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Data items grouped together for storage purposes are called a

A. record

B. string

C. title

D. list

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  1. A _____ is used to define overall design of the database
  2. Which of the following is not a recovery technique?
  3. In b-tree the number of keys in each node is than the number of its children.
  4. Which of the following ensures the atomicity of the transaction?
  5. The division operator divides a dividend A of degree m+n by a divisor relation B of degree n and produces…
  6. A transaction is in state after the final statement has been executed.
  7. The ____ operator joins two or more conditions and displays rows only if that rows data satisfies all…
  8. The fact that all employees of a particular organization should not have salaries more than $10000 is…
  9. A weak entity has an ______ dependency on its owner entity, which can be used for both ON UPDATE and…
  10. In an ER model,_____ is described in the database by storing its data.
  11. What is a disjoint less constraint?
  12. Use of UNIQUE while defining an attribute of a table in SQL means that the attribute values are
  13. ______contains information that defines valid values that are stored in a column or data type.
  14. As per equivalence rules for query transformation, selection operation distributes over
  15. The graphical representation of a query is .
  16. operator is used to compare a value to a list of literals values that have been specified.
  17. According to the levels of abstraction, the schema at the intermediate level is called
  18. A top-to-bottom relationship among the items in a database is established by a
  19. Given the following relation S(SNO,SNAME,CITY) write a query to update the value of CITY to KANPUR for…
  20. What are the desirable properties of a decomposition
  21. DBMS is a collection of _____ that enables user to create and maintain a database.
  22. Employees in a company are each assigned their own office, i.e. for each employee there exists a unique…
  23. If a transaction T has obtained an exclusive lock on item Q, then T can
  24. The part of a database management system which ensures that the data remains in a consistent state is
  25. _____ database is used to provide statistical information or summaries of values based on various criteria.
  26. The data in the database at a particular moment of time is called the _______
  27. Drop Table cannot be used to drop a table referenced by a ______ constraint.
  28. Union operator is a :
  29. Relationships among relationships can be represented in an-E-R model using
  30. A table can have only one