SQL Server 2008 :: Join Another Table But With Select Conditions?
Mar 24, 2015
I have this sql....
Select
DISTINCT p.dbPatID, p.dbpatfirstname, p.dbPatLastName,
s.dbSchTypeCnt as SchDetailType, t.dbSchTypeCnt as SchTypeType,
ISNULL(r.dbStatusDesc, 'No Ref') AS dbStatusDesc,
ISNULL(t.dbSchTypeCode, 'No Ref') AS dbSchTypeCode,
ISNULL(t.dbSchTypeDesc, 'No Ref') AS dbSchTypeDesc,
[code]....
however, I only want the lastest a.dbPatApptTime and only when a.dbPFStatus = 1 and a.ClientRef = 'EPS'
So the stand alone sql could be....
Select Top(1) dbPatApptTime as LastVisitDate, dbSchTypeDesc as LastVisitDesc
from appointments
where dbPFStatus = 1 and clientref = 'EPS'
order by dbPatApptTime desc
I'm just not sure how to incorporate that into my sql or whether there is a better way,
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Jan 10, 2008
My question is fairly simple. When I join between two tables, I always use the ON syntax. For example:
SELECT
*
FROM
Users
JOIN UserRoles
ON (Users.UserRoleId = UserRoles.UserRoleId)
No problems there. However, if I then decide to further filter the selection based on some trait of the UserRole, I have two options: I can add the condition as a WHERE statement, or I can add the condition within the ON block.
--Version 1:
SELECT
*
FROM
Users
JOIN UserRoles
ON (Users.UserRoleId = UserRoles.UserRoleId)
WHERE
UserRoles.Active = 'TRUE'
-- Version 2
SELECT
*
FROM
Users
JOIN UserRoles
ON (Users.UserRoleId = UserRoles.UserRoleId
AND UserRoles.Active = 'TRUE')
So, the question is, which is faster/better, if either? The Query Analyzer shows the two queries have the exact same execution plan, which makes sense, since they're both joining the same tables. However, I'm wondering if adding the condition in the ON statement results in fewer rows the JOIN statement initially needs to join up, thus reducing the overall initial size of the results table before the WHERE conditions are applied.
So is there a difference, performance wise? I imagine that if Users had a thousand records, and UserRoles had 10 records, then the JOIN would create a cartesian product of the two tables, resulting in 10,000 records in the table before the WHERE conditions are applied. However, if only three of the UserRoles is set to Active, would that mean that the resulting table, before applying WHERE conditions, would only contain 3000 records?
Thanks for whatever information you can provide.
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Jul 22, 2015
I have an intermittent issue where some remote PC's occasionally fail to execute select queries that have a join or return multiple result sets, however simple one table select queries continue to work okay. When it does happen the PC's needs to be rebooted to get to work again. This may only happen some PC's while others continue to work away okay.
I am using a VB6 application and ADO to connect to the database and the error message I get is a General Network Error, Server Not Found when it fails to execute the query. I have ran SQL Profiler on the server and while simple select queries continue to run away okay, a query a join does not even seem to show up in the profiler. The program has been working fine for 15 years with 1000's of users and has only now become an issue on one site for a number of users. Have tried moving the database to a different server and swapping network cards on the local PC's but can't seem to find the cause. The processor and the memory don't seem to be under load, but I am not sure if there is something else in SQL that is causing it to hang under certain conditions.
There have been network analysts experts in to run scans on the network, but I have not had the results of this back yet. Other applications do not seem to be affected so if this analysis does not show up anything.
