What's The Best Approach To Time-based Checking From App. To SQL Server?
Jan 14, 2007
Hi
I have an VB.NET application connected to a SQL Server Express. I want to let the application to run in either "Normal mode" or "Holiday mode" according to current weekday is normal day or state public holiday.
My approach is to find out all the public holidays in a year and enter them into a Holiday Table. Then some code in my application constantly check the current weekday against the one in the holiday table, if matches, the application goes into holiday mode.
This approach is not perfect as "State public holidays" are confirmed by the state government in the current year and the coming year. So state public holidays are unconfirmed for the third year afterward. The system is required by client to support public holiday in the next 10 years.
I wonder what is the best approach to this problem?
Thanks
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Feb 1, 2007
im practicing set based approaches... and what im trying to do is grab each value from a table , scramble it and put it back in the table... i dont want the solution to this as id rather figure it out myself for practice...
the thing im stuck at is i can do this with a cursor but i want to avoid cursors in future, how would i use a set based approach to get each value of a table and work with it?
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Sep 7, 2007
I am replacing cursor logic in a SP to a setbased approach to scale better. My setbased approach seems to be better but it runs very fractionaly faster (execution time) than the cursor approach for a single run in test environment. I think resource cost wise, my set based approach should be better. Number of rows iterated thru this cursor is small (0-150). This particular SP is called over 2000 times in production everyday. Is it worth the trouble changing this if we get only marginally benefits, will my set-based approach work better on a server that has lot of activity (lot of connections etc). Our db server runs at about 75-85% cpu usage daily and this particular SP accounts to 13% CPU usage for 2000+ executions.
If the data set involved in cursors is small, is it worth the trouble changing them to set based approaches?
Am I doing right to change this SP to setbased approach.
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Aug 7, 2006
Hi all.
I am not a programer but managed to piece together an Access database that is the backbone of my company.
My IT group advised me to move to an SQL server back end and move to a web based front end.
My question. I am very comfortible with Access and modify the databases regularly. What front end is most like Access for modifying forms, reports, macros, etc.
Thanks!
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Mar 30, 2004
Hi,
I have a table which contains all the transaction details for which I am trying to create a CUBE... The explanation below in brackets is only for clarity about each field. Kindly note that I am using the following table as my fact table. Let's call it tblFact
This table contains fields like transaction date, Product (which is sold), Product Family (to which the Product Belongs), Brand (of the product), Qty sold, Unit Price (at which each unit was sold), and some other fields.
I have created a Product dimension based on tblFact. I don't know if this is a good idea or not :confused: Is it okay and am I on the right track or should I base my Product Dimension on some other table (say tblProducts and then in the Cube editor link tblProducts with tblFact based on the ProductID field? Please guide.
Now coming to my last question:
Currently I am also creating my Time Dimension based on tblFact. Is this also a wrong approach?
1. Should I instead create the Time Dimension based on a different table (say tblTime) and again link up tblTime and tblFact in the Cube editor?
2. if yes, then how do I create tblTime from tblFact in a manner that it only contains all the transaction dates.
3. Assuming that I should take the tblTime approach, then should this table (tblTime) also contain the ProductID - representing the Product which was sold for each date in tblTime?
I realize that this is a lenghty post but reply and more importantly guidance from the experienced users will be greatly appreciated becuase I have recently started learning/playing around on the OLAP side of things and I know that this is the time that I get my foundations correct otherwise I'll end up getting used to some bad practice and will find it difficult to change my approach to cube designing later down the road.
So many thanks in advance and I eagerly look forward to reply from someone.
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Aug 7, 2007
Hi all,
I have created a report in SSRS 2005 which is being viewed by users from different Time Zones.
I have a dataset which has a field of type datetime (UTC). Now I would like to display this Date according to the User Time Zone.
For example if the date is August 07, 2007 10:00 AM UTC,
then I would like to display it as August 07, 2007 03:30 PM IST if the user Time Zone is IST.
Similarly for other Time Zones it should display the time accordingly.
Is this possible in SSRS 2005?
Any pointers will be usefull...
Thanks in advance
sudheer racha.
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Jul 12, 2006
Hi,
I'm building a custom task and just wondering what is the correct way of passing errors back to SSIS. Is there a rcommended approach to doing this. Currently I just wrap everything in a TRY...CATCH and use componentEvents to fire it back! Here's my code:
public override DTSExecResult Execute(Connections connections, VariableDispenser variableDispenser,IDTSComponentEvents componentEvents, IDTSLogging log, object transaction)
{
bool failed = false;
try
{
/*
* do stuff in here
*/
}
catch (Exception e)
{
componentEvents.FireError(-1, "", e.Message, "", 0);
failed = true;
}
if (failed)
{
return DTSExecResult.Failure;
}
else
{
return DTSExecResult.Success;
}
}
Any comments?
