Transact SQL :: Check If A Date Is Within A Range Of Dates?

Aug 20, 2015

Basically, I have a membership table that lists each member with an effective period, Eff_Period, that indicates a month when a member was active. So, if a member is active from Jan to Mar, there will be three rows with Eff_Periods of 201501, 201502 and 201503.

All well and good.But, a member may not necessarily have continuous months for active membership. They might have only been active for Jan, Feb and Jun. That would still give them three rows, but with noncontinuous Eff_Periods; they'd be 201501, 201502 and 201506.There is also a table that logs member activity. It has an Activity_Date that holds the date of the activity - betcha didn't see that comin'. What I'm trying to do is determine if an activity took place during a period when the member was active.

My original thought was to count how many rows a member has in the Membership table and compare that number to the number of months between the MIN(Eff_Period) and the MAX(Eff_Period). If the numbers didn't matchup, then I knew that the member had a disconnect somewhere; he became inactive, then active again. But, then I thought of the scenario I detailed above and realized that the counts could match, but still have a discontinuity.So, is there a nifty little SQL shortcut that could determine if a target month is contained within a continuous or discontinuous list of months?

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Transact SQL :: Combining Dates To Group Into A Date Range?

Nov 17, 2015

My scenario is: a person has many events, all based on a date.  I need to aggregate the person to show min and max dates for a period, the period being defined as ending when there is not an event following the next date.

DECLARE @Events TABLE
(
PK_EventINTIDENTITY(1,1) PRIMARY KEY
,FK_UserINTNOT NULL
,EventDateDATENOT NULL
)
DECLARE @User TABLE

[Code] ....

I would expect the groups to look something like below:

Is this where a recursive CTE may be used?

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Dates In A Date Range

Oct 8, 2005

Is there a way that I can get a resultset that contains unique dates ina given date range without the need to have a temporary table and acursor?perhaps something like:declare @start_date as datetimedeclare @end_date as datetimeset @start_date as '1/1/2005'set @end_date as '1/1/2006'select fn_getuniquedate(@start_date, @end_date)1/1/20051/2/20051/3/2005...12/31/2005

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Pulling All Dates Within A Date Range

Jul 6, 2006

I am currently working in the sql server 2000 environment and I want towrite a function to pull all dates within a given date range. I havecreated several diferent ways to do this but I am unsatisfied withthem. Here is what I have so far:declare @Sdate as datetimedeclare @Edate as datetimeset @SDate = '07/01/2006'set @EDate = '12/31/2006'select dateadd(dd, count(*) - 1, @SDate)from [atable] vinner join [same table] v2 on v.id < v2.idgroup by v.idhaving count(*) < datediff(dd, @SDate, @EDate)+ 2order by count(*)this works just fine but it is dependent on the size of the table youpull from, and is really more or less a hack job. Can anyone help mewith this?thanks in advance

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Transact SQL :: Add Random Dates To Existing Table From Defined Range

Jun 15, 2015

I'm trying to add random dates to date column in existing table, but these need to be week days (Mon-Fri).I'm a beginner in TSQL, worked with MS Access many years - in Access I used to do something a bit different:

DateAdd("d",(Int((5*Rnd([ID]))+1)),#31/08/2015#)
Table had ID, I gave a date it would start from (31/08/2015) and then range of ID to apply new date:
UPDATE table1 SET table1 .date = DateAdd("d",(Int((5*Rnd([ID]))+1)),#31/08/2015#)
WHERE (((table1 .ID) Between 1 And 5456));

This was applying random dates in range of 31/08/2015 + 5 days, so I could give a starting date of Sunday to get random dates populated over given IDs from Monday to Friday.Now, how can I do it in TSQL?I have a table with ID and dates column. I would like to apply new random dates from some range, but making sure they will be week days.

