The collection of information stored in a database at a particular moment is called as ......

A. schema

B. instance of the database

C. data domain

D. independence

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  1. By ______ an area on disk in certain ways, one can make it represent a bit value of either zero (0)…
  2. Which of the following constitutes a basic set of operations for manipulating relational data?
  3. Shadow paging has
  4. DROP is a statement in SQL.
  5. Dependency preservation is not guaranteed in
  6. Which of the following is a reason to model data?
  7. It is an abstraction through which relationships are treated as higher level entities
  8. Checkpoints are a part of
  9. Precedence graphs help to find a
  10. If an entity can belong to only one lower level entity then the constraint is
  11. In b-tree the number of keys in each node is than the number of its children.
  12. Relationships among relationships can be represented in an-E-R model using
  13. The transactions like adding an employee, enrolling a student in a course are examples of _______
  14. In SQL, testing whether a subquery is empty is done using
  15. Data items grouped together for storage purposes are called a
  16. Key to represent relationship between tables is called
  17. What are the desirable properties of a decomposition
  18. The ______ language consists of SQL statements for operating on the data (insert, Modify, Delete) in…
  19. Data independence means
  20. Maximum height of a B+ tree of order m with n key values is
  21. The normalization was first proposed by .
  22. In multiple granularity of locks SIX lock is compatible with
  23. Which of the syntax is correct for insert statement? i) insert into values ii) insert into (column list)…
  24. An advantage of the database management approach is
  25. Tree structures are used to store data in
  26. The values of the attribute describes a particular
  27. _____is a full form of SQL.
  28. The keyword to eliminate duplicate rows from the query result in SQL is
  29. The rule that a value of a foreign key must appear as a value of some specific table is called a
  30. If the closure of an attribute set is the entire relation then the attribute set is a