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2. 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 ...

3. Centralized database - Wikipedia

   en.wikipedia.org/wiki/Centralized_database

   Centralized database. A centralized database (sometimes abbreviated CDB) is a database that is located, stored, and maintained in a single location. This location is most often a central computer or database system, for example a desktop or server CPU, or a mainframe computer. In most cases, a centralized database would be used by an ...

4. 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 ...

5. Object database - Wikipedia

   en.wikipedia.org/wiki/Object_database

   Object database. An object database or object-oriented database is a database management system in which information is represented in the form of objects as used in object-oriented programming. Object databases are different from relational databases which are table-oriented. A third type, object–relational databases, is a hybrid of both ...

6. Data independence - Wikipedia

   en.wikipedia.org/wiki/Data_independence

   Data independence is the type of data transparency that matters for a centralized DBMS. It refers to the immunity of user applications to changes made in the definition and organization of data. Application programs should not, ideally, be exposed to details of data representation and storage. The DBMS provides an abstract view of the data that ...

7. Multi-model database - Wikipedia

   en.wikipedia.org/wiki/Multi-model_database

   A multi-model database is a database that can store, index and query data in more than one model. For some time, databases have primarily supported only one model, such as: relational database, document-oriented database, graph database or triplestore. A database that combines many of these is multi-model.

8. Database storage structures - Wikipedia

   en.wikipedia.org/wiki/Database_storage_structures

   Database tables and indexes may be stored on disk in one of a number of forms, including ordered/unordered flat files, ISAM, heap files, hash buckets, or B+ trees. Each form has its own particular advantages and disadvantages. The most commonly used forms are B-trees and ISAM. Such forms or structures are one aspect of the overall schema used ...

9. Data orientation - Wikipedia

   en.wikipedia.org/wiki/Data_orientation

   Data orientation. 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). [1] [2]