The middleware databases in which the business rules act are applicable to _______ tier architectures

A. Single

B. Three

C. Two

D. None

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

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  1. The ______ language consists of SQL statements for operating on the data (insert, Modify, Delete) in…
  2. Which of the following relational algebra operations do not require the participating tables to be union-compatible?
  3. A DBMS is a ____ user if at most one user can use the system and is mostly restricted to personal computer…
  4. Which one is true statement :
  5. The fact that all employees of a particular organization should not have salaries more than $10000 is…
  6. Which of the following relational algebraic operations is not from set theory?
  7. _____ First proposed the process of normalization.
  8. Which normal form is considered adequate for normal relational database design?
  9. Which of the following is not a property of transactions?
  10. DROP is a statement in SQL.
  11. In multiple granularity of locks SIX lock is compatible with
  12. For using a specific database …………… command is used.
  13. The transactions like adding an employee, enrolling a student in a course are examples of _______
  14. Change Staff table by removing default of Assistant for position column
  15. The statement that is executed automatically by the system as a side effect of the modification of the…
  16. A transaction is in state after the final statement has been executed.
  17. In E-R Diagram total participation is represented by
  18. In an ER model,_____ is described in the database by storing its data.
  19. Which of the following is not a logical database structure?
  20. The part of a database management system which ensures that the data remains in a consistent state is
  21. The clause in SQL that specifies that the query result should be sorted in ascending or descending order…
  22. The ______ key of a relation is the attribute (column) or collection of attributes, which uniquely identify…
  23. Which of the following ensures the atomicity of the transaction?
  24. In a multi-user database, if two users wish to update the same record at the same time, they are prevented…
  25. _____is a full form of SQL.
  26. A weak entity has an ______ dependency on its owner entity, which can be used for both ON UPDATE and…
  27. Which of the following is not a characteristic of a relational database model?
  28. ______is a special type of integrity constraint that relates two relations & maintains consistency across…
  29. The _______ is a set of programs to use and / or modify this data.
  30. Which two files are used during operation of the DBMS?