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Employees in a company are each assigned their own office, i.e. for each employee there exists a unique office and for each office there exists a unique employee; This statement is an example of ____ type of relation.

A. 1:1

B. 1: Many

C. Many: One

D. Many : Many

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  3. ______is a special type of integrity constraint that relates two relations & maintains consistency across…
  4. Immediate database modification technique uses
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  6. Change Staff table by removing default of Assistant for position column
  7. A top-to-bottom relationship among the items in a database is established by a
  8. The data models defined by ANSI/SPARC architecture are
  9. ____ table store information about database or about the system.
  10. The cost of reading and writing temporary files while evaluating a query can be reduced by
  11. What are the desirable properties of a decomposition
  12. In a multi-user database, if two users wish to update the same record at the same time, they are prevented…
  13. HSAM stands for ……….
  14. In E-R Diagram total participation is represented by
  15. Which of the following statement on the view concept in SQL is invalid?
  16. Maximum height of a B+ tree of order m with n key values is
  17. The clause in SQL that specifies that the query result should be sorted in ascending or descending order…
  18. The drawback of shadow paging technique are
  19. Dependency preservation is not guaranteed in
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  21. If an entity can belong to only one lower level entity then the constraint is
  22. Processed data is called _____
  23. When an E-R diagram is mapped to tables, the representation is redundant for
  24. The ______ key of a relation is the attribute (column) or collection of attributes, which uniquely identify…
  25. The clause alter table in SQL can be used to
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  27. A _____ is a logical unit of database processing that includes one or more data access operations that…
  28. Relational Algebra is
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