Related
I'm trying to create an SSRS report that looks similar to the table below:
Report
Earliest Run
Recent Run
Runs Last 7 days
Runs YTD
Runs All Time
Report 1
3/3/19 1:30
7/8/22 2:45
8
86
233
I know how to query the last 3 columns individually, but is it possible to get all 3 columns using 1 query? I have tried the query below to show my line of thinking but its not working as desired.
SELECT Report
,Min(TimeStart) AS EarliestRun
,Max(TimeStart) AS RecentRun
,CASE WHEN TimeStart BETWEEN GETDATE()-7 AND GETDATE() THEN COUNT(Report) END AS RunsLast7Days
FROM ReportHistory
WHERE TimeStart BETWEEN '1/1/2019 00:00' AND GETDATE()
GROUP BY Report
Yes - use conditional aggregation. Don't filter the query at all since you need an "all time" value. Instead, use sum with a conditional expression for the periods of interest.
select ...
sum(case when TimeStart >= dateadd(day, -7, getdate()) then 1 else 0 end) as [Runs Last 7 days],
sum(case when TimeStart >= datefromparts(year(getdate()), 1, 1) then 1 else 0 end) as [Runs YTD],
...
from dbo.ReportHistory
order by ...;
I was going to propose using CROSS APPLY but SMor has done it with less code
CREATE TABLE #Reports (
ReportId INT NOT NULL,
ReportName VARCHAR(20) NOT NULL
);
INSERT INTO #Reports(ReportId, ReportName)
VALUES(1, 'Report 1');
CREATE TABLE #ReportRun (
ReportId INT,
RunDateTime DATETIME2(2)
);
INSERT INTO #ReportRun(ReportId, RunDateTime)
VALUES
(1, '20220508 10:00:00'),
(1, '20220502 10:00:00'),
(1, '20220101 10:00:00'),
(1, '20210501 10:00:00'),
(1, '20210209 10:00:00'),
(1, '20200509 10:00:00'),
(1, '20190509 10:00:00');
GO
-- SELECT * FROM #Reports
-- SELECT * FROM #ReportRun
SELECT R.ReportName, B.RunLast7Days, C.RunYearToDate, D.RunAllTime
FROM #Reports AS R
CROSS APPLY (
SELECT TOP 1 RunDateTime
FROM #ReportRun
WHERE ReportId = R.ReportId
ORDER BY RunDateTime DESC
) AS ER
CROSS APPLY (
SELECT COUNT(*) AS RunLast7Days
FROM #ReportRun
WHERE ReportId = R.ReportId
AND RunDateTime >= DATEADD(day, -7, CONVERT(date, GETDATE())) -- best to set it to the start of the day
GROUP BY ReportId
) AS B
CROSS APPLY (
SELECT COUNT(*) AS RunYearToDate
FROM #ReportRun
WHERE ReportId = R.ReportId
AND RunDateTime >= DATEADD(yy, DATEDIFF(yy, 0, GETDATE()), 0)
GROUP BY ReportId
) AS C
CROSS APPLY (
SELECT COUNT(*) AS RunAllTime
FROM #ReportRun
WHERE ReportId = R.ReportId
GROUP BY ReportId
) AS D
I have four tables in my database which is Star Schema Design. Those tables are
Product_DM (Product_Id, Product_Name)
Shop_DM (Branch_Id, Branch_Name, Branch_State)
Date_DM (Date_Id as Date, Day, Month and Year). Day and Month and Year values are populated based on Date_Id.
Revenue_FT (Product_id, Branch_Id, Date_Id, Quantity)
What I want to have is I want to look at 5 BRANCH OR SHOP which sells most products last five years of Boxing day.
