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A _____ is used to define overall design of the database

A. code

B. data definition language

C. application program

D. schema

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. What will be the number of columns and rows respectively obtained for the operation, A- B, if A B are…
  2. Which of the following is not comparison operator?
  3. A ____ key specifies a uniqueness constraint that no two distinct tuples in any state r of relation…
  4. Which of the following constitutes a basic set of operations for manipulating relational data?
  5. If an entity can belong to only one lower level entity then the constraint is
  6. Data independence means
  7. The fact that information in the data warehouse changes far less often and may be regarded as non-real-time…
  8. It is an abstraction through which relationships are treated as higher level entities
  9. ______contains information that defines valid values that are stored in a column or data type.
  10. Union operator is a :
  11. Relations produced from an E-R model will always be
  12. _____ is a utility to capture a continuous record of server activity and provide auditing capability.
  13. An advantage of the database management approach is
  14. The division operator divides a dividend A of degree m+n by a divisor relation B of degree n and produces…
  15. The drawback of shadow paging technique are
  16. A top-to-bottom relationship among the items in a database is established by a
  17. Tree structures are used to store data in
  18. Which of the following is a reason to model data?
  19. Drop Table cannot be used to drop a table referenced by a ______ constraint.
  20. Maximum height of a B+ tree of order m with n key values is
  21. The clause alter table in SQL can be used to
  22. The concept of mapping of ______ entity types is the concept in which the for each strong entity type…
  23. The collection of information stored in a database at a particular moment is called as ......
  24. ______defines the structure of a relation which consists of a fixed set of attribute-domain pairs.
  25. Relationships among relationships can be represented in an-E-R model using
  26. Relational Algebra is
  27. A transaction is in state after the final statement has been executed.
  28. Immediate database modification technique uses
  29. A DBMS is a ____ user if at most one user can use the system and is mostly restricted to personal computer…
  30. E-R Modeling is achieved by using ____ diagrams