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Jan 25, 2011
I have a XML data passed on to the stored proc in the following format, and within the stored proc I am accessing the data of xml using the nodes() method
Here is an example of what i am doing
DECLARE @Participants XML
SET @Participants = '<ArrayOfEmployees xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<Employees EmpID="1" EmpName="abcd" />
<Employees EmpID="2" EmpName="efgh" />
</ArrayOfEmployees >'
SELECT Participants.Node.value('@EmpID', 'INT') AS EmployeeID,
Participants.Node.value('@EmpName', 'VARCHAR(50)') AS EmployeeName
FROM
@Participants.nodes('/ArrayOfEmployees /Employees ') Participants (Node)
the above query produces the following result
EmployeeID EmployeeName
--------------- -----------
1 abcd
2 efgh
How do I join the data coming out from the above query with another table in the database, for example Employee in this case
i.e. somewhat like this (note the following query does not perform the join correctly)
SELECT Participants.Node.value('@EmpID', 'INT') AS EmployeeID,
Participants.Node.value('@EmpName', 'VARCHAR(50)') AS EmployeeName
FROM
@Participants.nodes('/ArrayOfEmployees /Employees ') Participants (Node)
INNER JOIN
Employee EMP ON EmployeeID = EMP .EmployeeID
My desired output after the join would be
EmployeeID EmployeeName Email Home Address
--------------- ----------- --------------- -----------
1 abcd abcd@abcd.com New York
2 efgh efgh@efgh.com Austin
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Apr 25, 2015
I'm creating a sql stored procedure inside this proc it returns some information about the user, i.e location, logged in, last logged in, etc I need to join this on to the photos table and return the photo which has been set as the profile picture, if it hasn't been set then return the first top 1 if that makes sense?
The user has the option to upload photos so there might be no photos for a particular user, which I believe I can fix by using a left join
My photos table is constructed as follows:
CREATE TABLE [User].[User_Photos](
[Id] [bigint] IDENTITY(1,1) NOT NULL,
[UserId] [bigint] NOT NULL,
[PhotoId] [varchar](100) NOT NULL,
[IsProfilePic] [bit] NULL,
[Code] ....
Currently as it stands the proc runs but it doesn't return a particular user because they have uploaded a photo so I need to some how tweak the above to return null if a photo isn't present which is where I'm stuck.
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Jul 8, 2015
Merge two rows into one (conditions or Pivot?)
I have Temptable showing as
Columns:EmpName, Code, Balance
Rows1: EmpA, X, 12
Rows2: EmpA, Y, 10
I want to insert the above temp table to another table with column names defined below like this
Empname, Vacation Hours, Sicks Hours
EmpA, 12, 10
Basically if it is X it is vacation hours and if it is Y it is sick Hours. Needs a simple logic to place the apprpriate hours(Balance) to its respective columns. I'm not sure how I can achieve this in using Pivot or Conditions.
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Jan 7, 2014
I have a stored procedure that I have written that manipulates date fields in order to produce certain reports. I would like to add a column in the dataset that will be a join from another table (the table name is Periods).
The structure of the periods table is as follows:
[ID] [int] NOT NULL,
[Period] [int] NULL,
[Quarter] [int] NULL,
[Year] [int] NULL,
[PeriodStarts] [date] NULL,
[PeriodEnds] [date] NULL
The stored procedure is currently:
USE [International_Forecast_New]
GO
/****** Object: StoredProcedure [dbo].[GetOpenResult] Script Date: 01/07/2014 11:41:35 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
[Code] ....
What I need is to add the period, quarter and year to the dataset based on the "Store_Open" value.
For example Period 2 looks like this
Period Quarter Year Period Start Period End
2 1 20142014-01-27 2014-02-23
So if the store_open value is 02/05/2014, it would populate Period 2, Quarter 1, Year 2014.
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Oct 24, 2006
pls:
1/ can we do it this way:
inner join Table2 ON table1.fld1=table2.fld21 AND table1.fld12=table2.fld22
2/also:
what s the difference between join , iner join and left join
Thanks .
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Apr 7, 2008
I have three table For example
Employee (Empid , Empname , Esal)
Department (Deptid , Deptname , empid )
Staff (staffid , Staffname , Empid)
It is just example
how can i update Empname whose staffid =1 accor to staffid)
using Join Conditions :- Pls help me out ..
or
how to update data using JOIN Conditions
Yaman
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Feb 11, 2008
Dear All,
I am not sure this is the correct forum for my issue, still im going on.....
I have a sql query which uses left outer join and where clause
select I.ir_id, I.ir_title,I. ir_b_type, I.ir_label, I.ir_createdby, I.ir_createdon, B.mstatus, B.bstatus from BR_IR I left outer join BR_BS Bon I.ir_id = B.bs_ir_id where I.ir_tr_rel = 'V03.03.06' order by I.ir_id desc
this works perfect. Now I want to exclude few records from the result on condn 'bstatus <> 'Yes'. So now my query will be
select I.ir_id, I.ir_title, I.ir_b_type, I.ir_label, I.ir_createdby, I.ir_createdon, B.mstatus, B.bstatus from BR_IR I left outer join BR_BS Bon I.ir_id = B.bs_ir_id where I.ir_tr_rel = 'V03.03.06' and B.bstatus <> 'Yes'order by I.ir_id desc
The below query will not return the left table records which doesnt have a matching one in the right table. It works something like inner join.
