Selecting A Block Of Rows At A Time
Jul 3, 2000
Hi all -
is there a way to process a file x records at a time?
We have a table that I need to append to an existing table. The date columns are currently in char but must be converted to datetime for the existing table. The problem is I have bad data. There are 3 million rows where the date field isn't valid for SQL's datetime format. Since this is the data I have, I have to work with it. I would like for SQL to just insert a null if it comes upon a bad date. Currently when it encounters a field that isn't valid, it stops the process with an error.
I have tried to go around it below, but there is still something "hanging" I would like to be able just to insert one million rows at a time and if it errors, then I can look at the next million, find the error, fix it and continue on.
Any suggestions? Or if you have a better idea all together I would love to see it.
SQL Server 7.0, SP2
,CASE
when
(substring(check_date,1,4) not between '1997' and '2000' or
substring(check_date,5,2) not between '01' and '12' or
substring(check_date,7,2) not between '01' and '31') THEN null
ELSE cast(check_date as datetime)
END AS check_date
Thanks,
Michelle
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Jul 27, 2007
have created a Database Application in Java and display all the records in tabular format of one Table. This table have Millions of Rows, If I run Select * from Table, then my Machine not responding, so Now I wants to add paging of 1000 rows at one time.
Is there are any option/query to read block of rows at one time and then query again for next page ?
i.e In MYSQL have LIMIT clause with Select Statement
Please let me know..
Database : SQL Server 2000/2005,
Thanks in Advance
Laxmilal
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Feb 26, 2013
I am trying to add the hours between each time block stored in a database.
In this database a user enters the begin time and the end time. For example the course MATH0001 would start at 8am and end at 10am. Therefore the user would enter 0810 in the start field and 1000 in the end field. The course MATH0001 doesn't run the entire semester it may only run from 8th Jan - 15th March and the course is scheduled in a room called GR4. Now because a course can be scheduled modularly, one room could have several courses scheduled in this manner.
The problem: I need to find out how many hours GR4 is used but it contains the following courses
Code:
Schedule for room called GR4
Course StartDate EndDate BeginTime EndTime HoursPerClass
MATH0001 06-FEB-13 19-FEB-13 0810 1700 9
MATH0002 20-FEB-13 04-Mar-13 0810 1700 9
MATH0003 10-JAN-13 05-Feb-13 0810 1700 9
MATH0004 22-APR-13 17-May-13 0810 1700 9
MATH0005 08-MAR-13 21-APR-13 0810 1700 9
MATH0006 07-JAN-13 09-JAN-13 0910 1300 4
MATH0007 20-JAN-13 17-MAY-13 1710 2000 3
MATH0008 08-JAN-13 18-JAN-13 1710 2000 3
A day only has 13 hours. Therefore the total hours spent in GR4 should be 12 hours. This is calculated by adding the hours between 8am and 5pm = 9 hours and 5pm an 8pm = 3 hours. I would not include 9am to 1pm because it is a subset of the 8am to 5pm slot.
Now, how to accomplish this but below is the code that i have thus far:
I forgot to mention that this code was to just test my 'final code' results and it outputs the table shown above. Anyway for testing purposes I have limited the search to the room GR4 and the day Tuesdays.
Code:
select DISTINCT ssrmeet_room_code,
ssrmeet_start_date,
ssrmeet_end_date,
ssrmeet_crn,
ssrmeet_begin_time,
ssrmeet_end_time,
(((CAST(M.SSRMEET_END_TIME AS INT))-(CAST(M.SSRMEET_BEGIN_TIME AS INT)))+10)/100 As HoursPerClass,
[code]....
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May 11, 2015
I have a stored procedure that runs every 5 minutes. I have one block in the procedure that will only run if there are records in a temp table. In addition, I would like this block to run only if the current time is between 0 and 5 minutes past the hour or between 30 and 35 minutes past the hour.
