我正在尝试在一个SQL-数据库中嵌入一些值,如果键已经存在,我想要更新。"IF EXISTS (SELECT * FROM "+table+" WHERE Name='"+key+"')" +
" UPDATE "+table+" SET (Value='"+Value56:46.311: E/AndroidRuntim
使用'select case‘进行表更新时出现问题。作为一个普通的select case语句(不是更新表),这个查询可以很好地工作: when t1.id in (select t2.id from t2 where [condition1id in (select t4.id from t4 where [condition3] then 'ccc'end但是,当我尝试在update</