Could you please anyone tell me,where I am wrong?
Thanks,
Girija
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Mar 17, 2008
I am using Transact-Sql 2005, and I'm trying to do a left outer join, including only certain accounts. The account number is x-xxx-xxxx-xxxx.
I want to include only accounts where the last 4 digits are > 7149, and the first 5 digits are between 2-110 and 2-999, or are equal to 8-001.
This is my code, based on 2 temporary tables I have previously populated:
select
b.gl7accountsid,
b.accountnumber,
t.description,
t.category,
t.postdate,
t.poststatus,
t.transactiontype,
t.transamount,
coalesce(t.transamount,0) as TransactionAmount,
t.encumbrancestatus,
t.gl7fiscalperiodsid,
b.budamount,
b.gl7budgetscenariosid
from
#budgets b
left outer
join
#transactions t
on t.accountnumber=b.accountnumber
And right(t.accountnumber,4) > 7149
and (left(t.accountnumber,5) between '2-110' and '2-999' or left(t.accountnumber,5)='8-001')
order by b.accountnumber
I keep getting accounts with the last 4 digits > 7149, and also accounts whose numbers don't fall into the desired group of the first 5 digits.
I'm fairly new to SQL, and I'm thinking there must be a way to do what I want to do, but I don't know what it is.
Can anyone help?
Thanks very much ,
Sue
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Feb 12, 2008
Hi Faculties,I have two queries which give me the same output.-- Query 1SELECT prod.name, cat.nameFROM products prod INNER JOIN categories catON prod.category_id = cat.idWHERE cat.id = 1;-- Query 2SELECT prod.name, cat.nameFROM products prod INNER JOIN categories catON prod.category_id = cat.id AND cat.id = 1;The first query uses the WHERE clause and the second one has all theconditions in the ON clause. Is there anthing wrong with the secondapproach in terms of performance? Please suggest.Thanks in advanceJackal
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Sep 21, 2006
I have a SELECT Statement that I am using that is pulling from two tables. There won't always be results in the second table so I made a LEFT OUTER JOIN. The problem I am having is that I need to have three conditions in there:WHERE (employee.emp_id = @emp_id) AND (request.requested_time_taken = 'FALSE') AND (request.request_end_date >= GETDATE()))The two conditions from the request table are causing the entire query to return NULL as the value. I need help trying get a value whether or not there are any results in the request table.Here is the full select statement:SELECT (SELECT SUM(ISNULL(request.request_duration, '0')) AS Expr1
FROM employee LEFT OUTER JOIN
request AS request ON employee.emp_id = request.emp_id
WHERE (employee.emp_id = @emp_id) AND (request.requested_time_taken = 'FALSE') AND (request.request_end_date >= GETDATE()))
AS dayspending
FROM employee AS employee_1 LEFT OUTER JOIN
request AS request_1 ON employee_1.emp_id = request_1.emp_id
WHERE (employee_1.emp_id = @emp_id)
GROUP BY employee_1.emp_id, employee_1.emp_begin_accrual, employee_1.emp_accrual_rate, employee_1.emp_fname, employee_1.emp_minitial,
employee_1.emp_lname
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Feb 1, 2008
hi, i need help with a query:SELECT Headshot, UserName, HeadshotId FROM tblProfile INNER JOIN Headshots ON Headshots.ProfileId=tblProfile.ProfileId WHERE (UserName= @UserName) this query will select what I want from the database, but the problem is that I have multiple HeadshotIds for each profile, and I only want to select the TOP/highest HeadshotId and get one row foreach headshotId. Is there a way to do that in 1 SQL query? I know how to do it with multiple queries, but im using SqlDataSource and it only permits one. Thanks!
