T-SQL (SS2K8) :: Average Of Time Between Multiple Dates
Oct 7, 2015
I have a dataset as such:
Student TestTypeDate TestCnt
111-22-1111English2015-09-01 10:00:00 1
111-22-1111Math2015-09-02 11:00:00 2
111-22-1111Geo2015-09-03 12:00:00 3
222-11-2222English2015-09-01 10:00:00 1
333-22-1111English2015-09-01 10:00:00 1
[Code] ...
So some have just 1 test and some have multiple. I have a count for each. What I need to do is use that count and get an average time between each test per student.
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Jul 18, 2014
Today I have got one scenario to calculate the (sum of days difference minus(-) the dates if the same date is appearing both in assgn_dtm and complet_dtm)/* Here goes the table schema and sample data */
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[temp_tbl]') AND type in (N'U'))
DROP TABLE [dbo].[temp_tbl]
GO
CREATE TABLE [dbo].[temp_tbl](
[tbl_id] [bigint] NULL,
[cs_id] [int] NOT NULL,
[USERID] [int] NOT NULL,
[code]....
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Feb 28, 2015
I have a table that has hotel guests and their start stay date and end stay date, i would like to insert into a new table the original information + add all days in between.
CREATE TABLE hotel_guests
(
[guest_name] [varchar](25) NULL,
[start_date] [date] NULL,
[end_date] [date] NULL,
[comment] [varchar](255) NULL
[code]...
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Jul 4, 2014
How to calculate Average sal foe below scenario.
I am having tables with 12 columns as jan,feb,.......dec.
Now I want to calculate average salary for each record, but condition is that if any month salary is zero then that column also exclude from average calculation.
For example : if jan and feb column values are zero then i want to calculate (mar+apr+...+dec)/10.
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Mar 9, 2015
I have a need to create a line graph report in SSRS 2008. The report should show the top 10 servers from a group of servers with the highest CPU utilization for the last day. The report is for Microsoft System Center Operations Manager 2012. I have a SQL query that will return the average CPU for all of the servers in the group, with the average for each hour (24 records per server).
How can I get the top 10 servers with the highest average CPU? I think I need to create an average of the averages, then select the top 10. Here is the SQL query I have so far:
Use OperationsManagerDW
GO
SELECT
vPerf.DateTime,
vPerf.SampleCount,
cast(vPerf.AverageValue as numeric(10,2)) as AverageCPU,
vPerformanceRuleInstance.InstanceName,
[code]....
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Apr 7, 2015
I need to calculate the average number of days between customer orders.
My table has customer number and order number and the order date.
I would like to end with customer number last, order date and the average number of days between orders for each customer.
cust_idorder_numorder_date
HOLLGCAB 119482 02/27/2015
JILCO 119484 02/27/2015
KEY 119491 02/27/2015
TURNER 119496 02/27/2015
KEY 119499 02/27/2015
[Code] .....
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Mar 30, 2015
how to return the 3 month rolling average count per username? This means, that if jan = 4, feb = 5, mar = 5, then 3 month rolling average will be 7 in April. And if apr = 6, the May rolling average will be 8.
Columns are four:
username, current_tenure, move_in_date, and count.
DDL (create script generated by SSMS from sample table I created, which is why the move_in_date is in hex form. When run it's converted to date. Total size of table 22 rows, 4 columns.)
CREATE TABLE [dbo].[countHistory](
[username] [varchar](50) NULL,
[current_tenure] [int] NULL,
[move_in_date] [smalldatetime] NULL,
[Cnt_Lead_id] [int] NULL
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
GO
[code]....
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Apr 2, 2008
My table has two datetime columns (TheatreArivalDate and TheatreDepartDate). Can I get an average value of the time differences of them? Thanks
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Apr 30, 2015
I have the following code which returns day of week name, position and date and time of surgeries.
SELECT
DATENAME(WEEKDAY,OPE_START_TIME) AS DOW,
[OPE_ORDER_IN_SESS_ASC] AS POSITION,
OPE_START_TIME AS [TIME]
FROM table1The data looks like thisHow can i group this data so I get the average start time by day of week and position?
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Dec 18, 2007
I need a formula to calculate the time (let's say in minutes) between two dates/times.
The problem is that I have to exclude the time between 06 PM and 06 AM and also exclude the time in the weekend (Saturday and Sunday).
I will use this in a couple of reports made in Reporting Services.
If anyone have an algoritm that could be modified for this and is willing to share this I would be very grateful.
Many thanks!
/Per Lissel
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Mar 14, 2007
Hi everyone, I need some help with creating a report that calculates the average turnaround time in days that it takes for units to return from trips destined to a location.
