RDB <Relational database>

Alias:
relational database and relational database
Field:
Software > database > RDB

One of data management systems. In addition, the database which is designed on the basis of the system. You have followed to the theory of the relational data model which is lectured Edgar F of the IBM corporation. by Codd in 1970. The system which is displayed in the chart which expresses the data of 1 cases is called the data aggregate the table plural items (field) as gathering. Making use of the data which becomes the key of ID number and name etc, it is possible to do the connection and extraction of the data easily. With database of small-to-medium-sized scale the most general method. In operation of the database using the language which is called SQL general.

RDBMS <Relational database management system>

Reading: Earl D B m s
Full spelling: Relational DataBase Management System
Field:
Software > database > RDBMS

The software which manages the relational database. The relational database, it expresses the data of 1 cases plural items (field) as gathering, with the system which is displayed in the chart which is called the data aggregate the table, making use of the data which becomes the key of ID number and name etc, it is possible to do the connection and extraction of the data easily. As a database to be widest the system which has spread. As for the RDBMS market, in the large-scale system “Oracle” of the Oracle corporation, in the small-scale system “Access” of the Microsoft corporation, has occupied the majority of the respective markets.

RDF

Reading: Earl D f
Full spelling: Resource Description Framework
Field:
Expression of information > markup language > XML > RDF

Framework information concerning information (the meta data) concerning expression method. As for the information which is described with RDF with those as in the books catalog in the book, it is possible to assure automation such as classification and search of information which the computer handles improvement of efficiency. The NETSCAPE Communications corporation bought MCF which is proposed by the Apple corporation improving to those which designate XML as the base, proposed to standardization group W3C. It became formal advice in 1999 February.

RDF Site Summary <RSS>

Alias:
Really Simple Syndication
Field:
WWW > Sight > [burogu] > RDF Site Summary

Structuring the meta data of the index and summary etc of the Web sight, the XML based format which you describe. Although information of renewal of the sight is released mainly, it is used.

Is produced the fact that title, address, the index, summary and renewal time etc of each page of the Web sight are described to the document which is described with RSS. By the fact that the RSS document is used, to grasp efficiently with standardized method it is possible the information of renewal of the many Web sight.

Taking in the RSS information of the sight which it appoints, the antenna which forms the Web page which collected renewal circumstance (round) software and [teitsukasohuto] etc which indicates the information of renewal of the sight which is appointed to the desktop are developed. In addition, with the news sight and the prominent web log and the like, the place where information of renewal is released with RSS increases.

RDO

Reading: Earl D o
Full spelling: Remote Data Objects
Field:
Windows > Programming > RDO
Software > database > RDO

The Microsoft corporation offers, through ODBC, the program part in order to operate the database. Calling from the program which with Visual Basic and the like is described, it utilizes. Because ODBC can be utilized in the form of OLE automation, it is possible, to call from various programming languages, in addition, if the database which corresponds to ODBC it is possible to operate with anything.