E-R Modeling is achieved by using ____ diagrams


B. Flowcharts

C. Gantt Charts

D. E-R

Related Questions

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  2. The metadata is created by the
  3. In a multi-user database, if two users wish to update the same record at the same time, they are prevented…
  4. What is data integrity?
  5. In SQL, testing whether a subquery is empty is done using
  6. Checkpoints are a part of
  7. In SQL the statement select * from R, S is equivalent to
  8. The middleware databases in which the business rules act are applicable to _______ tier architectures
  9. Consider the join of relation R with a relation S. If R has m tuples and S has n tuples, then the maximum…
  10. Drop Table cannot be used to drop a table referenced by a ______ constraint.
  11. A ____ key specifies a uniqueness constraint that no two distinct tuples in any state r of relation…
  12. In SQL the word natural can be used with
  13. Which of the following concurrency control schemes is not based on the serializability property?
  14. Protection of data from unauthorized Disclosure results in loss of _______
  15. Data independence means
  16. In 2NF
  17. ______ keyword is used to find the number of values in a column.
  18. The values of the attribute describes a particular
  19. ______defines the structure of a relation which consists of a fixed set of attribute-domain pairs.
  20. DBMS is a collection of _____ that enables user to create and maintain a database.
  21. Wait-for graph is used for
  22. HSAM stands for ……….
  23. The size of a data item is called its _______, which can be a field of some record or may be a larger…
  24. SQL server stores index information in the _____system table
  25. The normal form that is not necessarily dependency preserving is
  26. A DBMS is a ____ user if at most one user can use the system and is mostly restricted to personal computer…
  27. A _____ is a logical unit of database processing that includes one or more data access operations that…
  28. _____is a full form of SQL.
  29. E-R Modeling is achieved by using ____ diagrams
  30. Key to represent relationship between tables is called

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