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What is data integrity?

A. It is the data contained in database that is non redundant.

B. It is the data contained in database that is accurate and consistent.

C. It is the data contained in database that is secured.

D. It is the data contained in database that is shared.

You can do it
  1. ______is a special type of integrity constraint that relates two relations & maintains consistency across…
  2. DBMS is a collection of _____ that enables user to create and maintain a database.
  3. What will be the number of columns and rows respectively obtained for the operation, A- B, if A B are…
  4. Which of the following is not a property of transactions?
  5. The division operator divides a dividend A of degree m+n by a divisor relation B of degree n and produces…
  6. The values of the attribute describes a particular
  7. The middleware databases in which the business rules act are applicable to _______ tier architectures
  8. HSAM stands for .
  9. Which of the syntax is correct for insert statement? i) insert into values ii) insert into (column list)…
  10. The language that requires a user to specify the data to be retrieved without specifying exactly how…
  11. _____ First proposed the process of normalization.
  12. The _____ category includes storage media that can be operated on directly by the computers central…
  13. ______contains information that defines valid values that are stored in a column or data type.
  14. Relational Algebra is
  15. In an ER diagram the ___shape specifies the Attibute and a ____ shape specifies the primary key attribute.
  16. Manager salary details are hidden from the employee .This is
  17. Union operator is a :
  18. Cascading rollback is avoided in all protocol except
  19. _______ product was acquired by Informix, integrated into its RDBMS and introduced as the Informix Universal…
  20. Which of the following concurrency control schemes is not based on the serializability property?
  21. Which of the following is not a recovery technique?
  22. Which of the following addressing modes permits relocation without any change over in the code?
  23. The set of all values that can be taken by the attribute is called as _______ of the attribute.
  24. ______defines the structure of a relation which consists of a fixed set of attribute-domain pairs.
  25. _____ command can be used to modify a column in a table
  26. In a relational schema, each tuple is divided into fields called
  27. What is data integrity?
  28. _____ database is used to provide statistical information or summaries of values based on various criteria.
  29. Which of the following aggregate functions does not ignore nulls in its results?.
  30. ______is a preferred method for enforcing data integrity