SELECT
RF.BRANCH_ID,
SD.BRANCH_NAME,
SD.BRANCH_STATE,
PD.PRODUCT_NAME,
SELF_RF.TOTAL,
FORMAT ( DD.[date], 'd', 'en-US' ) AS 'Great Britain English Result'
FROM
PRODUCT_DM AS PD,
SHOP_DM AS SD,
DATE_DM AS DD,
REVENUE_FT AS RF
JOIN
(SELECT BRANCH_ID, [date], SUM(quantity) AS TOTAL
FROM REVENUE_FT
GROUP BY BRANCH_ID, [date]) AS SELF_RF ON SELF_RF.BRANCH_ID = RF.BRANCH_ID
AND SELF_RF.[date] = RF.[date]
WHERE
RF.BRANCH_ID = SD.BRANCH_ID
AND SD.BRANCH_STATE = 'NSW'
AND RF.[date] = DD.[date]
AND DD.[day] = 26
AND DD.[month] = 12
AND DD.[year] BETWEEN 2012 AND 2018
ORDER BY
SELF_RF.TOTAL DESC;
This is the query I have and this is the result:
The problem is it is not summing up different products and different dates (for example 12/26/2013 and 12/26/2014 should also sum up). I know I am doing something wrong in my query but I needed a hand.
See an example below where you're able to get the top 5 branch / shops which have had the highest sales over the past 5 boxing days.
It's an example based off your listed table structure above.
;with GetBranchDetailsAndData
as
(
--Joins the date table, sales, and shop details to get the branch details and quantity per transaction
SELECT
c.Branch_Id,
c.Branch_Name,
c.Branch_State,
a.Quantity
FROM
Revenue_FT a
INNER JOIN
DATE_DM b
ON
a.Date_Id = b.Date_Id
INNER JOIN
Shop_DM c
ON
c.Branch_Id = a.Branch_Id
WHERE
[DAY] = 26 AND
[Month] = 12
AND [Year] BETWEEN 2012 AND 2017 --Boxing days in 2012 - 2017
--You could also filter on a specific state in the where clause
),
SUMDetailsAndData
as
(
SELECT
Branch_ID,
Branch_Name,
Branch_State,
SUM(Quantity) as [Quantity] --Sum quantity per branch
FROM
GetBranchDetailsAndData
GROUP BY
Branch_ID,
Branch_Name,
Branch_State
),
GetTop5
as
(
SELECT
Branch_ID,
Branch_Name,
Branch_State,
Quantity,
DENSE_RANK() OVER(ORDER BY Quantity DESC) as [QuantityOrder] --DENSE RANK to get the quantity order
FROM
SUMDetailsAndData
)
SELECT
*
FROM
GetTop5
WHERE
QuantityOrder <= 5 --Where the quantity order less or equal to 5. This will return multiple rows if there is multiple with the same number in the top 5.
ORDER BY
QuantityOrder
Here is a snippet below which I used to generate testing data.
--Create tables
CREATE TABLE Product_DM (Product_Id bigint identity(1,1), Product_Name NVARCHAR(200))
CREATE TABLE Shop_DM (Branch_Id bigint identity(1,1), Branch_Name NVARCHAR(100), Branch_State NVARCHAR(100))
CREATE TABLE Date_DM (Date_Id bigint identity(1,1), [Day] int, [Month] int, [Year] int)
CREATE TABLE Revenue_FT (Product_id bigint, Branch_Id bigint, Date_Id bigint, Quantity bigint)
--Insert Data
INSERT INTO Product_DM (Product_Name) VALUES ('Test Product'),('Test Product2')
INSERT INTO Shop_DM (Branch_Name, Branch_State) VALUES
('Branch1', 'State1'), ('Branch2', 'State1'), ('Branch3', 'State1'), ('Branch4', 'State1'), ('Branch5', 'State1'),
('Branch6', 'State1'), ('Branch7', 'State1'), ('Branch8', 'State1'), ('Branch9', 'State1'), ('Branch10', 'State1')
DECLARE #DateStart date = '2010-01-01', #DateEnd date = '2018-01-01'
WHILE(#DateStart <= #DateEnd)
BEGIN
INSERT INTO DATE_DM ([day], [month], [year]) VALUES (DATEPART(dd, #datestart), DATEPART(MM, #datestart), DATEPART(YYYY, #datestart))
SET #DateStart = DATEADD(dd, 1, #DateStart)
