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3 unusual facts about relational database management system


Expression index

An expression index is a database index that is built on a generic expression, rather than on a list of columns.

Oracle RAC

Oracle RAC allows multiple computers to run Oracle RDBMS software simultaneously while accessing a single database, thus providing clustering.

Partial index

In databases, a partial index, also known as filtered index is an index which has some condition applied to it so that it includes a subset of rows in the table.


IBM Business System 12

Business System 12, or simply BS12, was one of the first fully relational database management systems, designed and implemented by IBM's Bureau Service subsidiary at the company's international development centre in Uithoorn, Netherlands.

Ojuba Linux

Ojuba 4 doesn't have Zekr Quranic study tool pre-installed or LibreOffice /OpenOffice.org for word processing, spreadsheets, presentations, graphics, and databases.

Oracle Management Server

In relational database management systems and in the particular context of an Oracle Enterprise Manager (OEM) environment, an Oracle Management Server (OMS) is a software system that functions as a middle tier between Oracle intelligent agents and Oracle management consoles.

Speculative execution

This technique is employed in a variety of areas, including branch prediction in pipelined processors, prefetching memory and files, and optimistic concurrency control in database systems.

Template processor

Moreover, template processing is sometimes included as a sub-feature of software packages like text editors, IDEs and relational database management systems.


see also

Cloudscape

Apache Derby, a relational database management system, previously marketed as Cloudscape

DB2

IBM DB2, in computing, a relational database management system, more recently called a "data server" by IBM

Impedance mismatch

Object-relational impedance mismatch, a set of conceptual and technical difficulties that are often encountered when a relational database management system is being used by a program written in an object-oriented programming language or style