T-SQL (SS2K8) :: Partition And Order Records
Oct 8, 2014
I have the below requirement:
1. Group records according to docno column.
2. Records will sort in desc order. (According to date1 column)
3. In date1 column if more than one date is same than we ll consider the date2 column.
EX: 2008-04-30 00:00:00is same here so sorting will happen based on Date2 column. So internal sorting should happen instead assigning random values.
4. Number column is the expected output column.
docnodate1 date2 Number
d1 2008-08-25 00:00:00 2009-09-08 11:23:41 1
d1 2008-04-30 00:00:00 2008-09-08 14:40:53 2
d1 2008-04-30 00:00:00 2008-09-08 14:29:43 3
d1 2008-04-30 00:00:00 2008-09-08 13:30:04 4
[Code] ....
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Nov 5, 2014
The database consists of the following tables:
create table dbo.customer (
customer_id int identity primary key clustered,
customer_name nvarchar(256) not null
)
create table dbo.purchase_order (
purchase_order_id int identity primary key clustered
customer_id int not null,
amount money not null,
order_date date not null
)
Implement a query for the report that will provide the following information: for each customer output at most 5 different dates which contain abnormally high or low amounts (bigger or less than 3 times SDTDEV from AVG), for each of these dates output minimum and maximum amounts as well.
Possible result: [URL] ......
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Jan 18, 2008
I have a query similar to the following. The intent of this query is to retrieve the top 6 records meeting the specified criteria (LOGTYPENAME = 'Process Status Start' OR LOGTYPENAME = 'Process Status End' ) based on most recent dates. Please keep in mind that I expect to return up to 6 records for each unique LogProcessName. This could be thousands of different LogProcessNames with up to 6 records for each.
1) The table I am executing against currently is very large in size and thus takes a long time to execute against. It would seem there must be a more efficient query to get the results I am looking for?
2) CTE doesn't work on SQL 2000. I need a query that does.
3) I cannot modify the database itself in the process.
;WITH cte AS (
SELECT [LogProcessName], [LogBody], [LogDate], [LogGUID], row_number()
OVER(PARTITION BY [LogProcessName]
ORDER BY [LogDate] DESC)
AS RN
FROM [LOGTABLE]
WHERE [LogTypeGUID] IN (
SELECT LogTypeGUID
FROM LOGTYPE
WHERE LogTypeName = 'Process Status Start'
OR LogTypeName = 'Process Status End' ) )
SELECT *
FROM cte
WHERE RN = 1 OR RN = 2 OR RN = 3 OR RN = 4 OR RN = 5 OR RN = 6
ORDER BY [LogProcessName] DESC, [LogDate] DESC
Does anybody else have any idea that would yield the results that I am looking for and take into account items 1-3 above?
Thanks in advance.
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Mar 13, 2015
Is it possible to show the number of rows and the range for each partition in a table ?
This shows me the range but not the row count per partition
SELECT sprv.value AS [Value], sprv.boundary_id AS [ID] FROM sys.partition_functions AS spf
INNER JOIN sys.partition_range_values sprv
ON sprv.function_id=spf.function_id
WHERE (spf.name=N'myDateRangePF')
ORDER BY [ID] ASC
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Sep 15, 2015
I have 3 columns. I would like to update a table based on job_cd and permit_nbr column. if we have same job_cd and permit_nbr, reference number should be same else it should take max(reference number) from the table +1 for all rows where reference_nbr column is null
job_cdpermit_nbrreference_nbr
ABC1 990 100002
ABC1 990 100002
ABC1991100003
ABC1992100004
ABC1993100005
ABC2880100006
ABC2881100007
ABC2881100007
ABC2882100008
ABC2882100008
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May 9, 2010
Is it possible to use a variable to specify the filegroup in the ALTER/CREATE PARTITION SCHEME command?
I want the partition scheme to use the default filegroup for ALTER and CREATE PARTITION SCHEME. At the time the script is created, I don't know the default filegroup in the database.