END
--Insert random product sales
DECLARE #MinProduct int = 1, #MaxProduct int = 2
DECLARE #MinBranch int = 1, #MaxBranch int = 10
DECLARE #MinDate int = 1, #MaxDate int = 2923
DECLARE #Startloop int = 1, #EndLoop int = 200000
WHILE #Startloop <= #EndLoop
BEGIN
INSERT INTO Revenue_FT VALUES (
ROUND(((#MaxProduct - #MinProduct) * RAND() + #MinProduct), 0),
ROUND(((#MaxBranch - #MinBranch) * RAND() + #MinBranch), 0),
ROUND(((#MaxDate - #MinDate) * RAND() + #MinDate), 0), 1)
SET #Startloop = #Startloop + 1
END
Example output below:
I have a table containing orders. I would like to select those orders that are a certain number of days apart for a specific client. For example, in the table below I would like to select all of the orders for CustomerID = 10 that are at least 30 days apart from the previous instance. With the starting point to be the first occurrence (07/05/2014 in this data).
OrderID | CustomerID | OrderDate
==========================================
1 10 07/05/2014
2 10 07/15/2014
3 11 07/20/2014
4 11 08/20/2014
5 11 09/21/2014
6 10 09/23/2014
7 10 10/15/2014
8 10 10/30/2014
I would want to select OrderIDs (1,6,8) since they are 30 days apart from each other and all from CustomerID = 10. OrderIDs 2 and 7 would not be included as they are within 30 days of the previous order for that customer.
What confuses me is how to set the "checkpoint" to the last valid date. Here is a little "pseudo" SQL.
SELECT OrderID
FROM Orders
WHERE CusomerID = 10
AND OrderDate > LastValidOrderDate + 30
i came here and i saw #SveinFidjestøl already posted answer but i can't control my self after by long tried :
with the help of LAG and LEAD we can comparison between same column
and as per your Q you are looking 1,6,8. might be this is helpful
SQL SERVER 2012 and after
declare #temp table
(orderid int,
customerid int,
orderDate date
);
insert into #temp values (1, 10, '07/05/2014')
insert into #temp values (2, 10, '07/15/2014')
insert into #temp values (3, 11, '07/20/2014')
insert into #temp values (4, 11, '08/20/2014')
insert into #temp values (5, 11, '09/21/2014')
insert into #temp values (6, 10, '09/23/2014')
insert into #temp values (7, 10, '10/15/2014')
insert into #temp values (8, 10, '10/30/2014');
with cte as
(SELECT orderid,customerid,orderDate,
LAG(orderDate) OVER (ORDER BY orderid ) PreviousValue,
LEAD(orderDate) OVER (ORDER BY orderid) NextValue,
rownum = ROW_NUMBER() OVER (ORDER BY orderid)
FROM #temp
WHERE customerid = 10)
select orderid,customerid,orderDate from cte
where DATEDIFF ( day , PreviousValue , orderDate) > 30
or PreviousValue is null or NextValue is null
SQL SERVER 2005 and after
WITH CTE AS (
SELECT
rownum = ROW_NUMBER() OVER (ORDER BY p.orderid),
p.orderid,
p.customerid,
p.orderDate
FROM #temp p
where p.customerid = 10)
SELECT CTE.orderid,CTE.customerid,CTE.orderDate,
prev.orderDate PreviousValue,
nex.orderDate NextValue
FROM CTE
LEFT JOIN CTE prev ON prev.rownum = CTE.rownum - 1
LEFT JOIN CTE nex ON nex.rownum = CTE.rownum + 1
where CTE.customerid = 10
and
DATEDIFF ( day , prev.orderDate , CTE.orderDate) > 30
or prev.orderDate is null or nex.orderDate is null
GO
