Querying Through Multiple Tables? Fairly New And Stuck!
Jan 4, 2004
I am trying to query multiple tables that have the same column. They are a supposed to be a unique ID to the product, but not to the database. I have a primary key already set to each othe tables. The tables do not share anything between them, but i would like to search for these IDs in other tables before my insert command is executed. I am writing my code in VB. example of what i am trying to accomplish.
Table1 = TVs
ID/SKU_ID/Manufacturer
1 87654 Samsung
Table2 = DVD_Players
ID/SKU_ID/Manufacturer
2 765234 Kenwood
I want to search for SKU_ID in multiple tables( I think a total of 9 tables). I want to search between tables to catch for the same SKU_IDs. and if it finds it, raise error. I will be able to figure the vb.net portion. I just dont know how to go about the sql query portion. Thanks in advance and appreciate any help. Thanks!
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May 31, 2007
I am trying to query the Topics in my discussion forum...The Topic contains a "last_poster_id" and a "author_id" I need the username and userid for both "last_poster_id" and "author_id" in the table "aspnet_Users"How do I do this?I would guess I need to use sub select statements. Can someone help me?
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Dec 13, 2007
Hi all,
lets say i have a table as follows
id name1 red2 orange3 green
and this has s join to another table via the id
table2
id event 1 stop2 stop3 start
now if i make a view and drop these two tables the jkoin is there but i would liek to report on all names who have a event of "go"but it gives me no results , which is right . but how can i output all the names and in the evnet put a empty SO
name eventred emptyorange emptygreen empty
thanksrobby
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Jul 23, 2005
Hi;I am looking for suggestions about how to solve a problem using tsql.I have been asked to create a report concerning 4 tables.Each of the 4 tables is in its own database.The 4 tables are identical in name and structure.I would like to query all 4 of these tables and get the results as ifthey were one table.All suggestions welcome, thanks.Steve
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Dec 10, 2007
Dear Readers,Is it possible, like in Access, to link to tables in other SQL databases that are on the same server? I have a query that I originally had in Access that queered from multiply databases. It did this by having those other tables in the other databases linked to the database that had the query.
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Jul 20, 2005
HiI'm a bit stuck with a SELECT query. This is a simplified version ofwhat I need. I've had a look in a few books and online but I'mdefinitely missing something. I'm trying to avoid looping and cursors.I'll be running this in a stored procedure on SQL 7.I have a separate query which returns a series of numbers, A, say 101103 107 109 113.I have a table (tableB) with a field myFieldB where I have anotherseries of numbers, B. I want return each row in tableB wherei - ALL values in A existii- ANY values in A existFor ii, I can use WHERE myFieldB IN AHow about for i?Is there a good guide on the web or a book on WHERE clauses and/ormore complex SQL?Thanks in advance!Sam
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Feb 7, 2007
Hey there!
I'm not sure how to explain this but here goes...
I'm a bit stuck, a new project that's come about "requires" me to query multiple databases as if they were tables.
1 Oracle database which stores information on our staff (this database is a part of some MIS software and can't be changed in any way)
1 SQL Server 2005 database which stores information on staff sickness
Basically say theres 1 table in each database
Oracle DB
People
Person_Code
Forename
Surname
SQL DB
Sickness
Person_Code
Daydate
Lets say the query I want to perform is to select all the records from sickness where person code is 22334 and also get their name from the other db, so the output may look like
22334 Dann Rees 01/01/2007
22334 Dann Rees 03/01/2007
22334 Dann Rees 10/02/2007
Now I realise I can write a quick function to pull the information but this is just a basic example. Effectivley what I "need" is to be able to query sickness while sub querying people to get the names, or some kind of pass through query?
Please remember this is just a very simple example and the "actual" queries will be far more complicated, for instance finding all the employees of a certain department who is male and was sick in January. All the data for that example is stored in people (oracle) except for the dates which is stores in sick (SQL 2005). Now these are easy enough if they were tables in 1 database....but their not, their tables in 2 databases, and theres nothing I can do to change that :(
All help appreciated as this is becoming very urgent.
