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E-R Modeling is achieved by using ____ diagrams

A. DFD

B. Flowcharts

C. Gantt Charts

D. E-R

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  1. The fact that information in the data warehouse changes far less often and may be regarded as non-real-time…
  2. Use of UNIQUE while defining an attribute of a table in SQL means that the attribute values are
  3. What are the desirable properties of a decomposition
  4. SQL server stores index information in the _____system table
  5. A logical schema
  6. Which one is correct statement?Logical data independence provides following without changing application…
  7. Isolation of the transactions is ensured by
  8. Processed data is called _____
  9. What is a disjoint less constraint?
  10. If both the functional dependencies : XY and YX hold for two attributes X and Y then the relationship…
  11. An advantage of the database management approach is
  12. Which of the following relational algebraic operations is not from set theory?
  13. Checkpoints are a part of
  14. Create a table with the following attributes: Employee(EMPNO integer, EMPNAME of 10 characters)
  15. Which one is true statement :
  16. In E-R Diagram total participation is represented by
  17. Which of the following concurrency control schemes is not based on the serializability property?
  18. In 2NF
  19. A list consists of last names, first names, addresses and pin codes. If all people in the list have…
  20. The one guideline to be followed while designing the database is
  21. ______ keyword is used to find the number of values in a column.
  22. A DBMS is a ____ user if at most one user can use the system and is mostly restricted to personal computer…
  23. DFD stands for
  24. Relations produced from an E-R model will always be
  25. The common column is eliminated in
  26. _____ is a utility to capture a continuous record of server activity and provide auditing capability.
  27. An outstanding functionality of SQL is its support for automatic_____ to the target data.
  28. The clause alter table in SQL can be used to
  29. A relation is in attribute of other composite key. if an attribute of a composite key is dependent on…
  30. Tree structures are used to store data in