-Jamie
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Jul 1, 2015
I have a client data which has the candidate id, a start date which will have only the date in varchar format and a time value associated to that date in varchar format in a seperate column.
To give a brief explanation about the data a candidate will come to study center at any time point in a day for example 10:00 AM on 20-10-2014. The start date will be 20-10-2014 and from 10:00 AM he will have test based on the time point. So if the time point is 2 HR, then at 12:00 PM he will have a test. If the time point is 8 HR, it will get added with 10:00 AM and based on this he will have the test at 06:00 PM. When the timepoint reaches 00:00 the start date needs to be the next date instead of 20-10-2014.
The start date needs to be appended with the time value such that when it crosses over the time 00:00, the start date needs to get increased by 1 ie the next day. I have added the start date to the time by using the code below
CAST(STARTDATE as datetime) + CAST(CAST(STUFF([TIME],3,0,':') as time(0)) as datetime) as [EXPECTEDDATETIME]
By this above code i have created the expected datetime however
I will not be able to hardcode the value due to dynamic data. I tried to apply >= and < to the time value something like
case when MyTime >= '00:00' and MyTime < '08:10' the Dateadd(day, 1, date)
This works perfect but my concern is that I cannot put the value 08:10 because it will not a constant value for all rows.
I have provided a screenshot of my data and a expected date column for reference.
Candidate StartDateStartTimeExpected DateTime Timepoint
1 20141020 1000 2014-10-20 10:00:00 0 HR
1 201410201200 2014-10-20 12:00:00 02 HR
1 201410201400 2014-10-20 14:00:00 04 HR
1 201410201800 2014-10-20 18:00:00 08 HR
1 201410200000 2014-10-21 00:00:00 12 HR
1 201410201200 2014-10-21 12:00:00 24 HR
2 20141020 1100 2014-10-20 11:00:00 0 HR
[Code] ....
I have also attached the data for reference.
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Oct 18, 1999
Environment
NT Server 4.0 w/ SP4
SQL Server 7.0 w/ SP1
Win98 Client w/ Lotus Approach 9.5
I recently added SQL 7.0 to be a back end for my Approach front end. I transferred all the data from a dbase IV in approach to SQL. Most of the conversions worked ok. I have two big problems.
1) One particular repeat panel in Approach loses the children records of the master record. If I delete some of the records, more will appear. It's as if there is an imaginary limit of the number of records it can read in the repeat panel. I don't have this problem with any other records and children in repeat panels. I called Lotus and they don't have an answer. This is important because the children records need to be summed up so I can have a running total.
2) I original configured the clients to use the TCP/IP Netlib w/ the default port. I couldn't open enough databases so I changed to Multiprotocol. This allowed certain clients to open more databases, but others can't open additional databases. Also, after the change, the NT authentication login has had problems. I had to change to the SQL login to get all my clients back on line. Sometimes the same client can't open more than 10 databases while other times it will open 15. There is no consistent patten to when it can and can't open the additional databases.
If anyone knows how to fix either of these problems, I would greatly appreciate any advice. I'm getting tired of my boss yelling at me.
Thanks.
Keith
akumaboyz@aol.com
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May 19, 2008
Hi!
Need some help building a query that does the following :
I have 2 Time Dimensions ; Time (Transdate) and ClosedDate (ClosedDate)
In my report/query, if [Time].CurrentMember = [Time].[YMD].[YMD].[2006].[200610].[20061031] I want to FILTER out all ClosedDate < [ClosedDate].[YMD].[YMD].[2006].[200610].[20061031]
Both Time Dimensions are Year -> Month -> Day and have the same Members.
I have every option available, using calculated Members and/or Measures to do this.
The report I'm creating is Aging of Receivables : Balance / 30 days / 60 days / etc.. But for the Aging, I need to filter like explained above.
Appreciate all help!
Regards,
Stian Bakke
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Jul 18, 2007
I have been happily using RS (SQL200) on one of our local servers for some time. However, we have SQL2000 installed on a hosted, managed remote server for some applications we provide.
We need to report on the data so the obvious decision was to get RS installed on the remote machine so I could design and deploy the necessary reports from here to RS on the hosted server.
