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CSE MCQs :: JDBC

JDBC -
  1. Which statements about JDBC are true?
    2. A.
    JDBC is an API to connect to relational-, object- and XML data sources
    B.
    JDBC stands for Java DataBase Connectivity
    C.
    JDBC is an API to access relational databases
    D.
    JDBC is an API to bridge the object-relational mismatch between OO programs and relational databases

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  2. Which packages contain the JDBC classes?
    3. A.
    java.jdbc and javax.jdbc
    B.
    java.jdbc and java.jdbc.sql
    C.
    java.sql and javax.sql
    D.
    java.rdb and javax.rdb

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  3. To run a compiled Java program, the machine must have what loaded and running?
    4. A.
    Java virtual machine
    B.
    Java compiler
    C.
    Java bytecode
    D.
    A Web browser

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  4. What is the Life Cycle of Session bean ? Stateless session bean is instantiated by
    5. A.
    newInstance()
    B.
    create()
    C.
    Both of these
    D.
    None

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  5. Which method is used to perform DML statements in JDBC?
    6. A.
    execute()
    B.
    executeQuery()
    C.
    executeUpdate()
    D.
    executeResult()

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  6. The interface ResultSet has a method, getMetaData(), that returns a/an
    7. A.
    Tuple
    B.
    Value
    C.
    Object
    D.
    Result

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  7. Which of the following methods are needed for loading a database driver in JDBC?
    8. A.
    registerDriver() method
    B.
    Class.forName()
    C.
    Both A and B
    D.
    getConnection()

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  8. How can you execute a stored procedure in the database?
    9. A.
    Call method execute() on a CallableStatement object
    B.
    Call method executeProcedure() on a Statement object
    C.
    Call method execute() on a StoredProcedure object
    D.
    Call method run() on a ProcedureCommand object

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  9. _______ is an open source DBMS product that runs on UNIX, Linux and Windows.
    10. A.
    MySQL
    B.
    JSP/SQL
    C.
    JDBC/SQL
    D.
    Sun ACCESS

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  10. Which are the new features adding in to the JDBC 4.0?
    11. A.
    Auto-loading of JDBC driver class
    B.
    Connection management enhancements
    C.
    Support for RowId SQL type
    D.
    All of the above

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