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Apr 2, 2008
I have got the following union statement:
SELECT plan2008.jahr, plan2008.monat, plan2008.kdkrbez, plan2008.kdgrbez, plan2008.abgrbez, plan2008.artnr,
FROM plan2008
GROUP BY plan2008.jahr, plan2008.monat, plan2008.kdkrbez, plan2008.kdgrbez, plan2008.abgrbez, plan2008.artnr
UNION
SELECT fsp_auftrag.jahr, fsp_auftrag.monatnr, fsp_auftrag.kundenkreis, fsp_auftrag.kundengruppe, fsp_auftrag.abnehmergruppe, fsp_auftrag.artnr
FROM fsp_auftrag
GROUP BY fsp_auftrag.jahr, fsp_auftrag.monatnr, fsp_auftrag.kundenkreis, fsp_auftrag.kundengruppe, fsp_auftrag.abnehmergruppe, fsp_auftrag.artnr
My problem is that each table contains additional values like art_amount, art_turnover etc... whereby the first table contains plan values while the second table contains actual values.
My goal is to get plan as well as the actual values in one row, how is that possible? If I put the values into each of the selects I get two rows, which is not the wished output.
Is it possible to join the tables after the union took place?
Thanks in advance!
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Jan 29, 2015
I am new in SQL and i need do a query where I need sum values from 2 tables, when i do it the Sum values are not correct. this is my query
SELECT D.Line AS Line, D.ProductionLine AS ProductionLine, D.Shift AS Shift, SUM(CAST(D.DownTime AS INT)) AS DownTime,
R.Category, SUM(Cast(R.Downtime AS INT)) AS AssignedDowntime,
CONVERT(VARCHAR(10), D.DatePacked,101) AS DatePacked
FROM Production.DownTimeReason R
left JOIN Production.DownTimeHistory D
[Code] .....
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Mar 23, 2015
I have Two tables @master and @child
Master Table :
MasterID EntryNumber BranchId IsstockIn
1 1 1 1
2 1 1 0
Child Table:
CEntryNumber CBranchID EntryQty
1 1 10
1 1 20
1 1 -5
1 1 -4
My Query:
Select SEC.EntryQty from Item.StockEntryChild SEC
where SEC.CEntryNo =
(
select SEM.EntryNumber from item.StockEntryMaster SEM
where SEC.CBranchID=SEM.BranchID and SEC.CEntryNo=SEM.EntryNumber and SEM.MasterID=1 and SEM.isStockIn=1
)
My Result:
EntryQty
10
20
-5
-4
Expected Result:
10
20
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Jul 13, 2015
I am looking for a query where in I can have a conditional statement within inner join after ON statement as shown below.
Declare @roleid int
select @roleid = roleid from Role where Name ='Admin'
select empid,empName,deptName from employee em
inner department dm on CASE when @roleid>0 then 1=dm.RoleId else em.RoleId=dm.RoleId end
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Mar 17, 2006
Hi All,
This is my problem. I need the out put of a sql select statement to be "true" or "false" depending on the actual columns value is positive or negative. Does any one how to do this.
Thanks in advance,
-VJ
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Apr 7, 2006
I can't figure this out for the life of me. Wanted to know if it's possible to select certain date conditions in a query, then later reference those conditions and to only select the max of them.
I need to do this dynamically as I do not know what the max value is. I've provided an example below:
Select var1
From table1
where
(
(Date1 = '11/30/2005')
OR
(Date1 = '12/31/2005')
)
and Date1 = (Max of previously selected values e.g. '12/31/2005')
What I can't figure out is how to dynamically retrieve the max of 11/31/2005 and 12/31/2005. Any ideas are greatly appreciated.
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May 12, 2008
Select c.Plan, c.ClaimNumber
from tbFLags c inner join tbMembers m
On c.Claim = m.HistoryNum
where c.Plan = 'J318' and c.Paymon = c.Rmon and c.Rmon = '2008-03-01'
Now I want to add these into this statement, what should be done.
Members meeting any of the 3 sets of criteria should not be selected
1) tbFlags.Hosp='1'
2) tbFlags.RD='1' OR tbCMSFlags.RAType in ('D', 'I2')
3) Deceased = tbMembers.DOD is not null.
