Database Programming

What are the differences between different types of Database Management Systems?

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September 14, 2011 9:25AM

DBMS stands for Database Management System which is a general term for a set of software dedicated to controlling the storage of data.

RDMBS stand for Relational DataBase Management System. This is the most common form of DBMS. Invented by E.F. Codd, the only way to view the data is as a set of tables. Because there can be relationships between the tables, people often assume that is what the word "relational" means. Not so. Codd was a mathematician and the word "relational" is a mathematical term from the science of set theory. It means, roughly, "based on tables".

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DBMS includes the theritical part that how datas are stored in a table.It does not relates tables with another. While RDBMS is the procedural way that includes SQL syntaxes for relating tables with another and handling datas stored in tables.

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1)rdbms is object based database management system while dbms 2)rdbms can maintain at many users at same time while dbms not 2)in rdbms is relation is more important than object itself while dbms entity is more important

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The main advantage of an RDBMS is that it checks for referential integrity (relationship between related records using Foreign Keys). You can set the constraints in an RDMBS such that when a paricular record is changed, related records are updated/deleted automatically.

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ORDBMS = ODBMS + RDBMS = (O + R) * DB * MS. On a logical level, an ORDBMS is the MS process methods applied for DB data structure, which is complied with O object and R relational concepts.

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A database has to be persistent, meaning that the information stored in a database has to continue to exist even after the application(s) that saved and manipulated the data have ceased to run. A database also has to provide some uniform methods that are not dependent on a specific application for accessing the information that is stored inside the database.

An RDBMS is a Relational Data Base Management System. This adds the additional condition that the system supports a tabular structure for the data, with enforced relationships between the tables.

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the difference is dbms has no tables

while rdbms has and also it describes

about the relationships among the tables

dbms for small organisatiions

where rdbms for large amonut of data

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the difference between dbms and rdbms is that it doesn't show the relation while rdbms show the relation and moreover dbms is for small organisations where rdbms for large amount of data

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In DBMS all the tables are treated as different entities. There is no relation established among these entities. But the tables in RDBMS are dependent and the user can establish various integrity constraints on these tables so that the ultimate data used by the user remains correct.

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In DBMS there are entity sets in the form of tables but relationship among them is not defined while in RDBMS in each entity is well defined with a relationship set so as retreive our data fast and easy.

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In DBMS tables are not related. In RDBMS tables are related

In DBMS only one user can access the same database, at the same time. In RDBMS many users simultaneously access the same database

RDBMS is more secure than DBMS

In DBMS store and retrieve small amount of Data In RDBMS store and retrieve large amount of Data

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DBMS :

- Set of data and tools to manage those data. - Will not support RELATION SHIP between data. - Ex : - Foxpro data files and earlier Ms Access.

RDBMS :

- Same as DBMS - Will Support RELATION SHIP between Tables. - Ex : - ORACLE,SQL 2000,DB 2 ...

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dbms support 6 rules which were proposed by the developer of dbms and where as rdbms follows 8 rules which were proposed by the developer of rdbms.

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1. dbms is a single user system rdbms is a multiuser system 2. dbms stores do not store data in the form of tables while rdbms stores it in the form of tables. 3. most of dbms are not supporting client/server architecture as it is supported by rdbms. 4. most dbms do not support distributed databases

DBMS - Database MAnagement System

Different types of dbms

1.DBMS simple databses management system , dbms does not support codd rules more than 5/6 rules.

2.RDBMS like sql server,mysql . Rdbms support more than 7 codd rules

3. ORDBMS like oracle 9i or later version

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DBMS refers to DataBase Management System

and relatioonal data structure is the way of organizing the data stored so that each attribute is related to one another and that's y they are used for geographic information storing purposes.

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A Database Management System (DBMS) is a set of computer programs that controls the creation, maintenance, and the use of the database in a computer platform or of an organization and its end users. It allows organizations to place control of organization-wide database development in the hands of database administrators (DBAs) and other specialists. DBMSs may use any of a variety of database models, such as the network model or relational model. In large systems, a DBMS allows users and other software to store and retrieve data in a structured way. It helps to specify the logical organization for a database and access and use the information within a database. It provides facilities for controlling data access, enforcing data integrity, managing concurrency controlled, restoring database.

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well, DBMS differences depends upon many aspects likewise: Vendors, Security, Easy to access(UI) etc..

according to my opinion based on security ORACLE is far better than others..