My code:
declare @fileGroupName VARCHAR(50) = (select top 1 name from
sys.filegroups where is_default = 1)
ALTER PARTITION SCHEME MyScheme NEXT USED @fileGroupName
Is failing:
Incorrect syntax near '@fileGroupName'.
Q: Is it possible to use a variable for the filegroup in the ALTER/CREATE commands? Is so, what is the correct syntax?
Q: If using a variable is not possible, is there another way to specify the default filegroup?
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Jul 2, 2015
I need to partitioning the table on which most expensive query run.
Every day 500000 lac records inserted/update in that table
How to create what impact on performance while retrieving the records.
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Apr 4, 2007
If I run an UPDATE query on a table which is partitioned by the column I am updating - will the records be moved to another partition?
ie. I have a table where Historical bit column marks whether a particular record should go to Partition1 (=0) or Partition2 (=1). Now, I update a record in that table and change the Historical column value from 0 to 1. What happens with that record?
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Dec 3, 2014
I have a table with about half a million records, each representing a patient in my county.
Each record has a field (RRank) which basically sorts the patients as to how "unwell" they are according to a previously-applied algorithm. The most unwell patient has an RRank of 1, the next-most unwell has RRank=2 etc.
I have just deleted several hundred records (which relate to patients now deceased) from the table, thereby leaving gaps in the RRank sequence. I want to renumber the remaining recs to get rid of the gaps.
I can see what I want to accomplish by using ROW_NUMBER, thus:
SELECT ROW_NUMBER() Over (ORDER BY RRank) as RecNumber, RRank
FROM RPL
ORDER BY RRank
I see the numbers in the RecNumber column falling behind the RRank as I scan down the results
My question is: How to convert this into an UPDATE statement? I had hoped that I could do something like:
UPDATE RISC_PatientList_TEMP
SET RRank = ROW_NUMBER() Over (ORDER BY RRank);
but the system informs that window functions will only work on SELECT (which UPDATE isn't) or ORDER BY (which I can't legally add).
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Mar 7, 2013
When We sort the data by using ORDER BY , which sorting algorithm method will be used by SQL optimizer?
1) Bubble Sort
2) Quick Sort
3) Merge Sort
4) Heap Sort
5) Insertion Sort
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Jun 17, 2014
I have an issue while display the result in the required order. How to get the required output.
Code :
USE tempdb
GO
IF OBJECT_ID('tempdb..#VersionFormat_tbl') IS NOT NULL
DROP TABLE #VersionFormat_tbl
CREATE TABLE #VersionFormat_tbl
(
[FormatID] [smallint] NOT NULL,
[Description] [varchar](50) NULL,
[Code] ....
Present output :
fileExtension FormatID Description fileExtension versionFormatTypeId
txt 1 Text txt 1
html 2 HTML html 1
xml 3 XML xml 1
pdf 4 PDF pdf 1
xls 5 Excel xls 1
doc 6 Word doc 1
Required output:
fileExtensionFormatIDDescriptionfileExtensionversionFormatTypeId
html2HTMLhtml1
xls5Excelxls1
doc6Worddoc1
pdf4PDFpdf1
txt1Texttxt1
xml3XMLxml1
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Jun 18, 2014
Below SQL gives the results of 2 columns and I need the DepartmentandDate column to be ORDER BY on date desc for that CID. Expected result is in the screenshot(attachment)...
IF OBJECT_ID('Tempdb..#tTable') IS NOT NULL
DROP TABLE #tTable
CREATE TABLE #tTable(CID INT, CDate DATETIME, Dept VARCHAR(25))
INSERT INTO #tTable(CID, CDate, Dept)
VALUES
(111, '2014-01-14 00:00:00.000','B is alphabet'),
[Code] ....
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Jul 7, 2014
I am having below schema.