Currently, my block looks like this:
IF OBJECT_ID('tempdb..#tmpClosedPOs') IS NOT NULL
BEGIN
I can get the current minutes of the current time by using:
Select DATEPART(MINUTE,GetDate())
I know that it should be simple, but I'm pretty new at Stored Procedures. How do I alter the IF statement to check for the time and only run the block if it's between the times I stated? I started to DECLARE @Minutes INT, but wasn't sure where to go from there.
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Mar 25, 2002
I'm stuck. I have a table that I want to pull some info from that I don''t know how to.
There are two colomuns, one is the call_id column which is not unique and the other is the call_status column which again is not unique. The call_status column can have several values, they are ('1 NEW','3 3RD RESPONDED','7 3RD RESOLVED','6 PENDING','3 SEC RESPONDED','7 SEC RESOLVED').
i.e example, this is the existing data.
Call_id Call_Status
555555 3 3RD RESPONDED
235252 7 SEC RESOLVED
555555 7 3RD RESOLVED
325252 6 PENDING
555555 6 PENDING
325235 3 SEC RESPONDED
555555 1 NEW
This is the data I want...
Call_id Call_Status
555555 3 3RD RESPONDED
555555 6 PENDING
555555 7 3RD RESOLVED
The call_id could be any number, I only want the 6 PENDING rows where there are other rows for that call_id which have either 3 3RD RESPONDED or 7 3RD RESOLVED. If someone knows how it would be a great help.
Cheers,
Chris
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Dec 3, 2014
I have the following stored procedure to test scope of variables
alter proc updatePrereq
@pcntr int,
@pmax int
as
begin
[Code] ....
In the above script @i is declare in the if block only when the @pcntr value is 1. Assume the above stored procedure is called 5 times from this script
declare @z int
set @z = 1
declare @max int
set @max = 5
while @z <= @max
begin
exec dbo.updatePrereq @z, @max
set @z = @z + 1
end
go
As i said earlier `@i` variable exists only when `@pcntr` is `1`. Therefore when i call the stored procedure for the second time and so forth the control cannot enter the if block therefore @i variable wouldn't even exist. But the script prints the value in `@i` in each iteration, How comes this is possible should it throw an error saying `@i` variable does not exist when `@pcntr` values is greater than `1`?
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Jan 7, 2002
how can I select 10 random rows from a table?
Please help
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Sep 12, 2001
Hello,
Does anyone know how to select rows by their position in a table. I need to be able to e.g return the 2,000th - 2,200th rows as a set. I will have many concurrent clients connecting to this table so I do not want to use cursors. The table is 800,000 in length.
Any ideas people?
Thanks,
Alan
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Nov 28, 2007
Hi,
I've a table the following table:
ActDate datetime
CustomerID int
data on the table:
6/27/2007 10:23:22 AM
113
6/27/2007 10:25:20 AM
113
6/27/2007 11:38:34 AM
76
6/27/2007 5:23:22 PM
212
6/28/2007 11:58:58 AM
110
6/28/2007 12:24:17 PM
110
6/28/2007 12:27:15 PM
110
7/3/2007 5:16:44 PM
63
7/3/2007 5:16:56 PM
63
7/12/2007 3:35:50 PM
98
7/13/2007 3:30:05 PM
110
7/13/2007 3:32:49 PM
110
7/13/2007 3:38:01 PM
110
7/13/2007 3:46:00 PM
110
7/14/2007 10:25:55 AM
82
7/15/2007 9:19:11 AM
18
7/21/2007 3:53:16 PM
34
7/23/2007 11:53:43 AM
84
7/23/2007 11:55:24 AM
84
7/23/2007 11:55:48 AM
84
7/24/2007 7:41:31 PM
116
7/27/2007 9:39:52 AM
110
7/27/2007 12:41:49 PM
18
7/28/2007 11:00:55 AM
113
7/31/2007 10:11:31 AM
82
8/1/2007 5:56:23 PM
98
8/2/2007 7:22:16 PM
77
8/2/2007 8:28:11 PM
77
I need to filter the table in order to have only a record by CustomerID with the higher date.
