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Relational Algebra does not have

A. Selection operator.

B. Projection operator.

C. Aggregation operators.

D. Division operator.

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  1. A transaction is in state after the final statement has been executed.
  2. In an ER diagram the ___shape specifies the Attibute and a ____ shape specifies the primary key attribute.
  3. Relational Algebra does not have
  4. Grant and revoke are _____ statements.
  5. Which two files are used during operation of the DBMS?
  6. Checkpoints are a part of
  7. Key to represent relationship between tables is called
  8. In multiple granularity of locks SIX lock is compatible with
  9. Tree structures are used to store data in
  10. The data in the database at a particular moment of time is called the _______
  11. ______is a preferred method for enforcing data integrity
  12. In SQL the word natural can be used with
  13. SQL server stores index information in the _____system table
  14. In an E-R diagram double lines indicate
  15. DBMS helps achieve
  16. The ______ language consists of SQL statements for operating on the data (insert, Modify, Delete) in…
  17. Data independence means
  18. _____ First proposed the process of normalization.
  19. Wait-for graph is used for
  20. A ____ key specifies a uniqueness constraint that no two distinct tuples in any state r of relation…
  21. Which of the following is not comparison operator?
  22. _____ is a utility to capture a continuous record of server activity and provide auditing capability.
  23. A _____ is a logical unit of database processing that includes one or more data access operations that…
  24. Protection of data from unauthorized Disclosure results in loss of _______
  25. Immediate database modification technique uses
  26. Processed data is called _____
  27. Whenever two independent one-to-many relationships are mixed in the same relation, a __________ arises.
  28. For using a specific database …………… command is used.
  29. The statement that is executed automatically by the system as a side effect of the modification of the…
  30. ______ keyword is used to find the number of values in a column.