小编sid*_*sid的帖子

我想在Android应用程序中运行此查询:

SELECT field1 FROM table1  
where field1 = ?(enteredField1) AND field2 = ?(enteredField2)  
AND enteredField3 BETWEEN field3 , field4  
;

我的数据库架构

table1(field1, field2, field3, field4, field5)  

enteredField1,2,3 =是要检查的参数.

我希望我对自己的问题很清楚.

这是功能 -

public boolean checkData(String task1, String dte1, String startTime1 )  
{   

        // field 1 = task , fiels 2 = dte, field 3 = startHr, field 4 = endHr  
        // enteredField 1,2,3 = task1, dte1, startTime1   
        // here I want to insert the query  

    int a = cursor.getCount();  
    if(a>0)  
    { …