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A top-to-bottom relationship among the items in a database is established by a

A. Hierarchical schema

B. Network schema

C. Relational Schema

D. All of the above

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

You can do it
  1. When an E-R diagram is mapped to tables, the representation is redundant for
  2. Which of the following relational algebra operations do not require the participating tables to be union-compatible?
  3. _____ is a utility to capture a continuous record of server activity and provide auditing capability.
  4. The middleware databases in which the business rules act are applicable to _______ tier architectures
  5. A _____ is used to define overall design of the database
  6. Processed data is called _____
  7. SQL server stores index information in the _____system table
  8. Which of the following addressing modes permits relocation without any change over in the code?
  9. The rule that a value of a foreign key must appear as a value of some specific table is called a
  10. Union operator is a :
  11. If two relations R and S are joined, then the non matching tuples of both R and S are ignored in
  12. Create a table with the following attributes: Employee(EMPNO integer, EMPNAME of 10 characters)
  13. Shadow paging has
  14. E-R Modeling is achieved by using ____ diagrams
  15. It is an abstraction through which relationships are treated as higher level entities
  16. According to the levels of abstraction, the schema at the intermediate level is called
  17. ______is a preferred method for enforcing data integrity
  18. A relational database developer refers to a record as
  19. The fact that information in the data warehouse changes far less often and may be regarded as non-real-time…
  20. A relation is in attribute of other composite key. if an attribute of a composite key is dependent on…
  21. The metadata is created by the
  22. What is a disjoint less constraint?
  23. Relational Algebra does not have
  24. Relations produced from an E-R model will always be
  25. Which of the following is not a characteristic of a relational database model?
  26. The full form of GUI is _________
  27. Relationships among relationships can be represented in an-E-R model using
  28. Which of the syntax is correct for insert statement? i) insert into values ii) insert into (column list)…
  29. Key to represent relationship between tables is called
  30. The default level of consistency in SQL is