___________ produces a largest value of given field.
large( )
maximum( )
min( )
max( )
__________ operator can be applied to fields of type of CHAR or VARCHAR, against which it is used to find substrings.
LIKE
ALL
AND
CHAR
___________ functions in SQL, which produce a single value for an entire group of table entries.
Aggregate functions
SQL
NULL
None of these
SQL can be used to :
create database structure only
query database data only
modify database data only
all of these can be done by SQL
NULL which means ___________.
a field
a value
zero (0)
not a value
