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  1. The clause alter table in SQL can be used to
  2. A DBMS is a ____ user if at most one user can use the system and is mostly restricted to personal computer…
  3. _______ product was acquired by Informix, integrated into its RDBMS and introduced as the Informix Universal…
  4. A ____ key specifies a uniqueness constraint that no two distinct tuples in any state r of relation…
  5. Checkpoints are a part of
  6. The drawback of shadow paging technique are
  7. Which of the following constitutes a basic set of operations for manipulating relational data?
  8. ______ keyword is used to find the number of values in a column.
  9. The middleware databases in which the business rules act are applicable to _______ tier architectures
  10. The division operator divides a dividend A of degree m+n by a divisor relation B of degree n and produces…
  11. Relations produced from an E-R model will always be
  12. In SQL the word natural can be used with
  13. Tree structures are used to store data in
  14. ………………… approach reduces time and effort required for design…
  15. DBMS helps achieve
  16. The transactions like adding an employee, enrolling a student in a course are examples of _______
  17. ____specifies a search condition for a group or an aggregate.
  18. ______contains information that defines valid values that are stored in a column or data type.
  19. Key to represent relationship between tables is called
  20. As per equivalence rules for query transformation, selection operation distributes over
  21. _____clause is an additional filter that is applied to the result.
  22. A list consists of last names, first names, addresses and pin codes. If all people in the list have…
  23. If two relations R and S are joined, then the non matching tuples of both R and S are ignored in
  24. A _____ is a logical unit of database processing that includes one or more data access operations that…
  25. A table can have only one
  26. In an ER model,_____ is described in the database by storing its data.
  27. The default level of consistency in SQL is
  28. The values of the attribute describes a particular
  29. Processed data is called _____
  30. The common column is eliminated in