多选题

Table A have columns (userID , email)...

Question

Table A have columns (userID , email) and Table B have columns(UID, email), what’s the correct description for below SQL? (单选)

Select email from A, B where userID=UID

A. Get Table A&rsquos email data

B. Get Table B&rsquos email data

C. Get Table A and B&rsquos email data

D. Has Error when executes this SQL