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Jul 3, 2015
I have 3 tables as per following:
orddet
OrderProductQtyOrd
1 Item1 20
2 Item1 10
3 Item2 10
4 Item1 5
4 Item2 5
ordhead
OrderDate
110/06/2015
205/07/2015
307/06/2015
415/08/2015
product
ProductdescMinQty
Item1This is 110
Item2This is 220
I want to pull only the 1 line for minqty for an item as follows
OrderProductQtyOrddate minqty
1 Item1 20 10/06/2015 10
2 Item1 10 05/07/2015
3 Item2 10 07/06/2015 20
4 Item1 5 15/08/2015
4 Item2 5 15/08/2015
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Jul 15, 2015
I have two queries from two different tables ex ABC and BCD. For table ABC, according to my query, I got 11 records ; for table BCD I only got 9 records.
Bottom line: I would like to see only 11 records from Table ABC including certain data from table BCD after I joined this two tables.
However, no matter what I did I always got 99 records when I joined.
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Jul 20, 2015
I have data that I want at multiple granularities, 5,15,30 and 60 minutes. To reduce repetition, I have put them all in the same table, so that there is a column for 5,15,30 and 60 minutes, with a filtered index on each of the columns that removes the nulls. This means that each day will have 288 slots, but only 24 of the slots are filled in for 60 min data, and all of them are filled for 5 minute data.
I have another column that specifies the interval granularity, and my first thought was to access my data through a join, where I can use a CASE statement, and depending on the data granularity necessary, it will look at a different column:
INNER JOIN Data d ON
AND d.settlement_key =
CASE st.interval_granularity
WHEN 5 THEN [5_min_settlement_key]
WHEN 15 THEN [15_min_settlement_key]
WHEN 60 THEN [60_min_settlement_key]
ELSE NULL END
Despite the presence of the indexes on the columns, then the process seems to be quite slow, I think probably due to the fact that any query plan isn't going to know beforehand which of the columns it is going to use for any given dataset, until it actually starts to run, so it may not be optimised.
How I could optimise this based on the given structure? Maybe there are hints to be added to the join, or maybe I can clear the query plan each time the SQL is run? My other option for dealing with the data of different granularity was to use one column and repeat the data multiple times, each at the different granularity, but this makes my data, row and table sizes much higher, as we are adding just a column for each additional granularity. Would this work any better in future versions of SQL server, maybe with column store indexes?
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Jul 30, 2015
I have a query which wants to union join the data. no matter how many times I tried, I got an error. How to change my union query?
select distinct b.lev5 AS "LEVEL 1",b.lev5NAME, C.lev7 "FUND", C.lev7NAME,round (sum(a.data),2) AS AMOUNT
(Select distinct b.lev5
from bf_data a
inner join bf_orgn_cnsl_tbl b
on a.bf_orgn_cd = b.bf_orgn_cd
[Code] .....
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Oct 16, 2015
I have an inline query that I am trying to convert it into JOIN, results are not coming out the same:
Original query:
SELECT distinct
(select count (distinct LoanID) FROM Q_C_Main_Sub1 WHERE DAY(LastWorked) = DAY(GETDATE()) and MONTH(LastWorked) = MONTH(GETDATE()) and YEAR(LastWorked) = YEAR(GETDATE()) and PrimStat = '1' and Collector = '3') As DcountMy query:
[code]....
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Sep 12, 2007
Hi guys,
My challenge is really 3 problems in 1.
I have Table1 and Table2 which are inner joined with an ID.
Each record in Table1 may have up to two corresponding values in Table2, which are Type and Name.
req1- I want to select Table2.Name twice (or more), with each selection conditioned on a specific Type.
req2- I also want all information pertaining to the same ID to be returned in each row
req3- I want all IDs to be returned, even if Table2.Name are empty for Type1 and/or Type2.
So, the source tables look something like this:
Table1.ID | ……
-----------------------
ID001
ID002
ID003
ID004
Table2.ID | Table2.Type | Table2.Name
--------------------------------------------------------
ID001 | Type1 | NameA
ID001 | Type2 | NameB
ID002 | Type1 | NameC
ID003 | Type2 | NameD
Ideally, my results should look like this:
Table1.ID | Table2.Name (Type=1) | Table2.Name (Type=2)
----------------------------------------------------------
ID1 | NameA for Type1 | NameB for Type2
ID2 | NameC for Type1 | (empty)
ID3 | (empty) | NameD for Type2
ID4 | (empty) | (empty)
Right now, I can only get Table2.Name to display once, and it won’t return the empty values, even with outer joins. The structure that I’m using is:
SELECT …
FROM …
WHERE Table2.Name IN
(SELECT Table2.Name
FROM Table1 INNER JOIN Table2 …
WHERE Table2.Name = ‘Type1’)
Sorry the abstractness, but this is the simplest way for me to express the problem.
