______contains information that defines valid values that are stored in a column or data type.

A. Default

B. Index

C. Rule

D. View

Related Questions

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  3. Checkpoints are a part of
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  5. Wait-for graph is used for
  6. A _____ is a logical unit of database processing that includes one or more data access operations that…
  7. ____specifies a search condition for a group or an aggregate.
  8. Grant and revoke are _____ statements.
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  14. Data independence means
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  16. Which of the following is not comparison operator?
  17. Which is the best file organization when data is frequently added or deleted from a file?
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  20. According to the levels of abstraction, the schema at the intermediate level is called
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  22. Which of the following aggregate functions does not ignore nulls in its results?.
  23. A ____ key specifies a uniqueness constraint that no two distinct tuples in any state r of relation…
  24. Which of the following is not a consequence of concurrent operations?
  25. What will be the number of columns and rows respectively obtained for the operation, A- B, if A B are…
  26. Relationships among relationships can be represented in an-E-R model using
  27. The division operator divides a dividend A of degree m+n by a divisor relation B of degree n and produces…
  28. For using a specific database …………… command is used.
  29. Maximum height of a B+ tree of order m with n key values is
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