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Stored Procedure To Check Date Range

Nov 10, 2006

Hi guys,I have written a stored procedure to check for date range, say if the user enters a value for 'city-from' , 'city-to', 'start-date' and end-date, this stored procedure should verify these 2 dates against the dates stored in the database. If these 2 dates had already existed for the cities that they input, the stored procedure should return 1 for the PIsExists parameter. Below's how I constructed the queries:  1 ALTER PROCEDURE dbo.DateCheck
2 @PID INTEGER = -1 OUTPUT,
3 @PCityFrom Char(3) = '',
4 @PCityTo Char(3) = '',
5 @PDateFrom DATETIME = '31 Dec 9999',
6 @PDateTo DATETIME = '31 Dec 9999',
7 @PIsExists BIT = 1 OUTPUT
8 AS
9
10 CREATE TABLE #TmpControlRequst
11 (
12 IDINTEGER,
13 IsExistsCHAR(1)
14 )
15 /*###Pseudo
16 1. Check the Date From and Date To
17 -- select all the value equal to parameter cityFrom and cityTo
18 -- insert the selection records into tmp table
19 --*/
20 INSERT INTO #TmpControlRequst
21 (ID, IsExists)
22 SELECT ID,
23 IsExists = CASE WHEN DateFrom <> '31 Dec 9999' AND DateTo <> '31 Dec 9999'
24 AND @PDateFrom <= DateFrom AND @PDateFrom <= DateTo
25 AND @PDateTo >= DateFrom AND @PDateTo <= DateTo THEN 1
26 WHEN DateFrom <> '31 Dec 9999' AND DateTo <> '31 Dec 9999'
27 AND @PDateFrom >= DateFrom AND @PDateFrom <= DateTo
28 AND @PDateTo >= DateFrom AND @PDateTo <= DateTo THEN 1
29 WHEN DateFrom <> '31 Dec 9999' AND DateTo <> '31 Dec 9999'
30 AND @PDateFrom >= DateFrom AND @PDateFrom <= DateTo
31 AND @PDateTo >= DateFrom AND @PDateTo >= DateTo THEN 1
32 WHEN DateFrom <> '31 Dec 9999' AND DateTo <> '31 Dec 9999'
33 AND @PDateFrom <= DateFrom AND @PDateFrom <= DateTo
34 AND @PDateTo >= DateFrom AND @PDateTo >= DateTo THEN 1
35 ELSE 0 END
36 FROM RequestTable
37 WHERE ID <> @PID
38 AND CityFrom = @PCityFrom
39 AND CityTo = @PCityTo
40
41 --======== FINAL RESULT
42 -- For tmp table:-
43 -- isExists = 1 ==> date lapse
44 -- isExists = 0 ==> date ok
45 -- if count for (isExists = 1) in tmp table is > 0 then return 1 and data not allow for posting
46 SELECT @PIsExists = CASE WHEN COUNT(*) > 0 THEN 1
47 ELSE 0 END
48 FROM #TmpControlRequst
49 WHEREIsExists = 1
50
51 SELECT @PIsExists
52 --=========
53
54 DROP TABLE #TmpControlRequst
55
56 --=========
57 RETURN(0)However, when I run this stored procedure, 'PIsExists' would always return -1. I am positive that the values that I passed in, had already existed in the database. Any idea what might be causing this problem? Thanks in advance

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Transact SQL :: Check Constraint With UDF To Prevent Overlapping Dates?

Oct 6, 2015

I am trying to create a check constraint that prevents entry of a date range that overlaps any other date range in the table.  The below example script results in the error message: The INSERT statement conflicted with the CHECK constraint "ck_dt_overlap". what I am doing wrong?

CREATE TABLE t1 (d1 date,d2 date)
go
create function dbo.dt_overlap (@d1 date, @d2 date) RETURNS BIT
AS
BEGIN
 IF EXISTS (SELECT 1 from t1 where d1 between @d1 and @d2 or d2 between @d1 and @d2)
  RETURN 1
  RETURN 0
END
go
alter table t1 add constraint ck_dt_overlap CHECK (dbo.dt_overlap(d1,d2)=0)
go
insert into t1 values ('2015-01-01','2015-02-01')
insert into t1 values ('2015-01-15','2015-02-15')

--BOTH inserts result in the following message:  The INSERT statement conflicted with the CHECK constraint "ck_dt_overlap".

drop table t1
drop function dbo.dt_overlap

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How To Use The Custom Code (getting Start And End Dates Of Every Month In Date Range) In The Report ?

