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私のコードは
mDB.query(DATABASE_TABLE, new String[] {KEY_ID, KEY_Name + KEY_Familyname + " as " + KEY_Fullname}, null, null, null, null, null);
だからそれはしません
Error: "KEY_Name + KEY_Familyname + " as " + KEY_Fullname" ????
||演算子を使用して文字列を連結する
||
select KEY_Name || KEY_Familyname as KEY_Fullname