logo

CuriousTab

CuriousTab

Discussion


Home Computer Science Database Systems Comments

  • Question
  • Sort/report generators


  • Options
  • A. are faster than index/report generators
  • B. require more disk space than index/report generators
  • C. do not need to sort before generating a report
  • D. both (a) and (b)
  • E. None of the above

  • Correct Answer
  • require more disk space than index/report generators 


  • Database Systems problems


    Search Results


    • 1. Primitive operations common to all record management systems include

    • Options
    • A. Print
    • B. Sort
    • C. Look-up
    • D. All of the above
    • E. None of the above
    • Discuss
    • 2. After you _____ a record, many data management the environments require you to issue a command to save the changes you made.

    • Options
    • A. Delete
    • B. Update
    • C. Sort key
    • D. Index
    • E. None of the above
    • Discuss
    • 3. In SQL, which command(s) is(are) used to enable/disable a database trigger?

    • Options
    • A. MODIFY USER
    • B. CHANGE USER
    • C. ALTER TRIGGER
    • D. All of the above
    • E. None of the above
    • Discuss
    • 4. When using a database management system, the first thing that you must do is to

    • Options
    • A. create a database file
    • B. activate file editor
    • C. load the software into your micro¬computer
    • D. keep a floppy disk in readiness
    • E. None of the above
    • Discuss
    • 5. A form defines

    • Options
    • A. where data is placed on the screen
    • B. the width of each field
    • C. both (a) and (b)
    • D. All of the above
    • E. None of the above
    • Discuss
    • 6. In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent.

    • Options
    • A. Network database
    • B. Relational database
    • C. Distributed database
    • D. Hierarchical database
    • E. None of the above
    • Discuss
    • 7. In SQL, which command is used to add new rows to a table?

    • Options
    • A. ALTER TABLE
    • B. ADD ROW
    • C. INSERT
    • D. APPEND
    • E. None of the above
    • Discuss
    • 8. In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction?

    • Options
    • A. ZIP
    • B. PACK
    • C. COMMIT
    • D. SAVE
    • E. None of the above
    • Discuss
    • 9. The highest level in the hierarchy of data organization is called

    • Options
    • A. data bank
    • B. database
    • C. data file
    • D. data record
    • E. None of the above
    • Discuss
    • 10. A network schema

    • Options
    • A. restricts the structure to a one-to-many relationship
    • B. permits many-to-many relation¬ships
    • C. stores data in tables
    • D. All of the above
    • E. None of the above
    • Discuss


    Comments

    There are no comments.

Enter a new Comment