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[英]Android SQLiteDatabase update multiple rows using where clause with IN or OR
[英]MySQL: How to Update values into multiple rows and use where clause as well?
我試圖更新的int值(a的值primary key
, 從另一個表名為檢索country
)到city_id
列(這是一個Foreign Key
的persons
從表中country
表), 在所有行其中值屬性/列的name
是John, Amy, Adam, Abraham, Bob, David, Robert, George, Elizabeth, Mike and Barbara.
我嘗試使用此查詢,但是我得到一個異常,即我的MySQL語法有錯誤 。
String query1="update persons set city_id="+rid+" where "
+ "(name= 'John' and "
+ "name= 'Amy' and "
+ "name= 'Adam' and "
+ "name= 'Abraham' and "
+ "name= 'Bob' and "
+ "name= 'David' and "
+ "name= 'Robert' and "
+ "name= 'George' and "
+ "name= 'Elizabeth' and "
+ "name= 'Mike' and "
+ "name= 'Barbara' )";
我也通過刪除括號來進行嘗試。
那么,有人可以指出這是怎么回事,還是可以滿足我的目的的另一個查詢?
你可以用
String query1="update persons set city_id="+rid+" where
name= 'John' or
name= 'Amy' or
name= 'Adam' or
name= 'Abraham' or
name= 'Bob' or
name= 'David' or
name= 'Robert' or
name= 'George' or
name= 'Elizabeth' or
name= 'Mike' or
name= 'Barbara'";
或者你可以使用
String query1="update persons set city_id="+rid+" where name in ('John','Amy','Adam','Abraham','Bob','David','Robert','George','Elizabeth','Mike','Barbara')";
您應該使用以下命令,它肯定有效
更新人員設置city_id =“ + rid +”,其中name ='John'
或name ='Amy'
或name ='Adam'
或name ='Abraham'
或name ='Bob'
或name ='David'
或name ='Robert'
或name ='George'
或name ='Elizabeth'
或name ='Mike'
或name ='Barbara';
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