Mar 29, 2007

Hi all,

I am trying to use the custom code in the report but I don't think I am understanding how this is being used.

I have a function to get starting months for a report parameter.
The function is below:-

--------------------------------------------------------------
Shared Function GetStartingMonths() as String
dim strDefault as string
dim CurrentMonth as String
Dim SqlString as String

'strDefault = Month(Now) & "/1/" & Year(Now)
CurrentMonth = "5/1/2002"
Do While CDate(CurrentMonth) <= Now
SqlString = SqlString + "Select " & CurrentMonth & " as value, " & MonthName(Month(CurrentMonth)) & " " & Year(CurrentMonth) & " as MonthYear"
CurrentMonth = dateadd("m",1,CDate(CurrentMonth))

if Cdate(CurrentMonth) = Now then
Exit Do
else
sqlString = SqlString & " Union "
end if

Loop

return SqlString

End Function
---------------------------------------------------------------
what i am trying to do here, and hopefully produce a sql string that would fill my dataset of dates and their representation.

In the dataset, I had put the following expression
=Code.GetStartingMonths()

However, I can't seem to get the parameter to display the dates. shows up as disabled in my report.

Am I doing something wrong here or is there a better way to doing this ?

Additionally, I was wondering whether there is a better SQL code that would achieve the same thing I am doing ?

thanks !

Bernard Ong

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Check User Supplied Date Range Is In Between Startdate And Enddate?

May 3, 2012

I need query which will check user supplied date range is in between the existing table startdate and enddate.

if any of the date of user supplied date range is in between the tables start date and end date,it should retrun that record from table.

for example user supply date range is from 1 may 2012 to 5 may 2012.

then query must check that

1 may 2005
2 may 2005
3 may 2005
4 may 2005
5 may 2005

(all dates) is in between startdate and enddate of existing table.

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Transact SQL :: How To Select First And Last Date Within A Range

Oct 12, 2015

I have a table with the following data:

Type Date Subtype
1 1-1-2015 10
1 5-1-2015 10
1 6-1-2015 10
1 15-1-2015 11
1 20-1-2015 10

[Code] ....

I want to group by the data to the following while saving the first and last date within each type and subtype: 

type startdate enddate subtype
1 1-1-2015 6-1-2015 10
1 15-1-2015 15-1-2015 11
1 20-1-2015 22-1-2015 10
1 25-1-2015 28-1-2015 12
2 2-1-2015 5-1-2015 11
2 6-1-2015 7-1-2015 12
2 14-1-2015 20-1-2015 11
2 23-1-2015 30-1-2015 13

I tried several approaches, but I can't fnd a solution to do this with T-SQL.

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Transact SQL :: Date Within Range Calculations

Jul 31, 2015

I'm trying to move some logic that I have currently within a program and putting it into SQL instead.

My table has the following 3 fields that are of interest to me: StartDate (DateTime), StopDate(DateTime), Length (int)

Length is calculated based on StopDate - StartDate and is expressed to the nearest minute.

What I want to do is query the Db giving a start date and end date and return all records that fall within that date range. I then want to present that data such that the earliest date is set to the start date criteria, the last to the end date criteria and the length recalculated.

Say for example I query for results between 01/02/2015 07:00:00 and 01/02/2015 19:00:00 and I get the following:

Start Stop Length
01/02/2015 06:30:00 01/02/2015 07:05:00 35
01/02/2015 07:05:00 01/02/2015 10:00:00 175
01/02/2015 10:00:00 01/02/2015 19:15:00 555

I would like the output to show as

Start Stop Length
01/02/2015 07:00:00 01/02/2015 07:05:00 5
01/02/2015 07:05:00 01/02/2015 10:00:00 175
01/02/2015 10:00:00 01/02/2015 19:00:00 540

Is there a way to do this?

