What is the difference between DBMS and RDBMS

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After reading some answers on different websites I am confused now  So  it would be helpful to mention the key difference between DBMS and RDBMS and any relation between them

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There are other database systems  such as document stores  key value stores  columnar stores  object oriented databases  These are databases too but they are not based on relations  relational theory  ie they are not relational database systems   So there are lot of differences  Database management system is the name for all databases

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A DBMS is used for storage of data in files  In DBMS relationships can be established between two files  Data is stored in flat files with metadata whereas RDBMS stores the data in tabular form with additional condition of data that enforces relationships among the tables  Unlike RDBMS  DBMS does not support client server architecture  RDBMS imposes integrity constraints and also follows normalization which is not supported in DBMS

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DBMS  is a software system that allows Defining  Creation  Querying  Update  and Administration of data stored in data files   Features    Normal book keeping system  Flat files  MS Excel  FoxPRO  XML  etc  Less or No provision for  Constraints  Security  ACID rules  users  etc    RDBMS  is a DBMS that is based on Relational model that stores data in tabular form    SQL Server  Sybase  Oracle  MySQL  IBM DB2  MS Access  etc    Features    Database  with Tables having relations maintained by FK DDL  DML Data Integrity  amp  ACID rules Multiple User Access Backup  amp  Restore Database Administration

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DBMS is the software program that is used to manage all the database that are stored on the network or system hard disk  whereas RDBMS is the database system in which the relationship among different tables are maintained

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DBMS   Data Base Management System        for storage of data and efficient retrieval of data   Eg  Foxpro   1 A DBMS has to be persistent  it should be accessible when  the program created the data donot exist or even the  application that created the data restarted     2  DBMS has to provide some uniform methods independent of a  specific application for accessing the information that is  stored    3 DBMS does not impose any constraints or security with  regard to data manipulation  It is user or the programmer  responsibility to ensure the ACID PROPERTY of the database   4 In DBMS Normalization process will not be present   5 In dbms no relationship concept   6 It supports Single User only   7 It treats Data as Files internally   8 It supports 3 rules of E F CODD out off 12 rules   9 It requires low Software and Hardware Requirements    FoxPro  IMS are Examples   RDBMS  Relational Data Base Management System        the database which is used by relations tables  to  acquire information retrieval  Eg  oracle  SQL      1 RDBMS is based on relational model  in which data is  represented in the form of relations  with enforced  relationships between the tables    2 RDBMS defines the integrity constraint for the purpose of  holding ACID PROPERTY    3 In RDBMS  normalization process will be present to check  the database table cosistency   4 RDBMS helps in recovery of the database in case of loss of  data   5 It is used to establish the relationship concept between two database objects  i e  tables   6 It supports multiple users   7 It treats data as Tables internally   8 It supports minimum 6 rules of E F CODD   9 It requires High software and hardware

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DBMS stands for  Database Management Systems  it includes all Databases  RDBMS are a special Type of DMBS   R in RDBMS implies that the database uses the Relational model  a collection of related tables in the relational model makes up a database DBMS is used for simple and small application while RDBMS is used for applications with a huge database DBMS are for smaller organizations where security is not concerned i e  DBMS does not impose any constraints  while RDBMS is quitely opposite  RDBMS define the integrity constraint for the purpose of holding ACID PROPERTY

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From Wikipedia      A database management system  DBMS  is a computer software application that interacts with the user  other applications  and the database itself to capture and analyze data  A general-purpose DBMS is designed to allow the definition  creation  querying  update  and administration of databases     There are different types of DBMS products  relational  network and hierarchical  The most widely commonly used type of DBMS today is the Relational Database Management Systems  RDBMS   DBMS    A DBMS is a storage area that persist the data in files  There are limitations to store records in a single database file   DBMS allows the relations to be established between 2 files  Data is stored in flat files with metadata  DBMS does not support client   server architecture  DBMS does not follow normalization  Only single user can access the data  DBMS does not impose integrity constraints  ACID properties of database must be implemented by the user or the developer   RDBMS    RDBMS stores the data in tabular form  It has additional condition for supporting tabular structure or data that enforces relationships among tables  RDBMS supports client server architecture  RDBMS follows normalization  RDBMS allows simultaneous access of users to data tables  RDBMS imposes integrity constraints  ACID properties of the database are defined in the integrity constraints    Have a look at this article for more details

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Since this question become popular on Stack Overflow  I am posting an answer which answers this question for me  I found this answer on udemy website  Hope this will help future users and newbies searching for a good answer on this topic   Key Difference between DBMS and RDBMS  The key difference is that RDBMS  relational database management system  applications store data in a tabular form  while DBMS applications store data as files  Does that mean there are no tables in a DBMS  There can be  but there will be no    relation    between the tables  like in a RDBMS  In DBMS  data is generally stored in either a hierarchical form or a navigational form  This means that a single data unit will have one parent node and zero  one or more children nodes  It may even be stored in a graph form  which can be seen in the network model  In a RDBMS  the tables will have an identifier called primary key  Data values will be stored in the form of tables  The relationships between these data values will be stored in the form of a table as well   Every value stored in the relational database is accessible  This value can be updated by the system  The data in this system is also physically and logically independent  You can say that a RDBMS is an extension of a DBMS  even if there are many differences between the two  Most software products in the market today are both DBMS and RDBMS compliant  Essentially  they can maintain databases in a  relational  tabular form as well as a file form  or both  This means that today a RDBMS application is a DBMS application  and vice versa  However  there are still major differences between a relational database system for storing data and a plain database system

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Every RDBMS is a DBMS  but the opposite is not true  RDBMS is a DBMS which is based on the relational model  but not every DBMS must be relational   However  since RDBMS are most common  sometimes the term DBMS is used to denote a DBMS which is NOT relational  It depends on the context

[rdbms] What is the difference between DBMS and RDBMS?

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