select record count from table based on two another table

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i have 3 tables like below :

orders : order_id,order_date
drivers : driver_id, driver_name
notifications : driver_id , order_id,order_delivery

i want record count from table notifications
where order_date >= startDate AND order_date <= endDate

Example 1
startDate=2014/01/01
endDate= 2014/01/31
Result------------------
driverName1 123
dirverName2 427
driverName3 234

Example 1
startDate=2014/01/01
endDate= 2014/01/20
Result------------------
driverName1 38
dirverName2 147
driverName3 94

Thanks a lot

Posted 30-Nov-14 22:39pm

Esmaeil Ebrahimi

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3 solutions

Solution 2

select count(N.order_id) from orders O left join notifications N on O.order_id=N.order_id where O.order_date >=startDate AND order_date <=EndDate

Posted 30-Nov-14 22:47pm

Kan07

Solution 1

I guess you want something like below

SQL

select 
      driverName,count(Order_id)
from orders O 
Join notifications N On O.Order_ID=N.Order_Id
Join drivers D On  N.Driver_id=D.Driver_ID 
where order_date >= startDate 
      AND order_date <= endDate
Group by driverName

Also refer for Joins

SQL Joins - W3Schools[^]

Posted 30-Nov-14 22:43pm

Shweta N Mishra

Updated 30-Nov-14 22:46pm

v3

Comments

[no name] 1-Dec-14 4:49am

your code not working
i want count from table notifications , i think you count from orders !

Shweta N Mishra 1-Dec-14 5:03am

put your sample table data above your expected result to better understand your issue.

that was a sample code , you could modify it as per your requirement.

[no name] 1-Dec-14 6:10am

thanks Shweta N Mishra
my problem was solved

Shweta N Mishra 1-Dec-14 6:12am

np;)

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syed shanu · Accepted Answer · 2014-11-30T22:57:00

Here is your result hope this will help you.

SQL

-- Create Table
CREATE TABLE [dbo].[orders](
[order_id] [int] NOT NULL,
[order_date] DateTime NULL
)
 
CREATE TABLE [dbo].[drivers](
[driver_id] [int] NOT NULL,
[driver_name] varchar(50) NULL
)
CREATE TABLE [dbo].[notifications](
[driver_id] [int] NOT NULL,
[order_id] [int] NOT NULL,
[order_delivery] varchar(50) NULL
)
GO
-- Sample Insert
INSERT [dbo].[orders]  VALUES (1, getdate())
INSERT [dbo].[orders]  VALUES (2, DATEADD(day,30,getdate()) )
INSERT [dbo].[orders]  VALUES (3, DATEADD(day,15,getdate()) )
INSERT [dbo].[drivers] VALUES (1, 'Driver1')
INSERT [dbo].[drivers] VALUES (2, 'Driver2')
INSERT [dbo].[drivers] VALUES (3, 'Driver3')
INSERT [dbo].[drivers] VALUES (4, 'Driver4')
INSERT [dbo].[notifications] VALUES (1,1, 'YES')
INSERT [dbo].[notifications] VALUES (1,1, 'YES')
INSERT [dbo].[notifications] VALUES (1,2, 'YES')
INSERT [dbo].[notifications] VALUES (1,3, 'YES')
INSERT [dbo].[notifications] VALUES (1,4, 'YES')
INSERT [dbo].[notifications] VALUES (2,1, 'YES')
INSERT [dbo].[notifications] VALUES (2,2, 'YES')
INSERT [dbo].[notifications] VALUES (2,2, 'YES')
INSERT [dbo].[notifications] VALUES (2,2, 'YES')
INSERT [dbo].[notifications] VALUES (2,3, 'YES')
INSERT [dbo].[notifications] VALUES (3,2, 'YES')
INSERT [dbo].[notifications] VALUES (3,2, 'YES')
INSERT [dbo].[notifications] VALUES (3,2, 'YES')
INSERT [dbo].[notifications] VALUES (3,2, 'YES')
INSERT [dbo].[notifications] VALUES (3,3, 'YES')
---------------

-- Your select Query 
Declare @StartDate datetime= getdate(),
@endate datetime=DATEADD(day,30,getdate())
Select D.Driver_Name ,
		Count(N.order_delivery) TotalCounts
	 FROM
		notifications N 
		Left Outer JOIN orders O
		ON N.order_id=O.Order_id
		Left Outer JOIN drivers D
		ON N.driver_id=D.driver_id
		Where
		O.order_date between @StartDate and @endate
		Group BY
		D.Driver_Name