CodePudding user response:

TABLE from the association, to TABLE A JOIN TABLE B ON a. meeting=b. meeting AND a. members & lt; B. member, and then according to the combination of members grouping together,

CodePudding user response:

reference 1st floor RINK_1 response:

TABLE from the association, to TABLE A JOIN TABLE B ON a. meeting=b. meeting AND a. members & lt; B. member, and then according to the combination of members group total,

Can excuse me specific point