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database management

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  1. Swati Mishra
    Thread

    My 2 Cents The File Organization

    The user used to technique to represent and the store data on a file that is called File organization. These are the various four file...
    Thread by: Swati Mishra, Mar 18, 2016, 2 replies, in forum: Database Management
  2. Swati Mishra
    Thread

    My 2 Cents What Is Query Processor?

    The user retrieves the data by using the query in the data manipulation language provided in the database. The query processor uses the data...
    Thread by: Swati Mishra, Mar 18, 2016, 0 replies, in forum: Database Management
  3. Swati Mishra
    Thread

    My 2 Cents What Are Three Views In The Database?

    The database is the collection of interrelated file and the program which allow the user to access data. These are the three views in the...
    Thread by: Swati Mishra, Mar 18, 2016, 0 replies, in forum: Database Management
  4. Swati Mishra
    Thread

    My 2 Cents Comparison Operator

    There are various comparison operators used in it such as =,>, <,!, ! =, etc. Comparison operator allow row retrieval from a table based on the...
    Thread by: Swati Mishra, Mar 17, 2016, 0 replies, in forum: Database Management
  5. Swati Mishra
    Thread

    My 2 Cents List Operator

    IN and NOT in comes in the list operators. The IN operator that allows the selection of values that match any one of the values in the list. Same...
    Thread by: Swati Mishra, Mar 17, 2016, 2 replies, in forum: Database Management
  6. Swati Mishra
    Thread

    My 2 Cents Range Operator

    The range Operator is used to retrieve data that can be extracted in ranges. The BETWEEN and the NOT BETWEEN are the range operators. The BETWEEN...
    Thread by: Swati Mishra, Mar 17, 2016, 2 replies, in forum: Database Management
  7. Swati Mishra
    Thread

    My 2 Cents The Logical Operators

    Multiple search condition can be combined by using logical operators. These are three logical operators are using in the database. AND: when all...
    Thread by: Swati Mishra, Mar 17, 2016, 2 replies, in forum: Database Management
  8. Swati Mishra
    Thread

    My 2 Cents The Select And The Where Statement

    The SELECT statement is used everywhere in the query with the WHERE statement both are used for the retrieve the information from the database and...
    Thread by: Swati Mishra, Mar 17, 2016, 2 replies, in forum: Database Management
  9. Swati Mishra
    Thread

    My 2 Cents Selecting Columns

    The select statement can be used to retrieve the specific columns from the table by specifying the column name from the table. The column name...
    Thread by: Swati Mishra, Mar 17, 2016, 0 replies, in forum: Database Management
  10. Swati Mishra
    Thread

    My 2 Cents The Select Statement

    The SELECT statement is used to access and retrieve data from a database. The SELECT Statement prompts the server to query a single or multiple...
    Thread by: Swati Mishra, Mar 17, 2016, 2 replies, in forum: Database Management
  11. Swati Mishra
    Thread

    My 2 Cents The Distinct Keyword

    The DISTINCT Keyword removes duplicate rows from the result, it means it will show the result without any repetition of rows, and by default query...
    Thread by: Swati Mishra, Mar 17, 2016, 0 replies, in forum: Database Management
  12. Swati Mishra
    Thread

    My 2 Cents The Top Keyword

    If you want to display the top few rows then use the TOP keyword with the SELECT statement, it will return limited number in the result. Syntax...
    Thread by: Swati Mishra, Mar 17, 2016, 0 replies, in forum: Database Management
  13. Swati Mishra
    Thread

    My 2 Cents Order By Clause

    If you want to retrieve the data from the database and also display the data in specific order then we use the SELECT statement with the order by...
    Thread by: Swati Mishra, Mar 17, 2016, 0 replies, in forum: Database Management
  14. Swati Mishra
    Thread

    Tutorial The Hierarchal Model

    A collection of records which are connected with each other in the form of tree, this is Hierarchical model. Each record is collection of...
    Thread by: Swati Mishra, Mar 17, 2016, 1 replies, in forum: Database Management
  15. krishatg
    Thread

    Help Me/Question What Is Candidate Key, Super Key And Secondary Key?

    Candidate Key : it ensures uniqueness and irreduceability i.e no proper subset of A has the uniqueness property.There could be multiple candidate...
    Thread by: krishatg, Mar 16, 2016, 1 replies, in forum: Database Management
  16. krishatg
    Thread

    Help Me/Question Difference Between Functional Dependency And Fully Functional Dependency?

    Functional Dependency: It is an assosiation between the two attributes of the relation such that one attribute is known as determinant and other...
    Thread by: krishatg, Mar 16, 2016, 1 replies, in forum: Database Management
  17. krishatg
    Thread

    My Experience Codd Rules For Dbms To Qualify As Rdbms.

    Information Rule: states that entire data along with names and column names is represented in the form of table. Access Rule: states that a...
    Thread by: krishatg, Mar 16, 2016, 1 replies, in forum: Database Management
  18. krishatg
    Thread

    My Experience What Are The Various Design Issues Of E-r Diagrams?

    1.Whether to use Entity Set or Attributes: treating something as attribute state that the entity has only 1 telephone number whereas treating...
    Thread by: krishatg, Mar 16, 2016, 2 replies, in forum: Database Management
  19. krishatg
    Thread

    Help Me/Question What Is The Purpose Of Using Data Models?

    Data model is an integrated collection of concept that describes the data, the relationships and the constraints applied on that data.Data model...
    Thread by: krishatg, Mar 16, 2016, 2 replies, in forum: Database Management
  20. krishatg
    Thread

    Help Me/Question What Is The Different Parallel Dbms And Distributed Dbms?

    Parallel DBMS: is the one in which the DBMS is running parallel at each site. There are multiple CPU's and disks for storage in parallel...
    Thread by: krishatg, Mar 16, 2016, 2 replies, in forum: Database Management
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