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Across 3. IT RESTRICTS THE VALUES OF GROUPS (SQL) 4. NUMBER OF ATTRIBUTES 9. A RELATIONAL ALGEBRA OPERATION WHERE TUPLES THAT ARE IN RELATION R BUT NOT IN RELATION S 13. A RELATIONAL ALGEBRA OPERATION WHERE ALL TUPLES THAT ARE COMMON IN BOTH RELATIONS 14. THE INTEGRITY THAT DOESN'T ALLOW AN ATTRIBUTRE OF A PRIMARY KEY TO BE NULL 16. A COLLECTION OF LOGICALLY RELATED DATA 19. NOT SELECTED AS A PRIMARY KEY 21. USED TO CHANGE THE VALUE IN AN ATTRIBUTE (SQL) 22. USED IN A MEMBERSHIP SEARCH CONDITION(SQL) 23. A DERIVED RELATION 24. A VALUE THAT IS UNKNOWN OR NOT APPLICABLE 26. NOTE THE FOLLOWING EXPRESSION (SELECT A, SUM(B) FROM TABLE1), WHICH CLAUSE MUST WE USE 27. AGGREGATE FUNCTION TO FIND THE TOTAL NUMBER OF VALUES OF AN ATTRIBUTE 28. USED INSTEAD OF A JOIN 29. USED TO FIND WHETHER A VALUE IS NULL

Down 1. NUMBER OF TUPLES 2. THE LANGUAGE TO DESCRIBE THE DATA 5. ADDITIONAL RULES SPECIFIED BY THE USER 6. USED TO ERASE DATA (SQL) 7. USED FOR SORTING RESULTS (SQL) 8. IT RESTRICTS THE VALUES IN ROWS(SQL) 10. USED TO ENTER A NEW TUPLE IN A TABLE(SQL) 11. USED IN A RANGE SEARCH CONDITION (SQL) 12. A SUPERKEY WITH NO PROPER SUBSET 15. THE LANGUAGE TO CHANGE/MANIPULATE THE DATA 16. IT ELIMINATES DUPLICATES 17. ATTRIBUTES THAT UNIQUELY IDENTIFY TUPLE IN A RELATION 18. A RELATIONAL ALGEBRA OPERATION WHERE IT CONTAINS THE TUPLES OF R THAT PARTICIPATE IN THE JOIN OF R WITH S 20. A RELATIONAL ALGEBRA OPERATION WHERE ALL TUPLES FROM BOTH RELATIONS DUPLICATES ELIMINATED 25. USED IN PATTERN MATCH SEARCH CONDITION(SQL)