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Transact SQL :: Select First And Last Record For Certain Date Range

Jun 16, 2015

I have a situation where an agent has number of activities for a certain date range. If an agent has multiple activities within certain date range, I would like BALANCE BEFORE from the first activity and BALANCE AFTER from the last activity. Here is my current SQL query that returns the following data:

DECLARE @BeginDate Datetime
DECLARE @EndDate Datetime
Set @BeginDate = '05-1-2015'
Set @EndDate = '05-31-2015'
SELECT
a.AgentName,
R.BALANCEBEFORE,

[Code] ....

AGENTNAME          BALANCE BEFORE  BALANCE AFTER          DATE
DOUGLAS              9738.75                9782.75                     2015-05-11
DOUGLAS              9782.75                9804.75                     2015-05-12
DOUGLAS              9804.75                9837.75                     2015-05-13

In the sample data above, ideally I would like my query to return data as follow:

AGENTNAME          BALANCE BEFORE                  BALANCE AFTER
DOUGLAS              9738.75 (from first activity)    9837.75 (from last activity)

Not sure how I can write sql query to accomplish this.

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Transact SQL :: How To Query Records For A Date Range

Oct 14, 2015

This one is making my head hurt!  Trying to figure out how to query for records between date range.  The records have a start_date and an end_date field.  The end_date field maybe null.

For example, say you wanted to see the records of everyone checked into a hotel during a given date range.  You need to account for the people that checked in before you @start_date parameter and may check out after your @end_date parameter.  

fyi- As for the null end_date field, think of this as they have checked in and not sure when they will checkout yet.

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Transact SQL :: Loop A Month In A Specified Date Range?

Jul 23, 2015

I am trying to query a code where i need to loop a month in a specified date range. Inside the loop I need to return a result of data each month and need to update the table of the returned data. How do I do the update a field inside the loop? Here's my query:

declare @table1 table (
YEAR_EFF int,
MONTH_EFF int,
IDNumber (8),
SUBS_CNT smallint,
MEM_CNT smallint)
declare @StartDate datetime,

[code]....

Others says I need to use exec sp_executesql N'' but how do I use it using my code above?

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Transact SQL :: Get Activated Data For A Date Range?

Jun 29, 2015

I've data like below:

Now, I've to get active data for a particular date range. Let me explain the active data definition as below:

StartDate : 01-Jul-2015
EndDate : 31-Dec-2015

It should return all the data which was active for that date range even if it was only for one day.If no data found for that date range, check the last record before start date and and if its active then it should be returned else not.

I though of creating a function and pass primary key with date range and return the final status but that doesn't seems like an optimized query.

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Transact SQL :: Query DateTime Field By Date Range

Dec 2, 2015

I have a table of errors with a DateTime field for when the error occurred.  I want to query the table for a given date range omitting the time portion.  What is the most efficient way to perform this query?

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Transact SQL :: Grouping Records With A Date Range Into Islands

Nov 18, 2015

I tried to ask a similar question yesterday and got shot down, so I'll try again in a different way.  I have been looking online at the gaps and islands approach, and it seems to always be referencing a singular field, so i can't find anything which is clear to get my head around it.In the context of a hotel (people checking in and out) I would like to identify how long someone has been staying at the hotel (The Island?) regardless if they checked out and back in the following day.

Data example:
DECLARE @LengthOfStay TABLE
(
PersonVARCHAR(8) NOT NULL,
CheckInDATE NOT NULL,
CheckOutDATE NULL

[code]...

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Transact SQL :: Recognizing Month And Proportion In A Date Range

Oct 8, 2015

I need to recognize only one month in a date range e to make a proportion of the quantity. Practically, period 31-08-2015 - 30-09-2015 is 31 days, 1 belonging August and 30 belonging September so 3.2258% of the quantity must belong August and 96.7742% September. The quantity 200, so 193.54 belong September (That's what I need to achieve). Range 01-09-2015 / 30-09-2015 Qty 500, all 500 belong September.

