Which of the following relational algebraic operations is not from set theory?

A. Union

B. Intersection

C. Cartesian Product

D. Select

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

You can do it
  1. Data items grouped together for storage purposes are called a
  2. Grant and revoke are _____ statements.
  3. DROP is a statement in SQL.
  4. Which of the following relational algebra operations do not require the participating tables to be union-compatible?
  5. _____clause is an additional filter that is applied to the result.
  6. By ______ an area on disk in certain ways, one can make it represent a bit value of either zero (0)…
  7. Whenever two independent one-to-many relationships are mixed in the same relation, a __________ arises.
  8. The clause in SQL that specifies that the query result should be sorted in ascending or descending order…
  9. The middleware databases in which the business rules act are applicable to _______ tier architectures
  10. In an E-R, Y is the dominant entity and X is a subordinate entity. Then which of the following is incorrect…
  11. The concept of mapping of ______ entity types is the concept in which the for each strong entity type…
  12. As per equivalence rules for query transformation, selection operation distributes over
  13. In an ER diagram the ___shape specifies the Attibute and a ____ shape specifies the primary key attribute.
  14. If an entity can belong to only one lower level entity then the constraint is
  15. _____ is a utility to capture a continuous record of server activity and provide auditing capability.
  16. A _____ is a logical unit of database processing that includes one or more data access operations that…
  17. A data type or format is specified for each _________
  18. Relational Algebra is
  19. ______is a preferred method for enforcing data integrity
  20. Which of the following is not a logical database structure?
  21. Data independence means
  22. If two relations R and S are joined, then the non matching tuples of both R and S are ignored in
  23. Relational Algebra does not have
  24. SQL server stores index information in the _____system table
  25. It is an abstraction through which relationships are treated as higher level entities
  26. Which of the syntax is correct for insert statement? i) insert into values ii) insert into (column list)…
  27. Dependency preservation is not guaranteed in
  28. The data in the database at a particular moment of time is called the _______
  29. Which of the following relational algebraic operations is not from set theory?
  30. Assume transaction A holds a shared lock R. If transaction B also requests for a shared lock on R.