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2. Database administration - Wikipedia

   en.wikipedia.org/wiki/Database_administration

   Database administration is the function of managing and maintaining database management systems (DBMS) software. Mainstream DBMS software such as Oracle , IBM Db2 and Microsoft SQL Server need ongoing management.

3. Database administrator - Wikipedia

   en.wikipedia.org/wiki/Database_administrator

   A database administrator (DBA) manages computer databases. [1] The role may include capacity planning , installation , configuration , database design , migration , performance monitoring, security , troubleshooting , as well as backup and data recovery .

4. Database Management Library - Wikipedia

   en.wikipedia.org/wiki/Database_Management_Library

   Database Management Library (DBL) is a relational database management system (RDBMS) contained in a C++ programming library. The DBL source code is available under the terms of the GNU General Public License. DBL was fully developed within two weeks, as a holiday programming project. It aims to be easy and simple to use for C++ programming.

5. SQL - Wikipedia

   en.wikipedia.org/wiki/SQL

   SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...

6. Database - Wikipedia

   en.wikipedia.org/wiki/Database

   Formally, a "database" refers to a set of related data accessed through the use of a "database management system" (DBMS), which is an integrated set of computer software that allows users to interact with one or more databases and provides access to all of the data contained in the database (although restrictions may exist that limit access to particular data).

7. Database model - Wikipedia

   en.wikipedia.org/wiki/Database_model

   A given database management system may provide one or more models. The optimal structure depends on the natural organization of the application's data, and on the application's requirements, which include transaction rate (speed), reliability, maintainability, scalability, and cost.

8. Relational database - Wikipedia

   en.wikipedia.org/wiki/Relational_database

   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 (Structured Query Language) for querying and updating the database.

9. Physical schema - Wikipedia

   en.wikipedia.org/wiki/Physical_schema

   Physical schema is a term used in data management to describe how data is to be represented and stored (files, indices, et al.) in secondary storage using a particular database management system (DBMS) (e.g., Oracle RDBMS, Sybase SQL Server, etc.).