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2. 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.

3. Multimedia database - Wikipedia

   en.wikipedia.org/wiki/Multimedia_database

   A Multimedia database ( MMDB) is a collection of related for multimedia data. [1] The multimedia data include one or more primary media data types such as text, images, graphic objects (including drawings, sketches and illustrations) animation sequences, audio and video . A Multimedia Database Management System ( MMDBMS) is a framework that ...

4. Biological database - Wikipedia

   en.wikipedia.org/wiki/Biological_database

   Biological database design, development, and long-term management is a core area of the discipline of bioinformatics. [3] Data contents include gene sequences, textual descriptions, attributes and ontology classifications, citations, and tabular data. These are often described as semi- structured data, and can be represented as tables, key ...

5. Database - Wikipedia

   en.wikipedia.org/wiki/Database

   An SQL select statement and its result. In computing, a database is an organized collection of data or a type of data store based on the use of a database management system ( DBMS ), the software that interacts with end users, applications, and the database itself to capture and analyze the data. The DBMS additionally encompasses the core ...

6. Data orientation - Wikipedia

   en.wikipedia.org/wiki/Column-oriented_DBMS

   Data Orientation refers to how tabular data is represented in a linear memory model such as in-disk or in-memory. The two most common representations are column-oriented (columnar format) and row-oriented (row format). The choice of data orientation is a trade-off and a architectural decision in databases, query engines, and numerical simulations.

7. Relational model - Wikipedia

   en.wikipedia.org/wiki/Relational_model

   Relational model. The relational model ( RM) is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by English computer scientist Edgar F. Codd, [1] [2] where all data is represented in terms of tuples, grouped into relations. A database organized in terms of the ...

8. Comparison of relational database management systems - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_relational...

   Informix v12.10 and later versions support using sharding techniques to distribute a table across multiple server instances. A distributed Informix database has no upper limit on table or database size. Note (13): Informix DECIMAL type supports up to 32 decimal digits of precision with a range of 10 −130 to 10 125. Fixed and variable ...

9. Hierarchical database model - Wikipedia

   en.wikipedia.org/wiki/Hierarchical_database_model

   Hierarchical database model. A hierarchical database model is a data model in which the data are organized into a tree -like structure. The data are stored as records which are connected to one another through links. A record is a collection of fields, with each field containing only one value. The type of a record defines which fields the ...