Question

how i can write the query ex;-

select count(id) where animal = rat , elephant ,cat, mouse

how i can do this in mysql.
ex means count the row where animal = rat ,elephant, cat ,mouse

Answer 1

This will return a single COUNT for all matching animals:

SELECT  COUNT(id)
WHERE   animal IN ('rat', 'elephant' , 'cat', 'mouse')

This will count animal-wise:

SELECT  animal, COUNT(id)
WHERE   animal IN ('rat', 'elephant' , 'cat', 'mouse')
GROUP BY
        animal

i. e. will return how many rats, elephants etc. are there in the table.