Home

Which of the following is not a consequence of concurrent operations?

A. Lost update problem.

B. Update anomaly.

C. Unrepeatable read.

D. Dirty read.

You can do it
  1. The ____ operator joins two or more conditions and displays rows only if that rows data satisfies all…
  2. The normal form that is not necessarily dependency preserving is
  3. Create a table with the following attributes: Employee(EMPNO integer, EMPNAME of 10 characters)
  4. The keyword to eliminate duplicate rows from the query result in SQL is
  5. Processed data is called _____
  6. Tree structures are used to store data in
  7. Which of the following is not comparison operator?
  8. Shadow paging has
  9. The collection of information stored in a database at a particular moment is called as ......
  10. DBMS helps achieve
  11. Which one is true statement :
  12. The part of a database management system which ensures that the data remains in a consistent state is
  13. Union operator is a :
  14. An advantage of views is
  15. Protection of data from unauthorized Disclosure results in loss of _______
  16. In an E-R diagram double lines indicate
  17. An advantage of the database management approach is
  18. A relational database developer refers to a record as
  19. A list consists of last names, first names, addresses and pin codes. If all people in the list have…
  20. Consider the join of relation R with a relation S. If R has m tuples and S has n tuples, then the maximum…
  21. _____ First proposed the process of normalization.
  22. In b-tree the number of keys in each node is than the number of its children.
  23. Which of the following is a reason to model data?
  24. Use of UNIQUE while defining an attribute of a table in SQL means that the attribute values are
  25. The size of a data item is called its _______, which can be a field of some record or may be a larger…
  26. A data type or format is specified for each _________
  27. Which of the following addressing modes permits relocation without any change over in the code?
  28. Between DRAM and magnetic disk storage another form of memory, called ______ memory is becoming common…
  29. ______defines the structure of a relation which consists of a fixed set of attribute-domain pairs.
  30. A table can have only one