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HSAM stands for ……….

A. Hierarchic Standard Access Method

B. Hierarchic Sequential Access Method

C. Hierarchic Sequential and Method

D. Hierarchic Standard and Method

Correct Answer : B.


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  1. Which normal form is considered adequate for normal relational database design?
  2. Manager salary details are hidden from the employee .This is
  3. Which of the following is not a consequence of non-normalized database?
  4. _____ command can be used to modify a column in a table
  5. In SQL the word natural can be used with
  6. Whenever two independent one-to-many relationships are mixed in the same relation, a __________ arises.
  7. In a relational schema, each tuple is divided into fields called
  8. By ______ an area on disk in certain ways, one can make it represent a bit value of either zero (0)…
  9. The cost of reading and writing temporary files while evaluating a query can be reduced by
  10. What is a disjoint less constraint?
  11. The one guideline to be followed while designing the database is
  12. Precedence graphs help to find a
  13. The keyword to eliminate duplicate rows from the query result in SQL is
  14. Change Staff table by removing default of Assistant for position column
  15. The data models defined by ANSI/SPARC architecture are
  16. If an entity can belong to only one lower level entity then the constraint is
  17. Which of the following relational algebraic operations is not from set theory?
  18. The graphical representation of a query is .
  19. According to the levels of abstraction, the schema at the intermediate level is called
  20. When an E-R diagram is mapped to tables, the representation is redundant for
  21. Which of the following is true for network structure?
  22. Between DRAM and magnetic disk storage another form of memory, called ______ memory is becoming common…
  23. Maximum height of a B+ tree of order m with n key values is
  24. The clause alter table in SQL can be used to
  25. In SQL the statement select * from R, S is equivalent to
  26. The ______ indexes are forced to store only record IDs in the data structure and require at least one…
  27. In an ER model,_____ is described in the database by storing its data.
  28. What are the desirable properties of a decomposition
  29. Which of the following aggregate functions does not ignore nulls in its results?.
  30. If the closure of an attribute set is the entire relation then the attribute set is a