The database that I am working with lists a trip each time a unit is dispatched to a destination, and then another trip is created for the units return. In the example below I am trying to calculate the number of days that it takes for a unit to return to Vancouver by calculating the difference between the departure date from Vancouver and the arrival date back into Vancouver. I then need to calculate the average number of days that it takes for a unit to return from a trip. See sample data below.
UNIT -- TRIP -- START LOCATION --START DATE--FIN LOCATION--FIN DATE
================================================== =======
U12 ----001 --- VANCOUVER -------FEB 10 ------ ONTARIO ----- FEB 15
U10 ----002 --- VANCOUVER -------FEB 13 ------ ONTARIO ----- FEB 18
U12 ----003 --- ONTARIO ----------MARCH 13 --- VANCOUVER -- MARCH 18
U10 ----004 --- ONTARIO ----------MARCH 1 ---- VANCOUVER ---MARCH 6
Unit U12 took 36 days to return back to Vancouver
Unit U10 took 21 days to return back to Vancouver
Therefore based on the two trips it takes an average of aproximately 28.5 days for a unit to return from trips destined to Ontario.
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Oct 3, 2014
I keep getting an alert from a Third-Party Tool stating my server is reporting failed components with the following message
Components Reporting Problems:
Average Lock Wait Time(ms)(Critical)
When I look at sp_who2 or sp_lock I don't see anything blocking processes or anything else out of the ordinary.
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Nov 19, 2006
Hello~,
The table has columns like this.
________________________________
time smalldatetime
value1 int
value2 int
----------------------------------------------------------
for example,
....
'2006-11-16 12:00:00',100,200
'2006-11-16 13:00:00',110,210
'2006-11-16 14:00:00',120,220
....
The record is inserted at every hour.
I want get daily,monthly,yearly average and display the result ordered by time.
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Jan 9, 2008
I am trying to figure out how to calculate the average time between phone calls for a user. The initial requirement is to calcualte this on all calls for an entire month but I would guess that would lead to other periods as well, such as daily, weekly, etc. One hurdle is what to do when going from one day to the next. I could possibly just week out any times between calls that are greater than a certain amount of time to address that.
Any way, here is a small sample of what I'll be dealing with. Any ideas on how to approach this or get it to work would be greatly appreciated.
Code Block
CREATE TABLE #avetime (origdate datetime, duration_seconds int, duration_minutes decimal(9,2), phoneuser varchar(20), calltype varchar(15))
INSERT into #avetime VALUES ('Jan 7 2008 9:19AM', 21, 0.4, 'Coleman', 'Long Distance')
INSERT into #avetime VALUES ('Jan 7 2008 9:19AM', 48, 0.8, 'Coleman', 'Long Distance')
INSERT into #avetime VALUES ('Jan 7 2008 9:33AM', 81, 1.4, 'Coleman', 'Long Distance')
INSERT into #avetime VALUES ('Jan 7 2008 9:35AM', 87, 1.5, 'Coleman', 'Internal')
INSERT into #avetime VALUES ('Jan 7 2008 9:37AM', 27, 0.5, 'Coleman', 'Internal')
INSERT into #avetime VALUES ('Jan 7 2008 9:42AM', 13, 0.2, 'Coleman', 'Long Distance')
INSERT into #avetime VALUES ('Jan 7 2008 9:43AM', 84, 1.6, 'Coleman', 'Long Distance')
INSERT into #avetime VALUES ('Jan 7 2008 12:00PM', 914, 15.2, 'Coleman', 'Long Distance')
INSERT into #avetime VALUES ('Jan 7 2008 2:24PM', 3, 0.1, 'Coleman', 'Internal')
INSERT into #avetime VALUES ('Jan 8 2008 10:13AM', 21, 0.4, 'Coleman', 'Long Distance')
INSERT into #avetime VALUES ('Jan 8 2008 10:33AM', 482, 8.0, 'Coleman', 'Long Distance')
INSERT into #avetime VALUES ('Jan 8 2008 11:49AM', 56, 0.9, 'Coleman', 'Long Distance')
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May 22, 2008
I am running into a barrier and need to understand the average length of time that a fully optimized data cube should take to process.
We are currently running an average of 15 to 20 minutes per cube, with average of 2000 aggregations, 25% performance increase, and approximately 2 million rows, with around 40 dimensions and 30 measures.
I personally think this is a pretty good time to process. However, I am being challenged to reduce this time frame. In theroy I can't possibly see it getting below where we currently are. SO I am reaching out to the group of guru's...
What is your average length of time to process your Data Cubes? Please respond to me at ken.kolk@medcor.com I would greatly appreciate it and need the averages from the field.