However, for various reasons (that I do not fully understand) the default install of RS does not work on the remote server and the hsoiting company won't install it in anything other than it's default dormat. So our original plan seems to be stuffed.
What are options here? It was suggested that we could 'replicate' the hosed server data to my 'local' SQL server but that seems to have hit a brick wall too.
What would I need to do to report using the 'local' RS against the 'remote' data - is this possible?
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Mar 28, 2007
I borrowed some code from a colleague to login into SQL Server:
public static SqlConnection GetConnection()
{
string dbNameSvr = ConfigurationSettings.AppSettings.Get("DataBaseServer");
string db = ConfigurationSettings.AppSettings.Get("DataBase");
string userId = ConfigurationSettings.AppSettings.Get("UserId");
string password = ConfigurationSettings.AppSettings.Get("Password");
string connStr = "Data Source=" + dbNameSvr + ";" +
"Database=" + db + ";" +
"User Id=" + userId +";" +
"Password=" + password + ";";
SqlConnection aConn = new SqlConnection(connStr);
return aConn;
}
It works but someone has commented that it is very insecure. I don't really understand why but I'll take his word for it. So I'm wondering what approach most people use to have a web app login to their database?
Robert W.
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Nov 26, 2007
I have staged my tables in a database which is in the same server as the destination database and they are on sql server 2005.
Now I need to push the data from the staged table to destination.
Which is the best approach in ssis ?
1) using execute sql task to a call stored procedure to push the data to a different database using server.dbo.table name from the stored procedure.
or
2) using dataflows to call a stored procedure and map source and destination.
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Feb 16, 2005
can i make a trigger to fire based on given date and time?
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Feb 14, 2005
While using a DateTime field, is there an easy way of filtering based on time of day? Ex. Anything that happened after 3:00 PM on any given day?
The easiest way I've found of doing so is :
Code:
SELECT *
FROM MyTable
WHERE ({ fn MOD(DATEDIFF(ss, '01/01/2000 00:00:00', [Date]), 3600 * 24) } >= DATEDIFF(ss, '00:00:00', '15:00:00'))
To me that seems a bit complicated... but it works...
Anyone that knows of a better way any help would be appreciated (or if you don't think there's a better way knowing that would help as well)
-MBirchmeier
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Apr 13, 2008
Hi,
I'm looking for some input as to "how to" create a desktop application that will be using SQL Server 2005 with the possibility of becoming a web application later.
So far I have looked at Access 2007 as a candidate to build the appropriate forms and update the SQL Server, however I'm still wondering if there is a better approach considering that this app may likely become a web app, and I should bypass Access 2007 and use some other product, and it doesn't have to be a MS product, and could be Open Source.
The SQL Server 2005 part has been loaded and works fine with the various management tools.
With that said are there any opinions on what other application(s) could be used to build the front-end as rapidly as possible and still have scalability?
Regards,
Cool Hand
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Oct 8, 2003
Hello
I want to delete my record after ten days of the Posted date(field)..how do I do it? I'm able to insert date(short date , long time) to the database. I'm using sql server and C#. this is what I have so far.I would appreciate your help..
Thanks!!!<%@ Page Language="C#"%>
<%@ Import Namespace="System.Data.SqlClient" %>
<script runat=server>
void Page_Load(Object sender , EventArgs e)
{
SqlConnection conPubs;
string strDelete;
SqlCommand cmdDelete;
conPubs = new SqlConnection( @"Server=localhost;Integrated Security=SSPI;database=Book" );
strDelete = "Delete tblbook Where Posted_Date =???????????";
cmdDelete = new SqlCommand( strDelete, conPubs );
conPubs.Open();
cmdDelete.ExecuteNonQuery();
conPubs.Close();
Response.Write("Records Deleted!");
}
</script>
//
</script>
<html>
<head>
</head>
<body>
<form runat="server">
<!-- Insert content here -->
</form>
</body>
</html>
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Jul 18, 2001
Hi All,
Is there a way in SQL Server 7.0 or 2000, where I can grant/deny/revoke access rights on a database objects like Table, Stored Procedures for a particular time of the day.
Example: I want to prevent user A from acessing Table x and Stored Procedure Y from 9Am to 12 noon everyday. After 12 Noon till 8.59 AM he can have access to Table x and Stored Procedure Y.
Is there a way to do this at SQL Server level.
Thanks
Sri
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Aug 4, 2005
Right now i'm developing a time attendance system.