CREATE TABLE #Turnover (
location varchar(50),
Total int
)
insert into #Turnover (location,Total) values('A', 500)
insert into #Turnover (location,Total) values('AB', 200)
insert into #Turnover (location,Total) values('ABC', 100)
insert into #Turnover (location,Total) values('BA', 100)
insert into #Turnover (location,Total) values('BAC', 500)
insert into #Turnover (location,Total) values('BAM', 100)
Now i want output order by total but same time i want to create two groups. i.e. location starting with A and order by total and after locations starting with B and order by total.
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Sep 26, 2014
the select statement in the join orders the numbers asc and if you run everything below the case statement it works, but as you run the whole thing the order is no longer there.
I need the order to work. What am I missing?
--Assign Intern's students
Update tblObjectType3_14
Set [FldNumeric23764]= case when tID = 1 and Q.n <= 100 then 2
when tID = 2 and Q.n <= 150 then 2
when tID = 3 and Q.n <= 150 then 2
when tID = 4 and Q.n <= 130 then 2
[code]....
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Sep 17, 2014
I am creating dynamic pivot and my column order is as below
[2015-02],[2015-04] [Prior] ,[2014-08],[2014-11]
but i want to display as below:
[Prior],[2014-08],[2014-11],[2015-02],[2015-04]
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Aug 28, 2015
Here is my requirement
Table 1 Order
order ID, Sales order ID order date, order type
Table 2 Order details
Order Details ID, Order ID, Order Stage
Table 3 Related Order details
Order ID(FK to Order ID), Related Order Details ID(FK to Order Details ID), Related Order ID( FK to Order ID)
Here is example
Table 1 Order
1, 1234, 2015-01-01, Refill
2, 1234, 2015-02-02, Extension
Table 2 Order Details
1, 1, Approved
2, 1, Approved
3, 2, Rejected
Table 3 Related Order Details
2, 1, 1
2, 2, 1
I have to Select Order, Order Details and Order Status
Order Status is determined from Order Stage as follows:
If, at least one order detail line(from Order Details and Related Order details table) is approved, that Order status=Approved.
For the example, Order Status of Order ID=2, is Approved based on order status for order details lines 3(from table 2) and order details ID 1 and 2 (from table 3)
How to combined order stage from table 2 and table 3 and then compute order status.
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Mar 25, 2014
I have two tables to be joined
Doc:
ID, DivID
Division:
ID, Div
CREATE TABLE [dbo].[Doc](
[ID] [int] NULL,
[DivID] [int] NULL
[Code] ...
As you can see, some Divisions have no correspondents in Doc, I want to show the count(1) result as 0 for those Division, and output the result in the order by DivID
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Jan 27, 2015
I am having problem with the unpivot function of sql 2012, i unpivot my column then i get the result that i wanted but the error that i was encountering was the unpivot is automatically sort the column in alphabetically order which is not I desire,
Here is my code
@syear nvarchar(50)
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
[Code] ....
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Mar 30, 2015
In Outer join, I would like to add the outer columns that don't exist in the right table for each order number. So currently the columns that don't exist in the right table only appear once for the entire set. How can I go about adding PCity, PState to each order group, so that PCity and PState would be added as null rows to each group of orders?
if OBJECT_ID('tempdb..#left_table') is not null
drop table #left_table;
if OBJECT_ID('tempdb..#right_table') is not null
drop table #right_table;
create table #left_table
[Code]....
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Apr 20, 2015
I have used Aasim Abdullah's (below link) stored procedure for dynamically generate code for deletion of child tables based on parent with certain filter condition. But I am getting a output which is not proper (Query 1). I would like to have output mentioned in Query 2.
Link:
[URL]
--[Patient] is the Parent table, [Case] is child table and [ChartInstanceCase] is grand child
--When I am deleting a grand child table, it should be linked to child table first followed by Parent
--- query 1
DELETE Top(100000) FROM [dbo].[ChartInstanceCase]
FROM [dbo].[Patient] INNER JOIN [dbo].[Case] ON [Patient].[PatientID] = [Case].[PatientID]
INNER JOIN [dbo].[ChartInstanceCase] ON [Case].[CaseID] = [ChartInstanceCase].[CaseId]
WHERE [Patient].PracticeID = '55';
--Query 2
DELETE Top(100000) [dbo].[ChartInstanceCase]
FROM [dbo].[ChartInstanceCase] INNER JOIN [dbo].[Case] ON [ChartInstanceCase].[CaseId]=[Case].[CaseID]
INNER JOIN [dbo].[Patient] ON [Patient].[PatientID] = [Case].[PatientID]
WHERE [Patient].PracticeID = '55';
how to modify the SP 'dbo.uspCascadeDelete' to get the output as Query 2.
