple two dimensional tables (as a relational database does), represents key data entities as different dimensions. That is, multidimensional database systems offer an extension to the relational ... different dimensions. This intrinsic feature of the database structure will be covered in depth ...
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Object database
Object database An object database is a database in which information is represented in the form of objects. The database management system for an object database is referred to variously as a ...
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Database trigger
Database trigger A database trigger is procedural code that is automatically ... events on a particular table in a database. Triggers can restrict access to specific data ... new record is being inserted into the database). UPDATE event (as a record is being ... END; The major features and effects of database triggers are that they: do not ...
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Star schema
Star schema The star schema (sometimes referenced as star join schema) is the simplest data warehouse schema, consisting of a single "fact table" with ... columns of additive, numeric facts. The star schema makes multi-dimensional database (MDDB) functionality ...
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Database model
Database model Database models Common models Hierarchical Network Relational Object ... Attribute-Value Multi-dimensional Semi-structured Star schema A database model is a theory or specification describing how a database is structured and used. Several such ...
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Conceptual schema
Conceptual schema A conceptual schema, or High-level data model or conceptual ... and their relationships, for example, a conceptual schema for a karate studio would include abstractions ... tournament. The next step towards creating a database design, after a conceptual schema is produced, is a logical schema. ...
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