Range 01-07-2015 / 20-08-2015 Qty 2500 0 belong September. A little bit more complicated if I got 25-06-2015 / 16-12-2015. it 30 day for September and with a datediff I can count the days and make a proportion. I can write piece by piece the code but I'd prefer of course to have only one query for this.

The DDL:
create table forum (idd int, byfrom date, byto date, qty int)
insert into forum values
(1,'2015-06-15','2015-08-18',300),(2,'2015-09-16','2015-10-04',400),(3,'2015-07-28','2015-09-27',1000),
(4,'2015-09-01','2015-09-30',500),(5,'2015-09-03','2015-09-03',300),(6,'2015-08-02','2015-09-02',100),
(7,'2015-07-01','2015-07-30',500),(8,'2015-06-03','2015-12-08',500),(9,'2015-09-01','2015-09-30',500),
(10,'2015-08-04','2015-09-04',300)

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Transact SQL :: List Date Between Dates

Aug 22, 2015

i have a table like below
CREATE TABLE #Test (FromDate DATE,ToDate DATE)
insert into #Test VALUES ('2015-08-08','2015-08-11')
insert into #Test VALUES ('2015-08-13','2015-08-16')
insert into #Test VALUES ('2015-08-19','2015-08-21')
SELECT * from #Test
drop TABLE #Test

i need to display the dates as single column between from and todate.my expected result is like below

CREATE TABLE #Result (ResDate DATE)
insert into #Result VALUES ('2015-08-08')
insert into #Result VALUES ('2015-08-09')
insert into #Result VALUES ('2015-08-10')
insert into #Result VALUES ('2015-08-11')

[code]....

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Transact SQL :: Query Distinct Results Based On Date Range

May 21, 2015

I have a data structure like this

UID , Name, amount, start date                               End Date
     1      A         10         2015-05-01 00:00:00             2015-05-01 23:59:59
     2      A         10         2015-05-02 00:00:00             2015-05-02 23:59:59
     3      A         10         2015-05-03 00:00:00             2015-05-03 23:59:59
     4      A         10         2015-05-04 00:00:00             2015-05-04 23:59:59
      5      B         10         2015-05-05 00:00:00             2015-05-05 23:59:59

[code]...

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Transact SQL :: Date Difference Between Two Dates In Due And OverDue

Sep 25, 2015

I want a difference in days 

Select datediff(dd,Target_Date,Achv_Date) 
Now , checks are 
1] when target date greater than achv_Date the difference should be greater than 0 
means for FileID 77608 
Select datediff(dd,'2015-09-24 00:00:00.000','2015-09-24 10:42:32.823')
 
i am getting -6 it should be 6 cant switch Target_Date and Achv_Date in datediff else i will get opposite result in first four records basically, i want a two column TAT and Status beside  achv_date based on the values of two dates difference see above ..and also want a result of (No. of Yes in status / No. of Files that has achv_date )i.e. result= (7/8) = 87% 

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Transact SQL :: Combining Parts Of 2 Dates Into Third Date

May 7, 2015

In a stored procedure I have 2 dates that I need to combine parts of into a third date. I need the year from date1 and the month/day from date2.

Date1 = '2015/6/1'
Date2 = '2016/1/1'
Date3 needs to be '2015/1/1'

I have been messing around with datepart and dateadd with no luck.

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Transact SQL :: How To Get Four Quarter End Dates Based On Given Date

Jun 3, 2015

I have a simple following table which is having only one date column.

CREATE TABLE TEST_DATE
(
InputDate DATE
)
GO
INSERT INTO TEST_DATE VALUES('01-01-2015')
INSERT INTO TEST_DATE VALUES('06-25-2015')
INSERT INTO TEST_DATE VALUES('11-23-2014')
GO
SELECT * FROM TEST_DATE;

And the expected out put would be as follows:

I want to derive a Four Quarter End Date based on Date selected.

