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Test

Module 7

Catherine Tumanguil 10 preguntas

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Preguntas del test (10)

  1. 11) The relational data model portrays data as being stored in _____.

    1. Aa) Hierarchies
    2. Bb) Objects
    3. Cc) Tables
    4. Dd) Files
  2. 22) How a user conceptually organises and understands data is referred to as the _____.

    1. Aa) Physical view
    2. Bb) Data model view
    3. Cc) Logical view
    4. Dd) Data organisation view
  3. 33) What is each row in a relational database table called?

    1. Aa) Relational
    2. Bb) Anomaly
    3. Cc) Attribute
    4. Dd) Tuple
  4. 44) Which of the following is an individual user’s view of the database?

    1. Aa) Conceptual-level schema
    2. Bb) Internal-level schema
    3. Cc) External-level schema
    4. Dd) Logical-level schema
  5. 55) Which of the following would managers most likely use to retrieve information about sales during the month of October?

    1. Aa) DML
    2. Bb) DDL
    3. Cc) DSL
    4. Dd) DQL
  6. 66) Which of the following attributes would most likely be a primary key?

    1. Aa) Supplier name
    2. Bb) Supplier area code
    3. Cc) Supplier number
    4. Dd) Supplier account balance
  7. 77) Which of the following is a software program that runs a database system?

    1. Aa) DQL
    2. Bb) DML
    3. Cc) DBMS
    4. Dd) DDL
  8. 88) The constraint that all primary keys must have non-null data values is referred to as which of the following?

    1. Aa) Referential integrity rule
    2. Bb) Normalisation rule
    3. Cc) Entity integrity rule
    4. Dd) Relational data model rule
  9. 99) The constraint that all foreign keys must have either null values or the value of a primary key in another table is referred to as which of the following?
    1. Aa) Referential integrity rule
    2. Bb) Foreign key value rule
    3. Cc) Entity integrity rule
    4. Dd) Null value rule
  10. 1010) Which of the following attributes in the Cash receipts table (representing payments received from customers) would most likely be a foreign key?
    1. Aa) Cash receipt number
    2. Bb) Customer number
    3. Cc) Customer cheque number
    4. Dd) Cash receipt date

Información

Descripción
accounting Test sobre Module 7, creado por Catherine Tumanguil el 02/11/2016.
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accounting
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