Many thanks
Dann
(I couldnt post this in the General data access forum for some reason)
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Mar 4, 2007
Hi all. I have the problem on query.
This is my query.
select D.fullname, P.religion, E.empno from pspersonaldata as P
inner join hremployees as E on P.dcno = E.empdcno
inner join psdatacenter as D on D.dcno = E.empdcno
where P.religion in ('Born Again','Baptist', 'Catholic')
How could I make a query that returns a result for either "Born Again, Baptist, or Catholic". The parameter would depend on the input of the user depending on how many religion the user inputed.
If the user inputed Born Again and Baptist, the result is the employees that have a religion of Born Again and Baptist.
Thanks
-Ron-
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Sep 21, 2006
Hello,
This is probably a simple solution but I'm a bit confused about which flows to use.
I have two databases on different servers that contain the same information but for the appropriate server. I want to retrieve data from each of the servers using a "select" statement.
Would I use a ForLoop and change the connection in a Script Task and then execute the SQL statement? Or can a ForEach Loop be used, but I'm not sure which type of enumerator.
Thanks for any help you can give.
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Nov 27, 2007
Hi,
I want to perform a join on two tables from two separate database servers.
Code Block
SELECT *
FROM tbl1 AS t1
INNER JOIN
"SERVERASQL2000".Production.tbl2 AS t2
ON t2.UserID = t1.UserID
Why do I get this error...
Invalid object name 'SERVERASQL2000.Production.tbl2'
thanks.
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May 23, 2008
This is my problem
Table A Columns:
OriginatingNumber,
TerminatingNumber
Both of these columns contain npanxx numbers which would be the first 6 digits of a phone number, example 217345 which is in illinois.
Table B Columns:
npanxx,
state
table B hold all npanxx numbers in the united states and what state it pertains to.
what i need to do is run a query to check and see what state the OriginatingNumber and the TerminatingNumber are in and decide if both numbers passed are in the same state or not.
so for example in Table A Row 1: OriginatingNumber is 217345 and the TerminatingNumber is 309454. I need to check both of these numbers against table B and it would return that both numbers are in IL. Basically I need to return a result of yes or no. yes they are in the same state or no they are not in the same state.
Any help would be great
Thanks for reading,
Nick
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Jul 23, 2005
Hello,I am relatively new to doing non-trivial SQL queries.I have to get data out of 8 diff views based on a parameter Name.There is a view having name-ssn pairs. All other views have SSN field.For a person there MAY NOT be data in all the views.I have to populate data into diff tables in a Report from differentviews.I would like to know what is the best way to approach it.So far I was trying an Inner join from the Name-ssn vies to all otherviews based on the SSN and test for the name field with the inputparameter.I am thinking there will be problem of Cross join if I dont have datain all views about a person.Or the best way is to write query for each view and have all of them ina stored procedure ?Any help will be appreciatedThanksBofo
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Jul 20, 2005
Hello,I am quite new to ms-sql and I have a problem : I want to create an SQLrequest which would copy serveral records from a table in a given databaseto another table (with exactly the same structure) in another database(theses two tables and databases already exist).Could you please tell me how to do this ? I dont know how to access twodifferent databases in a single SQL request.Thank you for you help.
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Jul 20, 2005
Folks,While I still have some hair left, can someone help me with thisquery?I have a table "TestRunInfo". Amongst other fields there are"TestRunIndex" (Pri Key), "TesterID", "Duration", and "Status".The Status field links to a Status table, which links the index valueto a more meaningful label "Pass", "Fail" etc...As you may have guessed, there is a record for each test that anindividual tester runs, and with that record is a duration, and status(1,2,3 etc).What Im trying to do, is create a datasheet view, with a single rowfor each testerID, summarising that Testers work as follows:TesterID, Total Duration, Count of passed tests, Count of failed testsSo far I have:Select TesterID, sum(Duration), count(Status) FROM TestRunInfo GROUPBY TesterIDBut this of course purely gives the total number of tests run by thatengineer as the count. I need to break it down. Help? Someone?Please?!?!?TIASteve
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Nov 15, 2006
Hi all,
How do I query two tables in different databases on the same SQL Server?
