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Database Management System (DBMS)                                     "Get Help from Professional Expert now!"

Database management system (DBMS) is computer software used to manage databases. A set of software programs designed to control the organization, management, storage and retrieval of data in databases is termed as database management system. Categorization of DBMS is made based on their data structures or types. Storage, updating and retrieval of databases by using a set of prewritten programs comprise DBMS. After acceptance of requests from the application program, the operating system is instructed by the DBMS to transfer the appropriate data. Using a DBMS, changes to the information systems can be can be instigated much more easily due to a change in an organization's information requirements. Without causing any disruptions to the existing system, DBMSfacilitates incorporation of new categories of data.

Holding of databases using DBMS and related software is achieved through computers known as the Database servers. Database Servers come with the facilities of a generous memory and RAID disk arrays (for a stable storage) and are usually multiprocessor computers. A high-speed channel is used to connect to one or more servers. Large volume transaction processing involves use of hardware database accelerators. DBMS can also be built around a private multitasking kernel with an intrinsic networking support. Operating system looks after these functions of late. DBMSes use a number of database models like the network model or relationalmodel. In large and complicated systems, use of DBMS allows users to store and retrieve data in a systematic and convenient manner.

The various subtopics in Database Management Systems (DBMS) which are addressed can be listed as:
Unit 1
  • Database & database users
  • Characteristics of the database
  • Database systems
  • Concepts and architecture
  • Date models
  • Schemes & instances
  • DBMS architecture & data independence
  • Database languages & interfaces
  • Data modelling using the entity-relationship approach
  • Hierarchical, Network & Relational Database Management Systems
  • Relational model
  • Languages & systems
  • Relational data model
  • Relational model concepts
  • Relational model constraints
  • Relational algebra
  • SQL- a relational database language
  • Date definition in SQL
  • View and queries in SQL
  • Specifying constraints and indexes in SQL
Unit 2
  • Oracle architecture
  • Logical data structures physical data structure
  • Instances
  • Table spaces
  • Types of table spaces
  • Internal memory structure
  • Background processes
  • Data types
  • Roles & privileges
  • Stored procedures
  • User defined functions
  • Cursors
  • Error handling
  • Triggers
Unit 3
  • Relational database design
  • Function dependencies & normalization for relational databases
  • Functional dependencies
  • Normal forms based on primary keys
  • (1NF, 2NF, 3NF & BCNF)
  • Lossless join
  • Dependency preserving decomposition (4NF, 5NF)
  • Domain key normal form
Unit 4
  • Concurrency control & recovery techniques
  • Concurrency control techniques
  • Locking techniques
  • Time stamp ordering
  • Granularity of data items
  • Recovery techniques
  • Recovery concepts
  • Database backup
  • Recovery from catastrophic failures
  • Concepts of object oriented database management systems
  • Distributed Database Management Systems
The prime features associated with Database Management System are:
  • Microsoft SQL Server
  • Oracle and
  • Microsoft Access

TransWebTutors.com provides expert help in DBMSes. With an expertise in data conversion, data warehouse, data integration, data management, databaseapplication, databases, database application, DBMS types, RDBMS (relational DBMS), database design, database systems and database designs, TransWebTutors.com is in a comfortable position to impart quality help in DBMS assignmentsDBMS projects and DBMS online tutoring. With a high-level awareness of tools in object-oriented database systems, database design and database types, tutors at TransWebTutors.com provide peerless assistance to all possible problems related with Database Management Systems (DBMS). TransWebTutors.com enjoys a quantum leap ahead of its peers in providing services related to SQL, Oracle and Microsoft Access as well.


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