So in that case i'll be playing with time where that time represents what time an employee come to office and go home.
I'm a little bit confuse which data type i'll be used in this system.
Because there will be a lot of calculation according time data inside the database, such as: how many times an employee comes before 08.00, how much hours that he/she spend in the office that they, etc.
Can somebody help me with this problem, what data type most suitable with this kind of system and how can I do the calculation more easily?
thanx before,
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Mar 26, 2008
In SQL Server 2005, I want to do a set query on the following data that results in 3 groups:
Id
EventName
EventTime
1
First
41:40.2
2
First
41:41.6
3
First
41:43.1
4
First
41:44.4
5
Second
41:46.4
6
Second
41:48.3
7
Second
41:49.7
8
First
41:51.2
9
First
41:53.3
10
First
41:55.0
So, I want to have a query that returns one aggregate row for each of rows 1-4, 5-7 and 8-10 based on the EventName. Every time EventName 'changes' in the order that I sort it, I want to start a new grouping:
Group
EventName
Count
1
First
4
2
Second
3
3
First
3
With this query, I could also get the Min() and Max() EventTime for each group, etc.
However, this is proving difficult to do in set SQL. Obviously, if I group on EventName, then rows 1-4 *and* 8-10 will be rolled into my 'First' group. However, there is no other partitioning information that I can factor in that splits this data into *only* 3 groups, based on the order of the Event Time.
I have tried the various ranking functions, but the problem persists through any combination of function, PARTITION BY and ORDER BY that I can find.
Any insights would be appreciated!
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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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Jul 5, 2001
A table gets data every 4 minutes, I only need spread of every 15 minutes. Can I select only records spread every 15 minutes apart from this table without having to run a scheduled job every 15 minutes and loading one record closest to getdate() at that point into another table(this is how I am doing it now) Is there a better way. Please help
Thanks
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Apr 10, 2008
I have a number of databases with large tables. I need to update them from time to time. I want to get the recordcount of the table and calculate based on that the amount of time it would take to update the table. Any idea who I can do this? I'm using coldfusion 8 with sql to do this. Any advice would be appreciate!
Thanks
Shuvi
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May 7, 2008
Hi,
I was wondering how you perform a select statement based on a specific date that will show all the records no matter which times belong to the specific date.
I have been having trouble with this one when using a single date, I think this is because of the time property as no records are displayed.
Thanks for any help.
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Jun 10, 2015
I have a table Mytable which has two fields (Date, Value) and record is based on every hour like this:
Date Value
1999-01-01 00:00:00 10
1999-01-01 01:00:00 8
1999-01-01 02:00:00 6
...
1999-01-01 23:00:00 12
1999-01-02 00:00:00 9
1999-01-02 01:00:00 5
...
1999-01-02 23:00:00 2
How can I use a query to get accumulate value for the day? the result should look like this:
Date Value Accumulated_Value
1999-01-01 00:00:00 10 10
1999-01-01 01:00:00 8 18
1999-01-01 02:00:00 6 24...
1999-01-01 23:00:00 12 36
1999-01-02 00:00:00 9 9
1999-01-02 01:00:00 5 14...
1999-01-02 23:00:00 2 16
The accumulated value should be based on every hour for the day and then repeat for the second day and so on.
What is the best way to do this? I am using SQL 2008
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Jul 4, 2006
Hello all,
I am using SQL Server in a project where I want to fetch the records that were inserted after a time specified in my query.
Suppose 10 records were inserted at 10:00 AM(morning) and 5 were inserted at 10:15 AM( 15 minutes later). I am running a query at 10:20 AM( 5 minutes after the second transaction). I need this query to be such that it selects the records inserted 10 minutes before. So it will show only the records inserted at and after 10:10 AM and willl not show those inserted at 10:00 AM.
Please help me in making such a query.
I am trying and I think that some Date & Time functions will help but still not able to achieve it.
Thanks in advance
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Mar 27, 2007
what pro's cons would there be to having a linked server run a local stored proc against another sql server or create that stored proc on that other sql server and call it from there in the c# code.
i would think that calling the stored proc would be more efficient that running a linked server - but please let me know your thoughts. I'm not sure i can have permission to add a stored proc on that server, so possibly the linked server is the only solution - but if i can put a stored proc on that server should i?
thanks.
Jeff
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Feb 15, 2005
Hi all,
I have two tables (staging and Cdate) and neither objects has any constraints.
staging table has ID, date, A, B, and C fields and Cdate has id,date and day fields. I need to update/insert date from Vdate into staging where staging ID=' ' and date is null
Here is the code I wrote, however, it seemed the information was updated to one date only instead of time series - Cdate contains time series in column date.
