特别是,我从表guest_list_parties中获得了一些ID值,并希望将这些值传递到表guest_list_parties_secondary中。party_id是子查询返回的内容;2031是我希望与每条记录一起传递的secondary_event_id。但是,MYSQL报告时有一个错误,即:“Subquery返回多于1行”INSERT INTO guest_list_parties_secondary (party_id, sec
我在阅读MySQL文档时有点困惑。A row subquery is a subquery variant that returns a single row and can thus return more than one column这个操作符的“普通”变体是什么?create table example(a integer,b integer);insert into example values2 | 1
操
从MySQL存储过程中选择语句。我的结果总是来自MySQL:ERROR 1242 (21000): Subquery returns more than 1 row的错误PREPARE query FROM 'INSERT INTO tmpTable (client_program, ref_client, ref_household) SELECT ref_c
在MySQL 5.6中,我有大约6千万行。我想根据Id删除行。这里的Id是主键。delete from tbl where id=1;Insert into DELETE_ID select id from (subery1(subquery2(subquery3在innodb_trx中,状态有时是fetching r