In short, I want to do:
Select A.*
from database 1. table 1 as A
inner join database 2. table 1 as B
on A.COL1 = B.COL1
Both database 1 and 2 are on the same SQL Server.
Please advise.
Thanks,
V
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Apr 18, 2006
Hi, while I'm trying to do Select statements, is there a way/setting whereby I don't have to constantly prefix the table names with a prefix?
For example, I'm working in multiple environments and they're differentiated by the prefix in their table names, uat.** vs prod.**
Any help would be appreciated.
Please email me at dickson.lau@rogers.com
Thanks again.
Dickson
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Dec 8, 2005
I get a 90-120 second blocking when send 15 or so simultaneous queriesto SQL Server 2000 that query a view made up of two joined tables.After each query is blocking for the same amount of time they allreturn. Further identical queries of this type work in 3-4 seconds(caching?) until hours later where it happens again. If I query thetables directly (without the view) I still get the same blocking. If Iremove the join (it is a simple inner join on two columns) I do not getthe blocking.Any ideas?
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Jan 18, 2006
This seems like a very simple question but i have never been able tofind an easy answer to it.I have a user table and i do a join with another table, we'll call theother table a results table.The results table has numerous rows with the userid foreign key.I want to make a query that will give me the number of rows in theresults table for each user where the result is some valueThe query is simple to make but will only show the users who have arecord in the results table the meet the where criteria, however i wantto display each user and show a record count of 0 when there are noresults in the results table that match the criteria.for example i have 2 tables.tblUsers_______________userid | username--------------------------1 | user12 | user2tblAnswers________________userid | answer----------------------------1 | 11 | 01 | 42 | 12 | 0if i run the query:select max(username), count(answer) from tblUsersleft outer join tblanswers on tblAnswers.userid = tblUSers.idwhere tblAnswers.answer = 4group by tblUsers.idi just getuser1 | 1i want to getuser1 | 1user2 | 0the only way ive found to do this is with a temp table and a curser tocreate all the users records and go back through an insert the answercount for each user. This approach seems very expensive and requires aquery that is 3 times larger than is needed for the same resultswithout including 0 count records. I know there must be a better way todo this.Any help is appreciated.
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Dec 27, 2006
Hi all,
I'm using SQL Server 2005 Express Edition, and I have restored a database that was using SQL Server 2000 previous. All of that went fine - sprocs and tables/data all made it.
However, when viewing the tables in the object explorer in the management studio, all the tables are prefixed with the schema name (testuser - so the table names are like: testuser.pn_user). Now, all of the code I have queries the tablename only without prefixing testuser to it - but this doesn't work anymore (invalid object name.)
I've tested, and if I prefix the table names in my code with "testuser.", it starts working again, but would rather avoid doing this. Is there something I can do within Sql Server? I've made the "testuser" account "mapped" to the database I'm using (not sure what that means - I'm more of a software developer than a database guy.) Also, when I do "Properties" for the "testuser," the default database is set to the one I'm trying to query w/o the schema.
Any ideas?
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Mar 21, 2008
Hi! I have a general SQL CE v3.5 design question related to table/file layout. I have an system that has multiple tables that fall into categories of data access. The 3 categories of data access are:
1 is for configuration-related data. There is one application that will read/write to the data, and a second application that will read the data on startup.
1 is for high-performance temporal storage of data. The data objects are all the same type, but they are our own custom object and not just simple types.
1 is for logging where the data will be permanent - unless the configured size/recycling settings cause a resize or cleanup. There will be one application writing alot [potentially] of data depending on log settings, and another application searching/reading sections of data.
When working with data and designing the layout, I like to approach things from a data-centric mindset, because this seems to result in a better performing system. That said, I am thinking about using 3 individual SDF files for the above data access scenarios - as opposed to a single SDF with multiple tables. I'm thinking this would provide better performance in SQL CE because the query engine will not have alot of different types of queries going against the same database file. For instance, the temporal storage is basically reading/writing/deleting various amounts of data. And, this is different from the logging, where the log can grow pretty large - definitely bigger than the default 128 MB. So, it seems logical to manage them separately.