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Sep 4, 2014
The FirstName and LastName values being passed in are in cyrillic text.
How do I add the N prefix in the update statement in order to store the text correctly.
I've tried FirstName = N@Firstname
or FirstName = '''N''' + @FirstName + '''
[dbo].[sp_UpdateDealerPeopleInfo](
@PersonId char(9),
@OriginalSID char(9),
@FirstName Varchar(50),
@LastName Varchar(50),
[code].....
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Oct 9, 2006
Using bcp to load data from a flat file into a database table will load the records in the exact same order as they are in the flat file; whereas, a DTS package may not load the records into the table in the exact same order as they are in the flat file. Why? ... the table has no keys or indexes ... the DTS package was created with MS SQL 2000 and is now being used in MS SQL 2005 ...
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Sep 22, 2000
Hello,
I need to select records by random order everytime user go to that page. QuestionID is the uniq field in this table.
SELECT * FROM QuestionMaster.
I tried to use the following statement to get the random records but I can't get the value in the variable out of this statement that I can use in my above select statement. Please HELP.
SELECT Convert(int,RAND()*97)
Thanks in a million.
Sarika
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Jan 3, 2008
I need to create a temp table with an identity column based on the contents of a physical table (CONTACTS) that has no key or unique way to identify which record was inserted first,
I can query CONTACTS with no ORDER clause and everything is in the order it was inserted. However, when I create the temp table with a newid() as ID or IDENTITY(1,1) as ID, the duplicate rows as they existsed in the physical table are not inserted into the temp table in the same order.
Is it possible to select records from a physical table into a temp table in the same order while creating a unique field?
Here is how they exist in the physical table:
CLIENTID CHANGEDATE NEWVALUE
------------ ----------------------- ----------------------------------------------------------------
C0HTRA200005 2007-11-19 21:11:57.000 NULL
C0HTRA200005 2007-11-19 21:11:57.000 NULL
C0HTRA200005 2007-11-19 21:11:57.000 Acquisition
C0HTRA200005 2007-11-19 21:11:57.000 Acquisition
C0HTRA200005 2007-11-19 21:11:57.000 Acquisition
C0HTRA200005 2007-11-19 21:11:57.000 Acquisition
C0HTRA200005 2007-11-19 21:11:57.000 Acquisition
C0HTRA200005 2007-11-19 21:11:57.000 Acquisition
C0HTRA200005 2007-11-19 21:11:57.000 Acquisition
C0HTRA200005 2007-11-19 21:11:57.000 Acquisition
C0HTRA200005 2007-11-21 06:46:17.000 Acquisition
C0HTRA200005 2007-11-22 07:47:56.000 Acquisition
Here is how they exist after being inserted into the temp table using DISTINCT:
ID CLIENTID CHANGEDATE NEWVALUE
----------- ------------ ----------------------- ----------------------------------------------------------------
15 C0HTRA200005 2007-11-19 21:07:20.000 NULL
16 C0HTRA200005 2007-11-19 21:10:52.000 NULL
17 C0HTRA200005 2007-11-19 21:11:57.000 Acquisition
18 C0HTRA200005 2007-11-19 21:11:57.000 NULL
19 C0HTRA200005 2007-11-21 06:46:17.000 Acquisition
20 C0HTRA200005 2007-11-22 07:47:56.000 Acquisition
I've tried this many different ways using variations of ORDER BY/ no ORDER BY.
I've tried creating the temp table first with the IDENTITY field, then insert into it.
I've also tried SELECT INTO syntax while creating the IDENTITY field with the select. I've done this with newid() as well.
