Possible Duplicate:
In SQL, what's the difference between count(column) and count(*)?
As per subject, is there any difference in how MySQL interprets the above query? Or they are regarded as the same?
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
The difference between the functions
COUNT(*)andCOUNT(fieldname)is that the second does not calculate NULL-values.