Any help will be appreciated, thanks!
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Jun 12, 2007
How can i insert a if-else condition in a select statement or is there a way to specify a condition within a select statement?
Any reply is really appreciated..thank you..
shemay
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Apr 23, 2015
SQL Version:Â 2008 (not r2)
Problem: My Select statement seems to be unaffected by some of the conditions in the WHERE Clause. For instance
JCCD.Mth >= cutoffs.FiscalYear_FirstMonth (value '20130101')Â AND JCCD.Mth <= @WIPMonthCurrent (value '20130101')AND LTRIM(RTRIM(JCCD.Job)) = '71-' (see output and code below)
SQL Code:
declare @WIPMonthCurrent date = '20130101'
SELECTÂ Â
    JCCD.JCCo, JCCD.Job, JCCD.Mth, JCCD.Source, sum(JCCD.ActualCost) AS CostToDate
[code]....
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Aug 27, 2012
Can the collation used by SSIS be changed or influenced during install or run time? We have found that our databases, that use a mandatory "LATIN1_GENERAL_BIN", have incorrect SSIS Merge Join output. Changing our database collation in testing didn't make a difference. What matters is the data. Which Windows collation is SSIS using?
Example Data:
FIRSTNAME
FIRSTNAME
FIRSTS-A-NAME
FIRSTS_A_NAME
FIRST_NAME
FIRST_NAME
FIRSTname
FIRSTname
FIRS_NAME
put in a Sort task before the Merge Join task as setting advanced properties isn't enough (as described by Eric Johnson here --> [URL] ......
We are using 64-bit SQL Server 2008 R2 w/ SP1 in Windows Server 2008 R2 ENT w/ SP1.
UPDATE from ETL team: Explicitly ordering the source with "COLLATE Latin1_General_CS_AS" seems to have the same effect as using a separate sort task. We don't feel that we can rely on our findings, however, unless we have documentation that this collation is what is behind SSIS.
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Jun 20, 2015
Refer to my query thread on msdn SQL site, how I can achieve the result.
[URL] .....
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Mar 9, 2015
I have two servers (lets call them sA and sB) connected from sA -> sB via a linked server (i.e. sA pulls data across from sB).
I'm building a temp table full of stock symbols on sA, and then I need to update some values on sA using content on sB. The tables on sB are very large (about 500m rows) so I don't want to pull even close to everything across the linked server. Ordinarily I'd do this by joining to the linked server table, but the target table needs to have nolock on it due to their high use.
update t
set someValue = s.SomeValue
from #myTab t
inner join lnk_sB.xref.dbo.Symbols s with (nolock)
on t.id = s.id
From reading around I gather that nolock doesn't work across linked servers. It was noted in another SSC article that you could use nolock by using an OPENQUERY, but then I can't join to my local temp table, and I end up pulling all .5B rows across the linked server.
Is there some way I can limit the content on sB by my temp table on sA but still use nolock?
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Feb 19, 2015
I built a query that brings in 'Discounts' (bolded) to the Order detail by using the bolded syntax below. I started off by running the query without the bolded lines and got exactly what I was looking for but without the ‘Discount’ column. When I tried to add the ‘Discount’ into the query, it duplicated several order lines. Although total ‘Discount’ column ties out to the total amount expected in that column, ‘Total Charges’ are now several times higher than before.
For example, I get 75 records when I run without the bolded syntax and I get several hundred results back when adding back in the bolded syntax when i should still be getting 75 records, just with an additional column ‘PTL Discount’ subtotaled.My question is, how to I introduce a new select or join from another table without duplicating the original data?
select
first_stop.actual_departure ‘Start'
, last_stop.actual_departure 'End'
, last_stop.city_name 'End city'
, last_stop.state 'End state'
, last_stop.zip_code 'End zip'
[code]....
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