select (case when date = curdate() then 'today'
when date >= curdate() - interval 6 day then 'last 7 days'
when date >= curdate() - interval 29 day then 'last 30 days'
else 'older'
end),
count(*),
. . .
from . . .
group by (case when date = curdate() then 'today'
when date >= curdate() - interval 6 day then 'last 7 days'
when date >= curdate() - interval 29 day then 'last 30 days'
else 'older'
end)
String requiredKeyword = request.getParameter("KeyWord");
String textBookCode = request.getParameter("BookCode");
String pageNumbers= request.getParameter("PageNumbers");
String definition = request.getParameter("Definition");
PrintWriter show = response.getWriter();
try
{
Class.forName("com.mysql.jdbc.Driver");
Connection dbConnection=DriverManager.getConnection("jdbc:mysql://localhost:3306/main_data","root","");
System.out.println(" Connection Created Successfully ");
PreparedStatement prepSt =(PreparedStatement) dbConnection.prepareStatement(" insert into 'keys'(requiredKeyword,noOfPages,textBookCode,pageNumbers,definition) values(?,?,?,?,?) ");
System.out.println(" Statement Prepared ");
int num=1,i=0;
prepSt.setString(1,requiredKeyword);
prepSt.setInt(2,num);
prepSt.setString(3,textBookCode);
prepSt.setString(4,pageNumbers);
prepSt.setString(5,definition);
try
{
i= prepSt.executeUpdate();
System.out.println(" Executed ");
}
catch(Exception e)
{
show.println(e);
}
if(i>0)
show.println(" Inserted Successfully ");
dbConnection.close();
}
catch (Exception e)
{
show.print(e);
}