SQL语句命令执行顺序

op1=>operation: from + join op2=>operation: where op3=>operation: group by op4=>operation: having op5=>operation: select op6=>operation: order by op7=>operation: limit op1->op2->op3->op4->op5->op6->op7{"scale":1,"line-width":2,"line-length":50,"text-margin":10,"font-size":12}