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Aug 22, 2007
Hi
SQL Server 2000
I have four columns of date in a table say Date1, Date2, Date3, Date4 in table Tab_A.
I want to get average date of four columns for each row.
Please advise how?
Thanks
J a w a d
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Aug 8, 2014
I want to list Dates for particular day between two dates.
for eg. if user enters 08/01/2014 and 08/31/2014 with value 0 then all the Sundays and related dates should be display.
if above contamination with 1 then all Mondays,
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Mar 4, 2015
I'm looking to identify the people who visited an office more than once and the dates that they visited. For example I have a table that looks like the following:
Name |Office Visit Date
-----------------------------
John| 2002-01-23
Mary| 2003-02-04
Fred| 2002-11-02
Jane| 2012-06-05
John| 2003-07-12
Mary| 2004-10-12
Fred| 2011-03-20
John| 2009-02-14
I want to display the following:
Name |Office Visit 1 |Office Visit 2 |Office Visit 3
----------------------------------------------------------------------
John|2002-01-23| 2003-07-12| 2009-02-14
Mary| 2003-02-04| 2004-10-12|
Fred| 2002-11-02| 2011-03-20
Note that Jane does not show up because she has only visited the office once and everybody else has visited the office at least two times.
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Jul 8, 2015
I have a table with Employee, it lists their department, and has a row for each "position/promotion". (Just the pertinent fields below in the example shown of course and only a single employee for example)
An employee may have a single row in a department, or if they were promoted from line staff to manager they could have many.
Additionally, an employee may move around departments during their employment.
I need to get the min and max dates (basically duration) of their time at each department.
The issue is because they repeated departments when I go to group it loses movement between departments.
Raw data:
Employee DepartmentId StartDt EndDt
----------- ------------ ---------- ----------
999 5 2000-01-01 2001-04-30
999 7 2001-05-01 2005-06-30
999 7 2005-07-01 2006-09-30
999 5 2006-10-01 2009-10-31
999 5 2009-11-01 2012-01-01
Result of doing MIN/MAX:
Employee DepartmentId MinStartDt MaxEndDt
----------- ------------ ---------- ----------
999 5 2000-01-01 2012-01-01
999 7 2001-05-01 2006-09-30
However, Ideally I would get 3 rows (Department 5, then the stay at Department 7, then back to Department 5 again).
Employee DepartmentId MinStartDt MaxEndDt
----------- ------------ ---------- ----------
999 5 2000-01-01 2001-04-30
999 7 2001-05-01 2006-09-30
999 5 2006-10-01 2012-01-01
I played with RANK and ROW_NUM hoping I could get it to group / partition on each department and repeat the number for each department so the first department 5 would be RowNum=1, then the next group of Dept 7 would be =2 and the last group of Dept 5 would = 3 and then I could min/max on that grouping, but I didn't have any luck with that approach either.
My table:
CREATE TABLE [dbo].[EmployeeDepartmentHistory](
[Employee] [int] NOT NULL,
[DepartmentId] [int] NOT NULL,
[StartDt] [date] NOT NULL,
[EndDt] [date] NOT NULL
) ON [PRIMARY]
[Code] .....
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Mar 3, 2014
I work for a school district and new requirement we were just given for scoring some student scores.
Everything will currently be in one table to keep track of students test scores for various things. This table will contain students information and a student will be shown more than once in the table. The Student ID is what we will key off of to find the multiple instances of the student. The table contains the following columns: studentName, StudentId, teacherName, focus1, controllingIdeas1, reading1, development1, organization1, conventions1, and contentUnderstanding1. All of the columns with a 1 at the end will be numeric values with possible decimal values.
What we need to be able to do is some how perform a search for these multiple entries of each student and when found, average the 2 scores for each 7 test categories. The result needs to be a single line for each student that gives the student name, student id, and the 7 test category averages exported to an csv file.
