display data from multiple tables using php

Question

I have two tables

tblData
ID Name
1  ABC
2  XYZ

tblDetails  
ID DataID PayDate     Amount ApprovedDate
1  1      15-08-2015  200    20-18-2015 
2  1      16-08-2015  300    20-18-2015
3  1      17-08-2015  50     20-18-2015 
4  2      18-08-2015  100    21-18-2015   
5  2      19-08-2015  500    21-18-2015  

I need to get the result like the following

ID          Duration                TotalAmount ApprovedDate 
1   15-08-2015 - 17-08-2015         550         20-18-2015  
2   18-08-2015 - 19-08-2015         600         21-18-2015  

How can I accomplish this?

Answer 1

It seems like a simple GROUP BY together with some aggregate functions can do the job:

SELECT DataID, CONCAT(MIN(PayDate), ' - ', MAX(PayDAte)) AS  Duration,
       SUM(Amount) AS TotalAmount, MAX(ApprovedDate) AS ApprovedDate 
FROM tblDetails
GROUP BY DataID

Demo here

Note: Table tblData does not seem to play any role in producing the required result set.

Answer 2

You can use joins in your query which will join data from different tables into one. Simple example