You can use the LAG() function, available in SQL Server 2012, together with a Common Table Expression. You calculate the days between the customer's current order and the customer's previous order and then query the Common Table Expression using the filter >= 30
with cte as
(select OrderId
,CustomerId
,datediff(d
,lag(orderdate) over (partition by CustomerId order by OrderDate)
,OrderDate) DaysSinceLastOrder
from Orders)
select OrderId, CustomerId, DaysSinceLastOrder
from cte
where DaysSinceLastOrder >= 30 or DaysSinceLastOrder is null
Results:
OrderId CustomerId DaysSinceLastOrder
1 10 NULL
6 10 70
3 11 NULL
4 11 31
5 11 32
(Note that 1970-01-01 is chosen arbitrarily, you may choose any date)
Update
A slighty more reliable way of doing it will involve a temporary table. But the original table tbl can be left unchanged. See here:
CREATE TABLE #tmp (id int); -- set-up temp table
INSERT INTO #tmp VALUES (1); -- plant "seed": first oid
WHILE (##ROWCOUNT>0)
INSERT INTO #tmp (id)
SELECT TOP 1 OrderId FROM tbl
WHERE OrderId>0 AND CustomerId=10
AND OrderDate>(SELECT max(OrderDate)+30 FROM tbl INNER JOIN #tmp ON id=OrderId)
ORDER BY OrderDate;
-- now list all found entries of tbl:
SELECT * FROM tbl WHERE EXISTS (SELECT 1 FROM #tmp WHERE id=OrderId)
#tinka shows how to use CTEs to do the trick, and the new windowed functions (for 2012 and later) are probably the best answer. There is also the option, assuming you do not have a very large data set, to use a recursive CTE.
Example:
declare #customerid int = 10;
declare #temp table
(orderid int,
customerid int,
orderDate date
);
insert into #temp values (1, 10, '07/05/2014')
insert into #temp values (2, 10, '07/15/2014')
insert into #temp values (3, 11, '07/20/2014')
insert into #temp values (4, 11, '08/20/2014')
insert into #temp values (5, 11, '09/21/2014')
insert into #temp values (6, 10, '09/23/2014')
insert into #temp values (7, 10, '10/15/2014')
insert into #temp values (8, 10, '10/30/2014');
with datefilter AS
(
SELECT row_number() OVER(PARTITION BY CustomerId ORDER BY OrderDate) as RowId,
OrderId,
CustomerId,
OrderDate,
DATEADD(day, 30, OrderDate) as FilterDate
from #temp
WHERE CustomerId = #customerid
)
, firstdate as
(
SELECT RowId, OrderId, CustomerId, OrderDate, FilterDate
FROM datefilter
WHERE rowId = 1
union all
SELECT datefilter.RowId, datefilter.OrderId, datefilter.CustomerId,
datefilter.OrderDate, datefilter.FilterDate
FROM datefilter
join firstdate
on datefilter.CustomerId = firstdate.CustomerId
and datefilter.OrderDate > firstdate.FilterDate
WHERE NOT EXISTS
(
SELECT 1 FROM datefilter betweens
WHERE betweens.CustomerId = firstdate.CustomerId
AND betweens.orderdate > firstdate.FilterDate
AND datefilter.orderdate > betweens.orderdate
)
)
SELECT * FROM firstdate
I have a SQL Server 2005 database which contains a table called Memberships.
The table schema is:
PersonID int, Surname nvarchar(30), FirstName nvarchar(30), Description nvarchar(100), StartDate datetime, EndDate datetime
I'm currently working on a grid feature which shows a break-down of memberships by person. One of the requirements is to split membership rows where there is an intersection of date ranges. The intersection must be bound by the Surname and FirstName, ie splits only occur with membership records of the same Surname and FirstName.
