Is a string function that returns the number of characters
     __________ Is a string function that returns the number of characters in a string value.  CONCAT  LENGTH  SUBSTRING  UCASE 
  
  Solution
7. Answer :-
LENGTH
Explanation :-
LENGTH is a string function which returns the number of characters in a string value.
8. Answer :-
AND operator
Explanation :-
The AND operator can be used in place of MINUS if the DBMS does not support it.