For Example if i select 01-01-2015 then
First Quarter End Date would be Previous Quarter End Date
Second Quarter End Date would be Current Quarter End Date
Third Quarter End Date would be Next Quarter End Date
Fourth Quarter End Date would be Next +1 Quarter End Date Like that

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Transact SQL :: Query To Get Date Span Between Dates

May 23, 2015

I need to calculate the amount of time between each visit. I am pulling the Row Number for my visits and now I need the date span that goes between each day. I also need a new column that returns a Yes or a No if the date span exceeds 3 years.

SELECT
ROW_NUMBER ( ) OVER ( PARTITION BY pv.PatientProfileId ORDER BY pv.Visit ASC ) AS RN
, CONVERT ( VARCHAR ( 20 ) , pv.Visit , 101 ) AS Visit
, pv.TicketNumber
, vstatus.Description AS VisitStatus
, doc.ListName AS Doctor

[Code] ....

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Transact SQL :: How To Hard Code Mention Date Range In SP To Get Expected Results

Oct 7, 2015

how to hard code mention date range in my SP to get expected results in my query 01/01/2012 to 12/31/2012

DECLARE @ACCOUNT AS INT
DECLARE @POSTING_DATE AS DATETIME
DECLARE @FIRST_POSTING_DATE AS DATETIME
SET @POSTING_DATE = {?POSTING_DATE}
SET @ACCOUNT = {?ACCOUNT}

[code]...

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Transact SQL :: How To Generate Date Ranges From Given List Of Dates

Sep 10, 2015

I want generating Valid date ranges from any list of dates.

The List of Dates could be generated from the below TSQL - 

SELECT '2015-06-02' [Date] UNION ALL
SELECT '2015-06-13' UNION ALL
SELECT '2015-06-14' UNION ALL
SELECT '2015-06-15' UNION ALL
SELECT '2015-06-16' UNION ALL
SELECT '2015-06-22' UNION ALL
SELECT '2015-06-23' UNION ALL
SELECT '2015-06-24'

And the expected output should look like - 

SELECT '2015-06-02' FromDate, '2015-06-02' ToDate UNION ALL
SELECT '2015-06-13' FromDate, '2015-06-16' ToDate UNION ALL
SELECT '2015-06-22' FromDate, '2015-06-24' ToDate

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SQL 2012 :: Generating Date Range Values (start / End Dates) From Month Columns With Boolean Values

Jan 13, 2015

I've got some records like this:

ID_________Jan Feb...........................Dec
0000030257 0 0 0 0 0 0 1 1 1 1 1 0

where each month field has a 0 or 1, depending on if the person was enrolled that month.

I'm being asked to generate a table like this:

ID_________ Start_Date End_Date
0000030257 July 1, 2014 Nov 30, 2014

Is there some slam dunk way to do this without a bunch of If/Then statements?

The editor compressed all my space fields, so the column headers are off in some places.

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SQL Server 2008 :: Query To Select Date Range From Two Tables With Same Date Range

Apr 6, 2015

I have 2 tables, one is table A which stores Resources Assign to work for a certain period. The structure is as below

Name StartDate EndDate
Tan 2015-04-01 08:30:00.000 2015-04-01 16:30:00.000
Max 2015-04-01 08:30:00.000 2015-04-01 16:30:00.000
Alan 2015-04-01 16:30:00.000 2015-04-02 00:30:00.000

The table B stores the item process time. The structure is as below

Item ProcessStartDate ProcessEndDate
V 2015-04-01 09:30:10.000 2015-04-01 09:34:45.000
Q 2015-04-01 10:39:01.000 2015-04-01 10:41:11.000
W 2015-04-01 11:44:00.000 2015-04-01 11:46:25.000
A 2015-04-01 16:40:10.000 2015-04-01 16:42:45.000
B 2015-04-01 16:43:01.000 2015-04-01 16:45:11.000
C 2015-04-01 16:47:00.000 2015-04-01 16:49:25.000

I need to select the item which process in 2015-04-01 16:40:00 and 2015-04-01 17:30:00. Beside that I need to know how many resource is assigned to process the item in that period of time. I only has the start date is 2015-04-01 16:40:00 and end date is 2015-04-01 17:30:00. How I can select the data from both tables. There is no need for JOIN, just seperate selections.