Example table data:
18 Smith John Poker Club 01/01/2009 NULL
18 Smith John Library 05/01/2009 18/01/2009
18 Smith John Gym 10/01/2009 28/01/2009
26 Adams Jane Pilates 03/01/2009 16/02/2009
Expected result set:
18 Smith John Poker Club 01/01/2009 04/01/2009
18 Smith John Poker Club / Library 05/01/2009 09/01/2009
18 Smith John Poker Club / Library / Gym 10/01/2009 18/01/2009
18 Smith John Poker Club / Gym 19/01/2009 28/01/2009
18 Smith John Poker Club 29/01/2009 NULL
26 Adams Jane Pilates 03/01/2009 16/02/2009
Does anyone have any idea how I could write a stored procedure that will return a result set which has the break-down described above.
The problem you are going to have with this problem is that as the data set grows, the solutions to solve it with TSQL won't scale well. The below uses a series of temporary tables built on the fly to solve the problem. It splits each date range entry into its respective days using a numbers table. This is where it won't scale, primarily due to your open ranged NULL values which appear to be inifinity, so you have to swap in a fixed date far into the future that limits the range of conversion to a feasible length of time. You could likely see better performance by building a table of days or a calendar table with appropriate indexing for optimized rendering of each day.
Once the ranges are split, the descriptions are merged using XML PATH so that each day in the range series has all of the descriptions listed for it. Row Numbering by PersonID and Date allows for the first and last row of each range to be found using two NOT EXISTS checks to find instances where a previous row doesn't exist for a matching PersonID and Description set, or where the next row doesn't exist for a matching PersonID and Description set.
This result set is then renumbered using ROW_NUMBER so that they can be paired up to build the final results.
/*
SET DATEFORMAT dmy
USE tempdb;
GO
CREATE TABLE Schedule
( PersonID int,
Surname nvarchar(30),
FirstName nvarchar(30),
Description nvarchar(100),
StartDate datetime,
EndDate datetime)
GO
INSERT INTO Schedule VALUES (18, 'Smith', 'John', 'Poker Club', '01/01/2009', NULL)
INSERT INTO Schedule VALUES (18, 'Smith', 'John', 'Library', '05/01/2009', '18/01/2009')
INSERT INTO Schedule VALUES (18, 'Smith', 'John', 'Gym', '10/01/2009', '28/01/2009')
INSERT INTO Schedule VALUES (26, 'Adams', 'Jane', 'Pilates', '03/01/2009', '16/02/2009')
GO
*/
SELECT
PersonID,
Description,
theDate
INTO #SplitRanges
FROM Schedule, (SELECT DATEADD(dd, number, '01/01/2008') AS theDate
FROM master..spt_values
WHERE type = N'P') AS DayTab
WHERE theDate >= StartDate
AND theDate <= isnull(EndDate, '31/12/2012')
SELECT
ROW_NUMBER() OVER (ORDER BY PersonID, theDate) AS rowid,
PersonID,
theDate,
STUFF((
SELECT '/' + Description
FROM #SplitRanges AS s
WHERE s.PersonID = sr.PersonID
AND s.theDate = sr.theDate
FOR XML PATH('')
), 1, 1,'') AS Descriptions
INTO #MergedDescriptions
FROM #SplitRanges AS sr
GROUP BY PersonID, theDate
SELECT
ROW_NUMBER() OVER (ORDER BY PersonID, theDate) AS ID,
*
INTO #InterimResults
FROM
(
SELECT *
FROM #MergedDescriptions AS t1
WHERE NOT EXISTS
(SELECT 1
FROM #MergedDescriptions AS t2
WHERE t1.PersonID = t2.PersonID
AND t1.RowID - 1 = t2.RowID
AND t1.Descriptions = t2.Descriptions)
UNION ALL
SELECT *
FROM #MergedDescriptions AS t1
WHERE NOT EXISTS
(SELECT 1
FROM #MergedDescriptions AS t2
WHERE t1.PersonID = t2.PersonID
AND t1.RowID = t2.RowID - 1
AND t1.Descriptions = t2.Descriptions)
) AS t
SELECT DISTINCT
PersonID,
Surname,
FirstName
INTO #DistinctPerson
FROM Schedule
SELECT
t1.PersonID,
dp.Surname,
dp.FirstName,
t1.Descriptions,
t1.theDate AS StartDate,
CASE
