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In a relational schema, each tuple is divided into fields called

A. Relations

B. Queries

C. Domains

D. All of the above

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

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  1. The full form of GUI is _________
  2. _______ product was acquired by Informix, integrated into its RDBMS and introduced as the Informix Universal…
  3. Immediate database modification technique uses
  4. The ______ indexes are forced to store only record IDs in the data structure and require at least one…
  5. Wait-for graph is used for
  6. Precedence graphs help to find a
  7. The rule that a value of a foreign key must appear as a value of some specific table is called a
  8. The language that requires a user to specify the data to be retrieved without specifying exactly how…
  9. A relation is in attribute of other composite key. if an attribute of a composite key is dependent on…
  10. Which of the following ensures the atomicity of the transaction?
  11. HSAM stands for ……….
  12. Grant and revoke are _____ statements.
  13. Cascading rollback is avoided in all protocol except
  14. The transactions like adding an employee, enrolling a student in a course are examples of _______
  15. Which normal form is considered adequate for normal relational database design?
  16. The clause in SQL that specifies that the query result should be sorted in ascending or descending order…
  17. A data type or format is specified for each _________
  18. In an E-R diagram double lines indicate
  19. In an E-R, Y is the dominant entity and X is a subordinate entity. Then which of the following is incorrect…
  20. The default level of consistency in SQL is
  21. A relational database developer refers to a record as
  22. If an entity can belong to only one lower level entity then the constraint is
  23. ………………… approach reduces time and effort required for design…
  24. What is data integrity?
  25. Which of the following concurrency control schemes is not based on the serializability property?
  26. Which one is true statement :
  27. ______contains information that defines valid values that are stored in a column or data type.
  28. A list consists of last names, first names, addresses and pin codes. If all people in the list have…
  29. A ____ key specifies a uniqueness constraint that no two distinct tuples in any state r of relation…
  30. The middleware databases in which the business rules act are applicable to _______ tier architectures