DBMS Crossword Puzzle-1

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Across
  1. 4. when multiple transactions occur independently without interference is called ________
  2. 9. _________ integrity constraint ensures that key values are consistent across tables
  3. 10. _________ compute Difference of two union-compatible sets of tuples.
  4. 11. cursors are of two types: implicit and _________
  5. 12. The query processor in a database management system receives as input a query request in the form of SQL text, parses it, generates an _________ plan, and completes the processing and returns the results to the client
  6. 13. change the _________ schema without changing the conceptual schema is called Physical Data independence
  7. 16. big-table is an example of ________ database model
  8. 17. In _________ outer join, if there is no matching tuple found in left relation, then the attributes of left relation in the join result are filled with null values
  9. 18. In relation, each _________ is unique
  10. 19. Breaking an existing record into two is an example of _________ data independence
Down
  1. 1. Key that consist of two or more attributes that uniquely identify an entity occurrence is called _________ key
  2. 2. Entity-Relationship model is used in the ___________ design of a database
  3. 3. _________ is Transaction Control command
  4. 5. A cursor is a _________to the context area
  5. 6. The set of attributes that are functionally dependent on the attribute A is called _______ of A
  6. 7. Join is _________ relational operator
  7. 8. Sequence of Cursor actions is Declare, _________, fetch, close, deallocate
  8. 14. The relation is said to be lossless decomposition if _________ joins of all the decomposition give the original relation.
  9. 15. A → B has a _________ functional dependency if B is not a subset of A.