WHEN t2.theDate = '31/12/2012' THEN NULL
ELSE t2.theDate
END AS EndDate
FROM #DistinctPerson AS dp
JOIN #InterimResults AS t1
ON t1.PersonID = dp.PersonID
JOIN #InterimResults AS t2
ON t2.PersonID = t1.PersonID
AND t1.ID + 1 = t2.ID
AND t1.Descriptions = t2.Descriptions
DROP TABLE #SplitRanges
DROP TABLE #MergedDescriptions
DROP TABLE #DistinctPerson
DROP TABLE #InterimResults
/*
DROP TABLE Schedule
*/
The above solution will also handle gaps between additional Descriptions as well, so if you were to add another Description for PersonID 18 leaving a gap:
INSERT INTO Schedule VALUES (18, 'Smith', 'John', 'Gym', '10/02/2009', '28/02/2009')
It will fill the gap appropriately. As pointed out in the comments, you shouldn't have name information in this table, it should be normalized out to a Persons Table that can be JOIN'd to in the final result. I simulated this other table by using a SELECT DISTINCT to build a temp table to create that JOIN.
Try this
SET DATEFORMAT dmy
DECLARE #Membership TABLE(
PersonID int,
Surname nvarchar(16),
FirstName nvarchar(16),
Description nvarchar(16),
StartDate datetime,
EndDate datetime)
INSERT INTO #Membership VALUES (18, 'Smith', 'John', 'Poker Club', '01/01/2009', NULL)
INSERT INTO #Membership VALUES (18, 'Smith', 'John','Library', '05/01/2009', '18/01/2009')
INSERT INTO #Membership VALUES (18, 'Smith', 'John','Gym', '10/01/2009', '28/01/2009')
INSERT INTO #Membership VALUES (26, 'Adams', 'Jane','Pilates', '03/01/2009', '16/02/2009')
--Program Starts
declare #enddate datetime
--Measuring extreme condition when all the enddates are null(i.e. all the memberships for all members are in progress)
-- in such a case taking any arbitary date e.g. '31/12/2009' here else add 1 more day to the highest enddate
select #enddate = case when max(enddate) is null then '31/12/2009' else max(enddate) + 1 end from #Membership
--Fill the null enddates
; with fillNullEndDates_cte as
(
select
row_number() over(partition by PersonId order by PersonId) RowNum
,PersonId
,Surname
,FirstName
,Description
,StartDate
,isnull(EndDate,#enddate) EndDate
from #Membership
)
--Generate a date calender
, generateCalender_cte as
(
select
1 as CalenderRows
,min(startdate) DateValue
from #Membership
union all
select
CalenderRows+1
,DateValue + 1
from generateCalender_cte
where DateValue + 1 <= #enddate
)
--Generate Missing Dates based on Membership
,datesBasedOnMemberships_cte as
(
select
t.RowNum
,t.PersonId
,t.Surname
,t.FirstName
,t.Description
, d.DateValue
,d.CalenderRows
from generateCalender_cte d
join fillNullEndDates_cte t ON d.DateValue between t.startdate and t.enddate
)
--Generate Dscription Based On Membership Dates
, descriptionBasedOnMembershipDates_cte as
(
select
PersonID
,Surname
,FirstName
,stuff((
select '/' + Description
from datesBasedOnMemberships_cte d1
where d1.PersonID = d2.PersonID
and d1.DateValue = d2.DateValue
for xml path('')
), 1, 1,'') as Description
, DateValue
,CalenderRows
from datesBasedOnMemberships_cte d2
group by PersonID, Surname,FirstName,DateValue,CalenderRows
)
--Grouping based on membership dates
,groupByMembershipDates_cte as
(
select d.*,
CalenderRows - row_number() over(partition by Description order by PersonID, DateValue) AS [Group]
from descriptionBasedOnMembershipDates_cte d
)
select PersonId
,Surname
,FirstName
,Description
,convert(varchar(10), convert(datetime, min(DateValue)), 103) as StartDate
,case when max(DateValue)= #enddate then null else convert(varchar(10), convert(datetime, max(DateValue)), 103) end as EndDate
from groupByMembershipDates_cte
group by [Group],PersonId,Surname,FirstName,Description
order by PersonId,StartDate
option(maxrecursion 0)
[Only many, many years later.]
