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DBMS Queries_22042021

Quiz by Asst.Prof.,CSE Vel Tech, Chennai

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5 questions
Show answers
  • Q1
    Which of the following is generally used for performing tasks like creating the structure of the relations, deleting relation?
    Relational Schema
    Query
    DML(Data Manipulation Language)
    DDL(Data Definition Language)
    30s
  • Q2
    Which of the following provides the ability to query information from the database and insert tuples into, delete tuples from, and modify tuples in the database?
    Query
    Relational Schema
    DDL(Data Definition Language)
    DML(Data Manipulation Language)
    30s
  • Q3
    Which one of the following given statements possibly contains the error?
    select empid from emp;
    select * from emp where empid = 10003;
    select empid from emp where empid = 10006;
    select empid where empid = 1009 and Lastname = 'GELLER';
    30s
  • Q4
    To which of the following the term "DBA" referred?
    Data Bank Administrator
    Data Administrator
    Database Administrator
    None of the above
    30s
  • Q5
    Which of the following refers to the number of tuples in a relation?
    Cardinality
    Column
    None of the above
    Entity
    30s

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