Thanks in Advance
JP
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Jul 20, 2005
Hi,I am having a problem with aquery. Firstly here is a script to createthe table and insert some sample data:CREATE TABLE [dbo].[tbltemp999] ([Machine_Name] [char] (17) COLLATE SQL_Latin1_General_CP1_CI_AS NOTNULL ,[EventDate] [datetime] NOT NULL ,[EventID] [int] NOT NULL) ON [PRIMARY]GOINSERT INTO tbltemp999 VALUES ('MOBL','2004-08-16 12:05:14.000',6006)INSERT INTO tbltemp999 VALUES ('MOBL','2004-08-16 12:08:32.000',6005)INSERT INTO tbltemp999 VALUES ('MOBL','2004-09-22 12:24:45.000',6006)INSERT INTO tbltemp999 VALUES ('MOBL','2004-09-22 12:28:25.000',6005)INSERT INTO tbltemp999 VALUES ('MOBL','2004-11-03 17:53:38.000',6006)INSERT INTO tbltemp999 VALUES ('MOBL','2004-11-03 17:57:02.000',6005)INSERT INTO tbltemp999 VALUES ('MOBL','2004-11-04 12:09:10.000',6006)INSERT INTO tbltemp999 VALUES ('MOBL','2004-11-04 12:12:48.000',6005)The EventIDs 6005s represents a system start up and an EventID 6006represents a system shut down/restart. I already have a query tocalculate the downtime of a particular date range. So when i want tofind the total uptime of a date range in the past i do the following:Date1 00:00:00.000 to Date2 23:59:59.999 then subtract the downtime.My problem arises when Date2 is todays date as the time of23:59:59.999 would not have reached so the calculations are alwayswrong.How can I make the Date2 also read the current time?If this is vague info feel free to ask me to explain better.ThanksSunny
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Apr 11, 2008
Your help is greatly appreciated. How do you query each one of the following:
1) SELECT FieldValue WHERE DateTime is from 8:30AM - 12:00PM and 6:00PM - 9:30PM on Mondays thru Fridays (i.e. exclude Sat & Sun) for the whole month of January 2008.
2) SELECT FieldValue WHERE DateTime is from 9:30PM - 8:30AM on Mondays thru Fridays, AND ALL-DAY on Saturdays & Sundays for the whole month of January 2008.
Thank you in advance.
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Jun 11, 2008
Hi,
I want to select the 8 most saled products from large orders table... the problem is that when i use the "distinct" sentence (something like this- "SELECT TOP 8 distinct id, products, productid FROM tbl_orders ORDER BY id") I get back the distinct of any columns.... (and any ID is distinct, of course), but if i don't include the id's in the distinct sentence, i can't order by id's.
can i get the last orders, only by distinct product, and not by distinct id, and order them by the id's?
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Jan 7, 2004
I have a temporary table that contain 1000 rows. I want to insert records from 900 to 1000 into another temporary table. Is ther any query that will do this in SQL server. With cursors I can do that but I need one shot query. Please give me some suggestions.
I using this query but it is not returning any rows.
select * into #t2 from #t1 t1 where not exists( select top 900 * from #t1 t2)
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Jun 24, 2008
Hello all.
Im trying to write a stored procedure which i can stipulate the top number of rows it returns. I know i use the following syntax:
SELECT TOP 5
And i know i need to pass the number of rows i want as a variable to the stored proceudre like:
@Top as Integer
But when i try and do the following. SQL Server complains about the syntax:
SELECT TOP @Top
Can anyone advise me how i should be doing this?
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Oct 31, 2013
I have two tables a stock table and a price table and I want to select the correct price for the Stock Date.
Problem is sometimes there is a promotion date in the price table between the live dates so the rows double up. Below is my sql but I get over 17,000 rows when it should be about 16,964.
I will post up the table and data.
