echo $getq2 = "SELECT publisher,COUNT(publisher) from (select publisher from wiley where $getq2_ UNIONALL SELECT publisher FROM elsevier WHERE $getq2_ UNION ALL SELECT publisher FROM sage WHERE $getq2_UNION ALL SELECT publisher FROM indianjo
我创建了一个名为Publisher的类,其中包含两个成员变量。一个叫名字,另一个叫电话号码。然后,我创建了一个名为cd的新类,其中包含了其他变量,比如titel和titel,但是还创建了一个名为publisher的Publisher变量。现在,这就是我遇到问题的地方。它应该初始化Publisher类成员,但是它没有。所以,当我从main()调用setPublisher时,它会引发一个错误。这是我的密码:public class Publisher {
select email as publihser_email, phone_number as publisher_phone_number, CONCAT(first_name,' ',last_name) as publisher_namewhere id in( )select email as publi
echo $getq2 = "SELECT publisher,COUNT(publisher) from (select publisher from wiley where $getq2_ UNIONALL SELECT publisher FROM elsevier WHERE $getq2_ UNION ALL SELECT publisher FROM sage WHERE $getq2_UNION ALL SELECT publisher FROM indianjo
我有以下两张表publisher_id | site | region | ad_ratio | product_code==============================================和
2. publisher_site_regionwise_infopublisher_id | site | region