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Jul 23, 2005
Hi,I'm am looking for a little help. I need to create a SQL view whichjoins a few tables, and I need to return an average for a particularcolumn where a second duplicate ID exists...Heres an example of how the results could be returned...ID | Name | Order No. | Value---+------+-----------+---------5 | test | 1234 | 35 | test2| 1234 | 45 | test3| 1234 | 35 | void | 1235 | 55 | void2| 1235 | 65 | void3| 1235 | 55 | void4| 1235 | 7ID is my main join which joins the tablesName is a unique nameOrder No is the same for the different names, I only need to return onerow with this order no, and the first name (the rest are irrelevant)Value is the field which I wish to return as an average of all 3, 4 orhowever many rows is returned and share the same order no. This iswhere I get totally lost as I am pretty new to SQL. Can anyone provideany help on how I would go about limiting this query to the uniqueorder no's and returning the average of the value field, and I can takeit from there with my own tables.Thanks for your helpstr8
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Mar 25, 2014
I'm trying to find gaps in times in a table of sessions where the session endings aren't sequential. That is, session 1 can start at 10:00 and finish at 10:30, while session 2 started at 10:05 and finished at 10:45, and session 3 started at 10:06 and finished at 10:20. Only the starting times are in order; the ending times can be anywhere after that.Here's a bunch of sample data:
CREATE TABLE #SessionTest(SessionId int,Logindatetime datetime, Logoutdatetime datetime)
INSERT INTO #SessionTest
SELECT '1073675','Mar 3 2014 1:53PM','Mar 3 2014 1:53PM' UNION ALL
SELECT '1073676','Mar 3 2014 2:26PM','Mar 3 2014 3:51PM' UNION ALL
SELECT '1073677','Mar 3 2014 2:29PM','Mar 3 2014 3:54PM' UNION ALL
SELECT '1073678','Mar 3 2014 2:29PM','Mar 3 2014 5:47PM' UNION ALL
SELECT '1073679','Mar 3 2014 2:30PM','Mar 3 2014 3:37PM' UNION ALL
[code]....
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Mar 26, 2014
The following query was used for retrieving dates for the last 7 days . Untill February this query was running fine and would return the last seven days date including today.
SELECT DISTINCT TOP 7 Convert(DateTime, DATEDIFF(DAY, 0, DateCreated)) AS DateCreated,
datepart(dw,DateCreated) AS WeekNum from [TechnologyRepository].[helpdsk].[WorkDetails]
WHERE DATEDIFF(DAY, Convert(DateTime, DATEDIFF(DAY, 0, DateCreated)),GETDATE()) <= 7
However from March (not sure of the exact date)..the query below would only give us 7 days until yesterday..i.e it would list dates from 3/19,3/20,3/21,3/22,3/23,3/24,3/25 and not 3/26 ..
I changed the query to <= 6 and it works as expected. But still not sure why it would not return todays date with <= 7.
SELECT DISTINCT TOP 7 Convert(DateTime, DATEDIFF(DAY, 0, DateCreated)) AS DateCreated,
datepart(dw,DateCreated) AS WeekNum from [TechnologyRepository].[helpdsk].[WorkDetails]
WHERE DATEDIFF(DAY, Convert(DateTime, DATEDIFF(DAY, 0, DateCreated)),GETDATE()) <= 6
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Aug 18, 2014
I've a request: I've a table with a date column and an if numeric data type.
I've to check from now on 7 days ago if any value is missing in my date field.
So if I've f.i. in my table
ID DAYS
1 2014-08-11
2 2014-08-12
3 2014-08-13
4 2014-08-14
5 2014-08-17
then my output should be:
2014-08-15
2014-08-16
2014-08-18
How to do this?
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Dec 10, 2014
I have two dates. How do I get the one that is the lowest. One may be null. I don't want null unless they are both null
I tried..
DECLARE @Handle date
SELECT @Handle = dbo.getTrkLeastDate('2014-12-09',NULL)
print @Handle
ALTER FUNCTION [dbo].[getTrkLeastDate] (@d1 date, @d2 date)
RETURNS datetime
[Code] .....
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May 6, 2014
I am working on some payroll related code which currently has the following hard-coded CASE statement (I won't include the entire thing, it is lengthy):
AND b.TCDateTime BETWEEN '2013-01-01 0:00' and '2013-12-31 23:59'
I want to get rid of the hard coding, and have this use current year dates. So for 2014, it should reference rows where the TCDateTime is >='2014-01-01 0:00' AND <'2015-01-01 0:00'..I think the following would accomplish this, but would like confirmation that this is the 'best' way (and that it will work!)
SELECT CONVERT(DATETIME, CONVERT(CHAR(4), DATEPART(yyyy, GETDATE())) + '0101') AS curryrbegin
--output should be yyyy-01-01 00:00:00.0 where yyyy is current year
SELECT CONVERT(DATETIME, CONVERT(CHAR(4), DATEPART(yyyy + 1, GETDATE()))
+ '0101') AS nextyrbegin
--output s/b nextyear-01-01-00:00:00.0
Then, change the CASE statement to read:
AND (b.TCDateTime >= curryrbegin AND < nextyrbegin)
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Jun 17, 2014
I'm trying to find if the Saturdays worked in Bi-Weekly period is first or second, based on the Saturday occurrence the CODEID column value changes from 01 to another #, for example if it's first Saturday then CODEID changes from 01 to 02 and it's second Saturday then the CODEID changes from 01 to 03.