SELECT a.[Company]
,a.[ProductID]
,a.[ColourSize]
,a.[StockDate]
,a.[Quantity]
,b.[Ticket Price]
FROM[Stock_Ledger] a
LEFT OUTER JOIN [Product_Prices] b
ON a.[Company] = b.[Company]
AND a.[ProductID] = b.[ProductID]
AND a.[ColourSize] = b.[ColourSize]
AND a.[StockDate] BETWEEN b.[StartDate] AND b.[EndDate]
ORDER BY a.[StockDate],a.[ProductID],a.[ColourSize]
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Jun 5, 2006
Mike writes "Hi,
I am a beginner with TSQL and I hope this is not a silly question :-)
Lets say I have a table with 2 columns, 1 a primary key identity field with increment 1 and the other a char.
EG:
ID ANIMAL
---------
1 CAT
2 DOG
3 PIG
4 RAT
5 PIG
6 DOG
7 DOG
.
.
And so on with many entries
How do I return a selection of rows that have the contents of the ANIMAL field matching 1 or more times
EG:
From above table I want to return rows 2,6 & 7 and 3 & 5 ONLY and not 1(CAT) and 4(RAT) because they only occur once.
In my real life situation I have unknown numeric data in field 2 but the principal is the same.
How do I do this?
Thanks in Advance
Mike"
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Sep 25, 2006
I have a table stock, on the table I have company_name, stock_value, sector.
Now I want to get top five rows from this table depending on the five highest value of stock_value and for each sector. The query has to run on both oracle DB and Microsoft SQL Server with top priority MSSQL.
I will appreciate if you help me on this
jideofor
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Jul 30, 2007
I know I can use "First" to specify a number of rows to return from a query but is it possible for the number of rows returned to be based on a parameter, something like this:
SELECT FIRST @someNumber name, age
FROM friends
WHERE age > @ageInput
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Jul 23, 2005
Hi experts,I have been trying to limit the table rows in the following situation,any suggestions will be appreciated.we have table called tempTb has columns id, c_id, c_name, rating, datecolumns.id is an identity column.date is a datetime column, the rest are varchar datatype.Here is the table structure with sample data,idc_idc_nameratingdate1aoamer onli11/1/20022aoamer onli13/1/20023aoamer onli16/1/20024aoamer onli39/1/20025aoamer onli312/1/20026aoamer onli33/1/20037aoamer onli36/1/20038aoamer onli39/1/20039aoamer onli212/1/200310aoamer onli16/1/200411aoamer onli112/1/200412xyxabs yasd11/1/200213xyxabs yasd23/1/200214xyxabs yasd26/1/200215xyxabs yasd29/1/200216xyxabs yasd112/1/200217xyxabs yasd13/1/200318xyxabs yasd36/1/200319xyxabs yasd39/1/200320xyxabs yasd212/1/200321xyxabs yasd16/1/200422xyxabs yasd112/1/2004[color=blue]>From this table I need to select the rows with rating changes only,[/color]i.e if two or three consecutive rows have same rating only the firstrow should be selected.the selection should look like...idc_idc_nameratingdate1aoamer onli11/1/20024aoamer onli39/1/20029aoamer onli212/1/200310aoamer onli16/1/200412xyxabs yasd11/1/200213xyxabs yasd23/1/200216xyxabs yasd112/1/200218xyxabs yasd36/1/200320xyxabs yasd212/1/200321xyxabs yasd16/1/2004I was trying to do this by self-joining the table like....select t1.* from tempTb t1, tempTb t2where t1.id!=t2.id,t1.c_id=t2.c_id,t1.c_name=t2.c_name,t1.rating!=t2.rating.But this is generating cartesian products,I have tried some other combinations after where clause with date colmnwtc,but none seems to give the required result.so if anybody can guide me in the right direction I would appreciateit.Thanks alot,Remote
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Jul 23, 2005
Hello All,I have this table:CREATE TABLE [dbo].[tbl_TESTING] ([ROW_ID] [int] IDENTITY (1, 1) NOT NULL ,[FNAME] [varchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,[LASTNAME] [varchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,[MOVEDINYR] [int] NULL ,[MOVEDOUTYR] [int] NULL) ON [PRIMARY]GOwith these records:INSERT INTO tbl_TESTINGVALUES('JAMES', 'TAYLOR', '1995', '2000')INSERT INTO tbl_TESTINGVALUES('JAMES', 'TAYLOR', '1994', '2005')What I would like to do is be able to select FIRSTNAME, LASTNAME,MIN(MOVEDINYR), MAX(MOVEDOUTYR) for JAMES TAYLOR e.g.FIRSTNAME=JAMESLASTNAME=TAYLORMOVEDINYR=1994MOVEDOUTYR=2005Some sql syntax help appreciated,thanks in advance!
