Computer Science, asked by hdjaidi108, 16 hours ago

a) What is the difference between count and count(*)?.

Answers

Answered by sharikhzeba1

Answer:

Difference between count(*) and count(columnName) in MySQL? The count(*) returns all rows whether column contains null value or not while count(columnName) returns the number of rows except null rows.

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a) What is the difference between count and count(*)?.​

Answers

a) What is the difference between count and count(*)?.