Any ideas would be huge.
Thanks much.
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Feb 7, 2008
Hi,
I'm trying to look for an efficient way to select records from two tables, combine them (not just one set above the other) and also efficiently page the results as well as dynamically order by specific columns. So far I have this....
DECLARE @Temp TABLE
(
IDINTNOT NULL,
NameNVARCHAR(128)NOT NULL,
TypeCHAR(1)NOT NULL
)
INSERT INTO @Temp
SELECT i.ID, i.Name, Type = 'I' FROM Item i
UNION
SELECT p.ID, p.Name, Type = 'P'FROM Package p
SELECT * FROM @Temp
ORDER BY Name ASC
I was going to then implement some sort of of ROW_NUMBER like paging and ordering on the @Temp table variable. Problem is there could be potentially 1000's or more Items and Packages and they would all go in this single Temp table before having records 1 to 10 returned. Is there a more efficient way of doing this before I proceed any further?
Many thanks for any help! :)
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Jul 23, 2005
We have one single hash (#) table, in which we insert data processingpriority wise (after calculating priority).for. e.g.Company Product Priority Prod. QtyProd_Plan_DateC1 P11100C1 P22 50C1 P33 30C2 P11200C2 P42 40C2 P53 10There is a problem when accessing data for usage priority wise.Problem is as follows:We want to plan production date as per group (company) sorted order andpriority wise.==>With less data, it works fine.==>But when there are more records for e.g. 100000 or more , it changesthe logical order of dataSo plan date calculation gets effected.==Although I have solved this problem with putting identity column andchecking in where condition.But, I want to know why this problem is coming.If anybody have come across this similar problem, please let me knowthe reason and your solution.IS IT SQL SERVER PROBLEM?Thanks & Regards,T.S.Negi
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Mar 13, 2006
I have two tables CompanyTab and OrderTab .CompanyTab table contain one record for each client while OrderTab table contain multiple orders for clients.
I have data in both table like
CompanyTable
ID Name
1 name1
2 name2
OrderTable
OrderId CompanyTabID
1 1
2 1
3 1
4 1
In my query I want to show all orders in single row.
ID Name Orders
1 name1 1,2,3,4
2 name2 null
Is anybody can help on it.
Thanks
Arvind
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Mar 3, 2014
There are four tables
1. Matter
MID, CID, RType
001, a, m
002, a, m
003, b, m
004, c, m
2. Category
CID. RType
a, T
b, T
c, T
3. Security assignmnet
RID, RType, GID
001, m, g01
002, m, g01
002, m, g02
002, m, g03
003, m, g01
003, m, g03
a, T, g01
a, T, g02
a, T, g03
b, T, g02
b, T, g03
b, T, g04
4. Group
GID
g01
g02
g03
g04
I'd like to find the record in table #1 "Matter" which has exact record of "GID" in table #3 "Security Assignment" compare with table #2 "Category"
In this case, it is record of "002" bacause "002" in table#1 "Matter" and the record "a" in table #2 "category" both has exact GID records(g01, g02, g03) in table #3, "Security Assignment"
How can I create qury to find all the possible record in the table #2?
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Mar 6, 2014
I have a table that has multiple records as illustrated in the simple list below. The real list is much longer.
MachineA 1/1/2008
MachineA 1/3/2008
MachineB 1/7/2008
MachineB 1/8/2009
MachineB 5/5/2010
MachineA 5/7/2011
MachineA 4/2/2013
I need to query to return a result for each unique machine with the latest date. The example result below would be returned because they have the latest date.
MachineA 5/7/2011
MachineB 5/5/2010
Select Distinct would almost do it, but I need each unique machine that has the latest date.
