Coursera课程Python for everyone:Quiz: Many-to-Many Relationships and Python
Many-to-ManyRelationshipsandPython9试题WeaddatablewithtwoforeignkeysWeadd10foreignkeystoeachtablewithnameslikeartict_id_1,artist_id2,etc.WeusetheARRAYcolumntypeinbothofthetablesWeuseaBLOBcolumninbothtab