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so did u actually figure out some thing!
what is the difference between hirarchical,network and relational database model?
An RDBMS is a general term for a relational database system and Sybase is a specific product which implements a relational database.
Third generation of database design theory. DBMS: Database Management System RDBMS: Relational Database Management System OODBMS: Object Oriented Database Management System
Relational Database Management System. A type of DBMS in which the database is organized and accessed according to the relationships between data values. The RDBMS was invented by a team lead by Dr. Edmund F. Codd and funded by IBM in the early 1970's. The Relational Model is based on the principles of relational algebra. Example RDBMS Systems: Oracle, SQL Server, DB2, Sybase, etc. ODBMS Object-oriented Database Management System. A special type of DBMS where data is stored in objects using object oriented techniques eg: IRIS,Orion,O2. If you find the info useful. Please vote!!!
A flat-table database is one that uses a single table to store all relevant data. By contrast, a relational database uses several tables to store relevant data, and then establishes 'relations' between them using unique identifiers ... such as primary keys and foreign keys. Flat-table databases are ok if the data is not too complex or repetitive. Relational databases are good when the data is complex and repetative. For example: Keeping track of a personal music CD collection - if one is lazy - can simply be done in a flat-table database table (or a spread sheet). It can also be done in a relational database by creating a few tables and relating them. One table can be artist (with a primary key), another table can be album (relates to a single artist primary key), and a third can be a record label table (which can relate to many artist primary keys). This is a very high-level view of the differences. I .
the database management system analysis the data or record but relational database management system links the database to each other.
Oracle is an RDBMS aka Relational Database Management System and SQL (Structured Query Language) is a programming language.
Oracle is an RDBMS aka Relational Database Management System and SQL (Structured Query Language) is a programming language.
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Tables are the basic building blocks of a relational database.
A relational database is a type of database, so in one sense there is no difference. There are various kinds of database. A relational database is one type. Others include network and hierarchical.
In a Object Oriented Database, information is given in the form of objects as used in programming languages. "When database capabilities are combined with object programming language capabilities, the result is an object database management system (ODBMS). An ODBMS makes database objects appear as programming language objects in one or more object programming languages." (http://en.wikipedia.org/wiki/Object_database)"A relational database is a database that conforms to the relational model, and refers to a database's data and schema (the database's structure of how those data are arranged). Common usage of the term "Relational database management system" technically refers to the software used to create a relational database, but sometimes mistakenly refers to a relational database." (http://en.wikipedia.org/wiki/Relational_database)
DBMS stands for "Database Management Systems" it includes all Databases. RDBMS are a special Type of DMBS. "Relational Database Management Systems". On RDBMS you have Tables. Some Tables have are in relation to other Tables. This is needed to organize complex Data. Systems like MySQL, MS Access or MS SQLServer are RDBMS. Other Types are: ODBMS - Object Database Management System ORDBMS - Object Relational Database Management System HDBMS - Hirarchical Database Management System NDBMS - Network Database Management System
Oracle is a database. Oracle is a Relational Database Management System which is a specialized implementation of a database. It is designed to hold data that is related to one another and organized in the form of schemas and tables.
what is the difference between hirarchical,network and relational database model?
Database = Generic name for a system to store data Relational Database = A specific type of database that utilizes relationships between data to not only store the data but further its efficiency in its manipulation.