Anyone can help to fix it? Thank you for the help!
update s
set s.date=c.date
FROM cdate c join staging s on(s.id=c.id)
Where s.date is null and id=2
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Feb 5, 2007
I'm dealing with a problem.
The record information example
DateTimeStart , DateTimeEnd , action , duration (seconds)
2007-02-02 10:30:22 , 2007-02-02 11:30:22 action1 , 600
what i want is for every half hour between start and end a record
10.30 action1
11.00 action1
11.30 action1
how can i create this, i'm a little stuck on this
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Feb 26, 2007
Frank writes "Any suggestion on the best design to store data for resource management so that data can be displayed afterwards in something like a gantt chart.
For example, you have to asign resources, say personID 1 to 100 to fill positions A, B, C, D, E and F
A position must always be filled. A person can only fill one position at a time. You want to be able to detect overlaps when you do your planning.
So if person 2 is in position B from 1 Jan to 15 March, he is currently unavailable, but he should be availabe in my planning for any position from 16 March onwards etc.
Possible queries -
1) list all positions not filled during period XXXX to YYYY
2) List all persons available to fill a certain postion during period XXXX to YYYY
3) List any overlaps where a person is assigned to different postions during overlapping time frames..."
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Aug 28, 2007
Hi,
I have the following scenario :
CustomerDetail
customerid
customername
status
app_no
[status = 0 means customer virtually deleted]
CustomerArchive
archiveno [autoincrement]
customerid
customername
status
At the end of the month, I have to physically delete customers. I have written two stored procs:
proc1
create proc spoc_startdeletion
as
declare @app_no int
select @app_no = (select app_no from customerdetail where status=0)
EXEC spoc_insertcustomerarchive @app_no
-- After transferrin, physically delete
delete from customerdetail where status=0
proc2
create proc spoc_insertcustomerarchive
@app_no int
as
insert into customerarchive(customerid,customername,status)
select customerid,customername,status from customerdetail where app_no = @app_no
It works fine if there is only one row with status=0, however the problem is that when there are multiple rows in customerdetail with status=0, it returns 'Subquery returned more than one value'
How can i transfer multiple rows one by one from the customerdetail to customerarchive and then delete the rows once they are transferred.
Vidkshi
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Oct 11, 2007
I am trying to write a stored procedure that will select information from a SQL table based on a specific time.
For example I have a name field and a time field, I want to return just the names that were created between a specific time frame. ex between 3pm and 4pm.
Any thoughts?
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Mar 13, 2014
To give you some context we have a new amendments application (nothing fancy, excel based with SQL Server back end) that allows users to submit amendments to product data (Product Info, PO Prices, Dates etc.). There is also an admin tool that a team uses to action these amendments in the various systems.
The old version of this tool, users submitted amendments by style and could if need be submit multiple amendments against one product at the same time. The new tool, I believe for audit reasons, users submit by amendment type, so for example I would submit a cost price change for a given style.
The issue now is that on the occasions where a user has multiple amendments, they now come through separately. So cost price would be Amendment 1 and a date change would be amendment 2 even though they could be the same product. This could potentially mean that the admin team would be duplicating work if the paperwork is updated and sent after each amendment, whereas before they would make both changes and only send the paperwork once.
Having not built either of these tools, I've been tasked with trying to fix this, my two thoughts being either to amend the user form to somehow capture/ allow users to submit amendments together or try to use the existing data and doing the grouping dynamically in the back end. Use that lag to look at grouping any submitted amendments that occur within 30mins of the first occurrence of that style
This grouping would then be given a joint time so when the 'time lag' period passes the amendments will be visible together.I've tried a few things and a few head on desk moments trying to get a set based approach but haven't been able to get where i want, its either an issue where amendments span an hour, such as 9:59 and then 10:03 or grouping together amendments that happen after the 30mins of the first one.
Here is some sample data
USE FF_Winning_Together;
IF OBJECT_ID(N'tempdb..#AmendTest',N'U') IS NOT NULL
DROP TABLE #AmendTest;
CREATE TABLE #AmendTest
(
AmendmentIDINT IDENTITY(1,1)NOT NULL,
StyleCHAR(1)NOT NULL,
AmendmentStatusVARCHAR(10)NOT NULL,
DTDATETIMENOT NULL
[code]....
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