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Apr 14, 2014
Suppose I have 2 table
1)Main
2)History
Main table maintain all the records having columns MAIN_SKU,DEDUCTIBLE_AMT,model_id,catagory,ModifiedDate
IF DEDUCTIBLE_AMT is changes it will place entry in history table ,columns are same with history_id
i want to display distinct main_sku from history table(all columns) with last DEDUCTIBLE_AMT changed from history table
table structure
main table
MAIN_SKUDEDUCTIBLE_amtmodel_idcatagory
1100100phone
2150101phone
3200109smartphone
4100202smartphone
History table
History_idMAIN_SKUDEDUCTIBLE_amtmodel_idcatagoryModifiedDate
11150100phone4/14/2014
21200101phone4/13/2014
34109202smartphone4/14/2014
44101202smartphone4/13/2014
52200101phone4/13/2014
63100109smartphone4/12/2014
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Apr 24, 2014
I have a table called TBLCataloghi
I have multiple records with colunms codpro and codcat equal
They differ only by a date called catalog.datfin
I'd like to select all rows but with the same codpro,codcat, obtaining ONLY the row with MIN () field datfin
Field datfin is a date..
Ex. codpro = 'PIPPO'
codcat = 'MK'
DATFIN = 01/01/2010
codpro = 'PIPPO'
codcat = 'MK'
DATFIN = 10/07/2014
I'd like to read both records but in SELECT obtain only the record with datfin MIN (01-10-2010)
I did the query but i was not able to do nothing of good. I obtain all times both records...
SELECT catalog.codpro AS CodProdotto,
catalog.codcat AS CodiceCatalogo,
MIN(catalog.datfin)
FROM pub.catalog
WHERE catalog.codcat = 'MK'
GROUP BY catalog.codpro,catalog.codcat ,catalog.datfin
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Jul 10, 2014
Here is my setup: I have the following tables -
tblPerson - holds basic person data.
tblPersonHistorical - holds a dated snapshot of the fkPersonId, fkInstitutionId, and fkDepartmentId
tblWebUsers - holds login data specific to a web account, but not every person will have a web account
I want to allow my admins to search for users (persons) with web accounts. They need to be able to search by tblPerson.FirstName, tblPerson.LastName, tblInstitutions.Institution, and tblDepartments.Department. The only way a Person record is joined an Institution or Department record is through many -> many junction table tblPersonHistorical.
People place orders and make decisions in our system. Because people can change institutions and departments, we need an historical snapshot of where they worked at the time they placed an order or made a decision. Of course that means some folks will have multiple historical records. That all works fine.
So when an admin user wants to search for webusers, I only want to return data, if possible, from he most recent/current historical records. This is where I am getting bogged down. When I search for a specific webuser I simply do a TOP 1 and ORDER BY DateCreated DESC. That returns only the current historical record for that person/webuser.
But what if I want to return many different webusers, and only want the TOP 1 historical for each returned?
Straight TOP by itself won't do it.
GROUP BY by itself won't do it.
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Sep 3, 2014
I have a SP that manipulates data for picking products and puts them into a temp table "#PickList" which is used for the basis of printing a picking note report.
I have also added code at the end of the SP to take the "#PickList" data and insert into a permanent table called "BWT_Lift_Transaction" and then use the bcp command to query it out to a text file. All this works fine, until the bcp command runs. Although the records are in the table, bcp returns nothing. Here is the code:
DECLARE @strLocation VARCHAR(50)
DECLARE @TransNum VARCHAR(50)
DECLARE @strFileLocation VARCHAR(1000)
DECLARE @strFileName VARCHAR(1000)
DECLARE @bcpCommand VARCHAR(8000)
[code].....
The earlier parts of the code create the filename for the text file and location to store it. If I insert a SELECT on the dbo.BWT_Lift_Transaction directly after the insert, I can see the data in there, but although the bcp command creates the file correctly, it returns no data:
output
NULL
Starting copy...
NULL
0 rows copied.
Network packet size (bytes): 4096
Clock Time (ms.) Total : 1
NULL
If I remove the delete statement at the end and run the code twice, it will insert the data into the table twice. On the first run, nothing is returned by bcp. On the second run, the first set is returned by bcp, not both sets.
I don't understand why this is, but I guess it's something to do with transaction commitment and the way bcp works.
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