Question

With SQL, how can you return the number of not null records in the “Persons” table?
a) SELECT COUNT() FROM Persons
b) SELECT COLUMNS() FROM Persons
c) SELECT COLUMNS(*) FROM Persons
d) SELECT COUNT(*) FROM Persons​

Answer 1

Answer:

a answer is always right now

Answer 2

Answer:

I thought all

I am a student of standard 6th