The data in the database at a particular moment of time is called the _______

A. Snapshot

B. Dynaset

C. Stateless

D. Stateful

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  1. The normal form that is not necessarily dependency preserving is
  2. The clause in SQL that specifies that the query result should be sorted in ascending or descending order…
  3. A relation is in attribute of other composite key. if an attribute of a composite key is dependent on…
  4. Relational Algebra is
  5. In SQL, testing whether a subquery is empty is done using
  6. In b-tree the number of keys in each node is than the number of its children.
  7. Which of the following relational algebraic operations is not from set theory?
  8. Which two files are used during operation of the DBMS?
  9. A top-to-bottom relationship among the items in a database is established by a
  10. The relational model is based on the concept that data is organized and stored in two-dimensional tables…
  11. ………………… approach reduces time and effort required for design…
  12. The fact that information in the data warehouse changes far less often and may be regarded as non-real-time…
  13. _____is a full form of SQL.
  14. Data items grouped together for storage purposes are called a
  15. In SQL the statement select * from R, S is equivalent to
  16. ______contains information that defines valid values that are stored in a column or data type.
  17. DFD stands for
  18. Maximum height of a B+ tree of order m with n key values is
  19. Drop Table cannot be used to drop a table referenced by a ______ constraint.
  20. An advantage of views is
  21. ____ table store information about database or about the system.
  22. The concept of mapping of ______ entity types is the concept in which the for each strong entity type…
  23. Which of the following ensures the atomicity of the transaction?
  24. _____ is a utility to capture a continuous record of server activity and provide auditing capability.
  25. _____ command can be used to modify a column in a table
  26. The _______ is a set of programs to use and / or modify this data.
  27. Key to represent relationship between tables is called
  28. Which one is correct statement?Logical data independence provides following without changing application…
  29. Which of the following is true for network structure?
  30. Dependency preservation is not guaranteed in