Question: Explain why the given statements are true or false? (if true explain why, if false explain why) 1- If a schema consists entirely of {a,
Explain why the given statements are true or false? (if true explain why, if false explain why)
1- If a schema consists entirely of {a, b, c}, and if none of the proper subsets of {a, b, c} are keys, then {a, b, c} must be a key.
2- If the schema for some relation consists entirely of {a, b, c}, and {b} is the key, then the number of unique pairs in the relation is equal to the number of values.
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