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Apr 20, 2006
hi!I have two tables with same structure. I need to run a select query thatwill return only the rowsfrom one table that are not in the other.In MySQL it would beselect * from table1 MINUS select * from table2.but in MsSql I can not find the apropriate way to do this.Any Help?Zvonko
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Jan 23, 2008
Is it posible on a query ordered by employee name, for exemple, that MSSQL gives me a position of which employee is contained on the recordset?
that's my query (simplified)
SELECT name, payment, category FROM employee_payments ORDER BY name
John, 1000, sallary
Peter, 1500, sallary
Peter, 500, other
Zeus, 1000, sallary
I want to add another field giving me the position of the employee on the recordset:
John, 1000, sallary, 1
Peter, 1500, sallary, 2
Peter, 500, other, 2
Zeus, 1000, sallary, 3
Is it posible?
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May 8, 2008
I'm looking for a way to link records that would be related to an employee that worked during that shift.
we have 2 shifts days and nights going from 6:00AM to 6:00PM
we have records that are written to a table as events happen on equipment on site.
"Equip_Trans"
"Start_time" "Equip_ID" "Shift_date" "Status" "End_Time"
Date-Time, int, Date, varchar(3), Date-time
5/8/2008 4:23:25 AM, 0200, 5/8/2008, M20, 5/8/2008 5:15:34 AM
5/8/2008 2:18:45 AM, 0206, 5/8/2008, M24, 5/8/2008 3:10:03
5/8/2008 5:15:34 AM, 0200, 5/8/2008, M13, 5/8/2008 7:24:36 AM
5/8/2008 3:10:03 AM, 0206, 5/8/2008, M20, Null
5/8/2008 7:24:36 AM, 0200, 5/8/2008, O21, 5/8/2008 7:55:34 AM
5/8/2008 7:55:34 AM, 0200, 5/8/2008, M24, 5/8/2008 8:36:34 AM
I have another transaction table "Operator_Trans"
"Operator" "Date" "Shift"
jane Doe, 5/6/2008, 1
Pete Who, 5/6/2008, 2
Sam What, 5/7/2008, 1
Pete Who, 5/7/2008, 2
john Doe, 5/8/2008, 1
jane Doe, 5/8/2008, 2
and last a third table "Shift"
Shift, Start_Time, End_Time
1, 6:00AM, 6:00PM
2, 6:00PM, 6:00AM
I need out put that will show all Equipment status's that started during the shifts worked by an operator
Pete Who, 5/8/2008 4:23:25 AM, 0200, 5/8/2008, M20, 5/8/2008 5:15:34 AM
Pete Who, 5/8/2008 2:18:45 AM, 0206, 5/8/2008, M24, 5/8/2008 3:10:03 AM
Pete Who, 5/8/2008 5:15:34 AM, 0200, 5/8/2008, M13, 5/8/2008 7:24:36 AM
Pete Who, 5/8/2008 3:10:03 AM, 0206, 5/8/2008, M20, Null
john Doe, 5/8/2008 7:24:36 AM, 0200, 5/8/2008, O21, 5/8/2008 7:55:34 AM
john Doe, 5/8/2008 7:55:34 AM, 0200, 5/8/2008, M24, 5/8/2008 8:36:34 AM
I am not completely sure the direction I should start off with. I have some SQL knowlege but I would still consider myself new.
