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Dbms & rdbms

Discussion in 'Database' started by kasturi, Jan 20, 2011.

  1. kasturi

    kasturi New Member

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    what are the database pacakages available now for DBMS & RDBMS ?
     
  2. kumarmannu

    kumarmannu Banned

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    A database is a software application that enables the storage of data. Within database architecture there are different theories and implementations for storing the physical data. A relation database management system (RDBMS) is a database that stores data in tables with relationships to other tables. In comparison, a database management system (DBMS) does not require the definition of relationships between tables. Both DBMS and RDBMS are models for storing information in a physical database.
     
  3. shabbir

    shabbir Administrator Staff Member

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    How does that answer the OP question?
     
  4. aman1

    aman1 Banned

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    DBMS is the collection of the data in main memory then it is called data base management system. then RDBMS is the collection in the table.
     
  5. todd12345

    todd12345 New Member

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    A database management system (DBMS) is system software for creating and managing databases. The DBMS provides users and programmers with a systematic way to create, retrieve, update and manage data.
    RDBMS stands for Relational Database Management System. RDBMS data is structured in database tables, fields and records. Each RDBMS table consists of database table rows. Each database table row consists of one or more database table fields.
     
  6. vickya4n

    vickya4n New Member

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    Although DBMS and RDBMS both are used to store information in physical database but there are some remarkable differences between them. The main differences between DBMS and RDBMS
     
  7. Sankalp Patil

    Sankalp Patil New Member

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    RDBMS is a program that lets you create, update, and administer a relational database. Dbms and Rdbms both are used to store information in physical database but they have some differences.
     
  8. JohnAdams

    JohnAdams Member

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    Oracle supplies many PL/SQL packages with the Oracle server to extend functionality of the database and also provide PL/SQL access to SQL features. Most Oracle supplied packages are automatically installed when the database is created. Certain packages are not installed automatically. Some of the DBMS packages:
    DBMS_CDC_SUBSCRIBE
    DBMS_CONNECTION_POOL
    DBMS_CQ_NOTIFICATION
    DBMS_DATA_MINING etc
     
  9. Rohan09

    Rohan09 New Member

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    Programs. A package deal is a gaggle of associated methods and features, together with the cursors and variables they use, saved together within the database for endured use as a unit. Much like standalone approaches and features, packaged strategies and capabilities can also be called explicitly by applications or users.
     
  10. inshah

    inshah New Member

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    What is DBMS?
    A DBMS is a software used to store and manage data. The DBMS was introduced during 1960's to store any data. It also offers manipulation of the data like insertion, deletion, and updating of the data.

    DBMS system also performs the functions like defining, creating, revising and controlling the database. It is specially designed to create and maintain data and enable the individual business application to extract the desired data.

    What is RDBMS?
    Relational Database Management System (RDBMS) is an advanced version of a DBMS system. It came into existence during 1970's. RDBMS system also allows the organization to access data more efficiently then DBMS.

    RDBMS is a software system which is used to store only data which need to be stored in the form of tables. In this kind of system, data is managed and stored in rows and columns which is known as tuples and attributes. RDBMS is a powerful data management system and is widely used across the world.



    Difference between DBMS vs RDBMS
    Parameter
    DBMS
    RDBMS
    Storage
    DBMS stores data as a file.
    Data is stored in the form of tables.
    Database structure
    DBMS system, stores data in either a navigational or hierarchical form.
    RDBMS uses a tabular structure where the headers are the column names, and the rows contain corresponding values
    Number of Users
    DBMS supports single user only.
    It supports multiple users.
    ACID
    In a regular database, the data may not be stored following the ACID model. This can develop inconsistencies in the database.
    Relational databases are harder to construct, but they are consistent and well structured. They obey ACID (Atomicity, Consistency, Isolation, Durability).
    Type of program
    It is the program for managing the databases on the computer networks and the system hard disks.
    It is the database systems which are used for maintaining the relationships among the tables.
    Hardware and software needs.
    Low software and hardware needs.
    Higher hardware and software need.
    Integrity constraints
    DBMS does not support the integrity constants. The integrity constants are not imposed at the file level.
    RDBMS supports the integrity constraints at the schema level. Values beyond a defined range cannot be stored into the particular RDMS column.
    Normalization
    DBMS does not support Normalization
    RDBMS can be Normalized.
    Distributed Databases
    DBMS does not support distributed database.
    RBMS offers support for distributed databases.
    Ideally suited for
    DBMS system mainly deals with small quantity of data.
    RDMS is designed to handle a large amount of data.
    Dr. E.F. Codd Rules
    Dbms satisfy less than seven of Dr. E.F. Codd Rules
    Dbms satisfy 8 to 10 Dr. E.F. Codd Rules
    Client Server
    DBMS does not support client-server architecture
    RDBMS supports client-server architecture.
    Data Fetching
    Data fetching is slower for the complex and large amount of data.
    Data fetching is rapid because of its relational approach.
    Data Redundancy
    Data redundancy is common in this model.
    Keys and indexes do not allow Data redundancy.
    Data Relationship
    No relationship between data
    Data is stored in the form of tables which are related to each other with the help of foreign keys.
    Security
    There is no security.
    Multiple levels of security. Log files are created at OS, Command, and object level.
    Data Access
    Data elements need to access individually.
    Data can be easily accessed using SQL query. Multiple data elements can be accessed at the same time.
    Examples
    Examples of DBMS are a file system, XML, Windows Registry, etc.
    Example of RDBMS is MySQL, Oracle, SQL Server, etc.
    Conclusion

    A DBMS is a software used to store and manage data.
    Relational Database Management System (RDBMS) is an advanced version of a DBMS system
    DBMS system, stores data in either a navigational or hierarchical form
    RDBMS uses a tabular structure where the headers are the column names, and the rows contain corresponding values
    DBMS does not support the integrity constants
    RDBMS supports the integrity constraints at the schema level
    Examples of DBMS are a file system, XML, Windows Registry, etc.
    Example of RDBMS is MySQL, Oracle, SQL Server, etc
     

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