Below is my table, current result and desired results.
My Table:
WITH SampleData (PERSON,[HOURS],[RATE],[CODEID],[DOW],[DATE]) AS
(
SELECT 1234,7.00,40.00,01,'Thursday','05/01/2014'
UNION ALL SELECT 1234,8.0,40.0,01,'Friday','05/02/2014'
UNION ALL SELECT 1234,3.5,40.0,01,'Saturday','05/03/2014'
UNION ALL SELECT 1234,3.5,40.0,01,'Monday','05/05/2014'
UNION ALL SELECT 1234,8.0,40.0,01,'Tuesday','05/06/2014'
UNION ALL SELECT 1234,3.5,40.0,01,'Wednesday','05/07/2014'
UNION ALL SELECT 1234,3.5,40.0,01,'Thursday','05/08/2014'
UNION ALL SELECT 1234,7.0,40.0,01,'Friday','05/09/2014'
UNION ALL SELECT 1234,3.0,40.0,01,'Saturday','05/10/2014'
)
SELECT * FROM SampleData
Current Results
PERSONHOURSRATECODEIDDOW DATE
12347.0040.0001Thursday05/01/2014
12348.0040.0001Friday 05/02/2014
12343.5040.0001Saturday05/03/2014
12343.5040.0001Monday 05/05/2014
12348.0040.0001Tuesday 05/06/2014
12343.5040.0001Wednesday05/07/2014
12343.5040.0001Thursday05/08/2014
12347.0040.0001Friday 05/09/2014
12343.0040.0001Saturday05/10/2014
Expected Results
PERSONHOURSRATECODEIDDOW DATE
12347.0040.0001Thursday05/01/2014
12348.0040.0001Friday 05/02/2014
12343.5040.0002Saturday05/03/2014
12343.5040.0001Monday 05/05/2014
12348.0040.0001Tuesday 05/06/2014
12343.5040.0001Wednesday05/07/2014
12343.5040.0001Thursday05/08/2014
12347.0040.0001Friday 05/09/2014
12343.0040.0003Saturday05/10/2014
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Jan 19, 2015
select datediff(wk, '2015-01-11', '2015-01-19') returns 1 (shouldn't it return 2?)
select datediff(wk, '2015-01-10', '2015-01-19') returns 2
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Nov 4, 2015
I want to display week between two dates as below.
requirement is as:
suppose there are two dates.(which will comes dynamically, so no. of weeks varied)
10/20/2015 and 01/01/2016
Now between this two dates, i want to calculate number of weeks on another date which is coming from table.
Say for example the column date is coming as 10/23/2015 then it will fall in week-1
Same way if 11/01/2015 falls in week2.
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Apr 15, 2014
I am facing a problem in writing the stored procedure for multiple search criteria.
I am trying to write the query in the Procedure as follows
Select * from Car
where Price=@Price1 or Price=@price2 or Price=@price=3
and
where Manufacture=@Manufacture1 or Manufacture=@Manufacture2 or Manufacture=@Manufacture3
and
where Model=@Model1 or Model=@Model2 or Model=@Model3
and
where City=@City1 or City=@City2 or City=@City3
I am Not sure of the query but am trying to get the list of cars that are to be filtered based on the user input.
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Jul 31, 2014
I have a table which uses multiple joins to create another table but it turns out that the effective_date which is used in the join to match row together does not work all the time since some of the dates for the effective date column are out of sync meaning records that show data as missing even when the other table contains the data. I try the SQL script below but it returning 6 rows instead of 3–
select t2.[entity_id]
,t2.[effective_date]
,[company_name]
,[last_accounts_date]
,[s_code]
,[s_code_description]
,[ineffective_date]
[code]....
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Sep 7, 2014
I have a table with addresses and activity dates. I need to be able to retrieve the past 3 activity dates and see if the first and last occurred within 15 days. If so, I need to flag them.
Using max date gets me the last date but not the previous two. I was trying to use top 3 in desc order and that didnt seem to work either.
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Sep 4, 2014
I have a simple script where I want to pull GLAcct, GLDesc and Amounts by Period. I want my results to look like attached snip.
I tried playing around with the dates; however, I'm receiving errors. Just to note that when I ran for 07/01/14 - 07/31/14 with the transaction date in where clause I was able to retrieve the correct results. Now I want to expand to get a view set up for the whole year....automation!
select
gl_account.id as GLAcct,
gl_account.descr as GLDesc,
sum(gl_ledger.amount_n) as Net
from gl_account
[Code] ....
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