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When an E-R diagram is mapped to tables, the representation is redundant for

A. weak entity sets

B. weak relationship sets

C. strong entity sets

D. strong relationship sets

You can do it
  1. Data independence means
  2. Which two files are used during operation of the DBMS?
  3. The common column is eliminated in
  4. Processed data is called _____
  5. ______defines the structure of a relation which consists of a fixed set of attribute-domain pairs.
  6. If the closure of an attribute set is the entire relation then the attribute set is a
  7. In SQL, testing whether a subquery is empty is done using
  8. Which of the following is not comparison operator?
  9. DBMS helps achieve
  10. A ____ key specifies a uniqueness constraint that no two distinct tuples in any state r of relation…
  11. In SQL the statement select * from R, S is equivalent to
  12. In E-R Diagram total participation is represented by
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    If both the functional dependencies : XY and YX hold for two attributes X and Y then the relationship between X and Y is
  14. SQL server stores index information in the _____system table
  15. Which of the following is a reason to model data?
  16. Between DRAM and magnetic disk storage another form of memory, called ______ memory is becoming common…
  17. Wait-for graph is used for
  18. Relational Algebra is
  19. The metadata is created by the
  20. In multiple granularity of locks SIX lock is compatible with
  21. The cost of reading and writing temporary files while evaluating a query can be reduced by
  22. In an E-R, Y is the dominant entity and X is a subordinate entity. Then which of the following is incorrect…
  23. ____specifies a search condition for a group or an aggregate.
  24. The values of the attribute describes a particular
  25. In an ER model,_____ is described in the database by storing its data.
  26. A _____ is a logical unit of database processing that includes one or more data access operations that…
  27. The collection of information stored in a database at a particular moment is called as ......
  28. Key to represent relationship between tables is called
  29. The ______ indexes are forced to store only record IDs in the data structure and require at least one…
  30. Which one is correct statement?Logical data independence provides following without changing application…