Android SQLite范圍查詢

Question

我正在使用這個：

  String selectQuery = "SELECT  * FROM " + TABLE_QUEST+" WHERE "+KEY_ID+"=40";

我想使用范圍而不是像10到20這樣的固定范圍。

Answer 1

您的操作方式與在SQL上相同；

" WHERE " + KEY_ID + " >= 10 AND " + KEY_ID + " <= 20"

SQL WHERE子句

Answer 2

要檢查某個值是否介於其他值之間，請使用BETWEEN運算符 ：

String selectQuery = "SELECT * FROM "+TABLE_QUEST+" WHERE "+KEY_ID+" BETWEEN 10 AND 20";