Another item process time is in 2015-04-01 10:00:00 and 2015-04-04 11:50:59.

The result expected is

Table A

Name StartDate EndDate
Alan 2015-04-01 16:30:00.000 2015-04-02 00:30:00.000

Table B

Item ProcessStartDate ProcessEndDate
A 2015-04-01 16:30:10.000 2015-04-01 16:32:45.000
B 2015-04-01 16:33:01.000 2015-04-01 16:35:11.000
C 2015-04-01 16:37:00.000 2015-04-02 16:39:25.000

Scenario 2 expected result

Table A

Name StartDate EndDate
Tan 2015-04-01 08:30:00.000 2015-04-01 16:30:00.000
Max 2015-04-01 08:30:00.000 2015-04-01 16:30:00.000

Table B

Item ProcessStartDate ProcessEndDate
Q 2015-04-01 10:39:01.000 2015-04-01 10:41:11.000
W 2015-04-01 11:44:00.000 2015-04-01 11:46:25.000

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Transact SQL :: Check Date Format Is Dd/mm/yyyy

Nov 2, 2015

Is it possible to check if  the date has been formatted as dd/mm/yyyy i.e. something like this...

if (@EnterDate <> dd/mm/yyyyy )
SET @message = 'date not in the correct format' 

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Transact SQL :: How To Get Date Difference Between 2 Dates In DAYS Excluding Weekends

Oct 14, 2015

Here I have 2 Dates. CreatedDttm & ModifiedDttm.

I want  - DATEDIFF(Day,CreatedDttm,ModifiedDttm)  and I have to exclude the Weekend days from that query result.

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Transact SQL :: Split Date Range Into Monthly Wise And Loop Through Each Month To Perform Some Operation

Oct 20, 2015

Let's say if the date is 01/01/2015 till 01/01/2016

I want split these dates monthly format wise and then use them in variable in cursors to loop

For an example Monthly date should be 01/01/2015 and 01/31/2015 and use these two values in 2 variables and make a loop until it never ends whole date range which is 01/01/2016

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Transact SQL :: Update Table Based On Available Date Range In Same Table

Dec 2, 2015

I would like to update the flag of the promotion ID should the promotion ID date range overlap with Promotion ID(All) Date Range. The general logic is as below.

Update TableName
SET PromotionID Flag = 1 AND Reason = 'Overlap with row ID(Overlap row ID number)'
Where EACH ROW(Except with Promotion ID ALL) Date Range Overlap with ROW(with promotion ID ALL) Date range

Note: ROW is Partition By ColumnA,ColumnB

TableName: PromotionList

ID PromotionID StartDate EndDate ColumnA ColumnB Flag Reason
1 1 2015-04-05 2015-05-28 NULL NULL 0 NULL
2 1 2015-04-05 2015-04-23 2 3 0 NULL
3 2 2015-05-04 2015-07-07 2 3 0 NULL
4 ALL 2015-04-05 2015-04-28 NULL NULL 0 NULL
5 ALL 2015-07-06 2015-07-10 2 3 0 NULL
6 1 2015-02-03 2015-03-03 NULL NULL 0 NULL

Expected outcome after performing update on the table

ID PromotionID StartDate EndDate ColumnA ColumnB Flag Reason
1 1 2015-04-05 2015-05-28 NULL NULL 1 Overlap with row ID 4
2 1 2015-04-05 2015-04-23 2 3 0 NULL
3 2 2015-05-04 2015-07-07 2 3 Overlap with row ID 5
4 ALL 2015-04-05 2015-04-28 NULL NULL 0 NULL
5 ALL 2015-07-06 2015-07-10 2 3 0 NULL
6 1 2015-02-03 2015-03-03 NULL NULL 0 NULL

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Aug 16, 2006

I am attempting to write a SQL query that retrieves info processed between two times (ie. 2:00 pm to 6:00 pm) during a date range (ie. 8/1/06 to 8/14/06)... I am new to SQL and am perplexed... I have referenced several texts, but have not found a solution. Even being pointed in the right direction would be greatly appreciated!!

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