I created a stored procedure that will align and break segments by a partition within a single table, and then you can use those aligned breaks to pivot the description into a ragged column using a subquery and XML PATH.
See if the below help:
Documentation: https://github.com/Quebe/SQL-Algorithms/blob/master/Temporal/Date%20Segment%20Manipulation/DateSegments_AlignWithinTable.md
Stored Procedure: https://github.com/Quebe/SQL-Algorithms/blob/master/Temporal/Date%20Segment%20Manipulation/DateSegments_AlignWithinTable.sql
For example, your call might look like:
EXEC dbo.DateSegments_AlignWithinTable
#tableName = 'tableName',
#keyFieldList = 'PersonID',
#nonKeyFieldList = 'Description',
#effectivveDateFieldName = 'StartDate',
#terminationDateFieldName = 'EndDate'
You will want to capture the result (which is a table) into another table or temporary table (assuming it is called "AlignedDataTable" in below example). Then, you can pivot using a subquery.
SELECT
PersonID, StartDate, EndDate,
SUBSTRING ((SELECT ',' + [Description] FROM AlignedDataTable AS innerTable
WHERE
innerTable.PersonID = AlignedDataTable.PersonID
AND (innerTable.StartDate = AlignedDataTable.StartDate)
AND (innerTable.EndDate = AlignedDataTable.EndDate)
ORDER BY id
FOR XML PATH ('')), 2, 999999999999999) AS IdList
FROM AlignedDataTable
GROUP BY PersonID, StartDate, EndDate
ORDER BY PersonID, StartDate
I have a query where i have a date column (time) which tells about "IN" & "OUT" timing of the people attendance by this single column
My queries are :-
1) How to get the daily attendance of each employee
2) How to come to know if the employee is present less than 5 hours
Please let me know the queries in SQL server.
You'll need to group the query by the user and the items for a particular day then compare the maximum and minimum values, e.g.
declare #users table (
UserId int,
DateColumn datetime
)
insert into #users values (1, '2008-10-31 15:15')
insert into #users values (1, '2008-10-31 10:30')
insert into #users values (1, '2008-10-30 16:15')
insert into #users values (1, '2008-10-30 10:30')
select
UserID
, cast(dt as datetime) dt
, [in]
, [out]
, case when datepart(hour, [out]-[in]) >= 5 then 'yes' else 'no' end [5Hours?],
, cast(datediff(minute, [in], [out]) as float)/60 [hours]
from (
select
UserID
, convert(varchar, DateColumn, 112) dt
, min(DateColumn) [in]
, max(DateColumn) [out]
from #users
group by
UserID, convert(varchar, DateColumn, 112)
) a
To find the difference between two datetimes you can use the following:
SELECT Datepart(hour, dateTimeEnd - dateTimeStart)
The DatePart function returns part of a date time variable, and the dateTimeEnd - dateTimeStart returns the difference between two dates as a new DateTime
select
datediff(minute, TimeFrom, TimeTo) as AttendedTimeInMinutes,
case when datediff(minute, sTimeFrom, sTimeTo) < 5 * 60
then
'less than 5 hours'
else '5 hours or more'
end
from YourTable