Thanks
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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 25, 2015
I have questions and answers from one table, I need to select questions as column names and answers column values as the results for the questions column.
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Mar 20, 2008
I got the following query:SELECT TOP (8) ext.extID, ext.Quote, ext.sourceTitle, ext.extRating, gf_game.gameID, gf_game.catID, gf_game.URL, gf_game.TitleFROM gf_game_ext AS ext INNER JOIN gf_game ON gf_game.gameID = ext.gameIDWHERE (ext.Approved = 1)ORDER BY ext.extID DESC which is e.g. producing this output: 6000 -some text- Title 90 1960 2 tom-cl tom cl5999 -some text- title 90 1960 2 tom-clcl asdf5998 -some text- title 90 1959 2 tom-cl-cl asdfWhat I'd like to do now is to filter out the duplicate GameIDs (= 1960) so that just one unique row with the gameid 1960 is remaining. If I put in a SELECT DINSTINCT TOP(8) it just counts for the table ext, but I need it to count for gf_game.gameID - is that possible?Thanks a lot!
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Jan 25, 2001
Hy!
I'm trying to write a query which returns only some rows in my table...
For example :
I want all the rows included between 30 and 50 from table XYZ
(30 and 50 are not keys but really the numbers of records)
Is there someone out there who has a hint for me???
Thank you for your help and sorry for my english!
RadiFluide
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Dec 15, 1999
I need to select the last 6 rows from a table... I was doing it like this:
select * from table where id > (select max(id)-6 as id from table)
But if one of the records is deleted it will only show 5.... Is there any easy way to make it show the bottom 6 records?
much thanks sql gods...
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Aug 20, 2013
I have to select rows based on if the transaction date = todays date.The column is defined as numeric 8 with 0 decimal.how to code for todays date with such a column?
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Feb 6, 2014
Table 1:
AB C
114.7
214.7
314.7
Table 2:
ADE
11a1.2
11b1.8
22a2.1
22b2.3
33a0.6
I would like to filter the second table taking one row per ID of Field A (first table) and selecting the rows whose sum of E is equal to the value in field C; in this example the resulting table should be:
Table 3:
ADE
11b1.8
22b2.3
33a0.6
Total field E = value in field C = 4.7
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Mar 17, 2015
Here's my current SQL:
SELECT
RN_TEST_ID AS 'Test ID',
MAX(RN_EXECUTION_DATE) AS 'Last Execution Date',
MAX(RN_EXECUTION_TIME) AS 'Execution Time',
RN_DURATION AS 'Run Duration'
FROM RUN
[code]....
Here's a sample of data returned:
Test IDLast Execution DateExecution TimeRun Duration
86722/9/2015 0:0012:08:16180
86822/9/2015 0:0011:29:06181
86842/9/2015 0:0008:29:17119
105252/3/2015 0:0019:03:4089
105252/3/2015 0:0019:10:13305
106682/3/2015 0:0018:55:43103
106682/6/2015 0:0018:10:50123
114572/3/2015 0:0011:40:0726
What I need are two things:
1. The query should only return one record for each test id
2. The record returned should be the most recent. By most recent I mean the RN_EXECUTION_DATE and RN_EXECUTION_TIME of the returned row should be the most recent in time.
For example, in the sample data there are multiple rows with the same test id (for example 10668 and 10525. The 10525 is even more problematic since its execution date is the same for both rows returned - the execution times differ. Again, I want one record per test id and that record should be the most recent in time.
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Sep 18, 2007
As a beginner i am having trouble with this.
i have two different tables , both have a name column, nvarchar datatype.
I would like to select from table B all the rows which contain a name which is not in table A.
Then insert these rows, into table A
tried a few different ways & just keep getting strange errors that refer to courier font ??
SQL Team Your my Hero !
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