I would greatly appreciate any suggestions from the SQL CE experts with regard to my approach. If there are any tips/tricks with respect to different data access scenarios - taking into account performance, type of data access, etc. - I would love to take a look at that.
Thanks in advance for any help/suggestions,
Bob
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Jun 11, 2007
Hi, all.
I have a question about how you would design this. I have to return a list of projects in a stored procedure with a statement like this:
SELECT ProjectID, ProjectName FROM PROJECTS;
This populates a DropDownList with all possible projects. When the user selects one, I need to find out more information about that project, like this:
SELECT a.ProjectID, a.ProjectName, b.OtherStuff FROM PROJECTS a INNER JOIN OTHERSTUFF b on a.ProjectID = b.ProjectID;
In the old ASP world, we just filled the ProjectID parameter with NULL if we wanted to return all results, and the stored procedure was set up to dynamically return results based on whether that parameter was NULL or not.
I'm looking for a more elegant way to do this. I can use two stored procedures, but I'm not sure what to name them. Obviously, I could call one 'SelectProjects' and the other 'SelectProject', but that just doesn't seem elegant enough. Anyone have any other ideas?
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Jun 7, 2005
What I am trying to do now is combine multiple complex queries into one table
and query it showing the results on an ASP.net page.
I am currently using SQL Server 2000 backend. Each one of these queries are
pretty complex so I created each query as a Stored Procedure. These queries are
dynamic by each user, so the results will never be the same globally.
What I have done so far was created a master stored procedure passing the
current user's username as a parameter. Within the master SP (Stored Procedure)
it creates a temporary table inserts and executes multiple stored procedures and
inserts into the temporary directory. Each of the sub stored procedures all
have the same columns. After the insert to the temp tables, I then query the
temp table and return it to the function it was executed in code and fill it as
a System.Data.DataTable. I then bind the DataTable to a
Repeater.DataSource.
Problem: When the page is rendered, it returns nothing. I
tested the master SP in the data environment and it works fine.
Suspect: ASP.net when the SP is executed, it sees that the
data is a disconnected datasource? Perhaps the session in the SQL Server when
the temp table is created isn't in SYSOBJECTS system table?
Here is an example of the code from the master SP:
CREATE PROCEDURE dbo.TM_getAlerts @Username
varchar(32)ASCREATE TABLE #MyAlerts ([DATE] datetime, [TEXT]
varchar(200), [LINK] varchar(200) )
INSERT INTO #MyAlertsEXEC
TM_getAlertsNewTasks @Username
INSERT INTO #MyAlertsEXEC
TM_getAlertsLateTasks @Username
SELECT [DATE] AS 'DATE', [TEXT]
AS 'TEXT', [LINK] AS LINK FROM #MyAlerts
GO
It is a fairly simple call... but why doesn't ASP.net doesn't see it when the
the DataTable is filled. I tried just executing one of the sub SP without
creating temporary tables and it works flawlessly. But the query in one of the
sub SP is a normal but complex select.
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Apr 23, 2008
I think this should be a dead easy one.
SQL Server 200.
Can I query to find all the tables in a single schema? I can't for the life of me find this one out!
I'm currently using a dreaded cursor with an exists test to get the results I want but there is surely an easier way!
Cheers,
G
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Jul 20, 2005
Hi, all:This is probably a simple problem, but, as an SQL newbie, I'm having alittle trouble understanding multi-joins and subqueries.I have the following tables and columns:MemberTable-----MemberID (primary key)MemberNameAddressCountryFoodsTable------FoodID (primary key)FoodNameMusicTable-----MusicID (primary key)MusicNameMoviesTable-----MoviesID (primary key)MoviesName....and their linking tables...Members2FoodsTable-----MemberID (foreign key)FoodsID (foreign key)Members2MoviesTable-----MemberID (foreign key)MoviesID (foreign key)....and so forth.Now what I'm trying to do is retrieve a specific MemberID, his address info(from the Members table), and get a listing of his favorite Movies, Foods,Music, etc. I know I probably need to JOIN tables, but where do I JOIN thetables? Do I have to JOIN the various Music/Foods/Movies tables or is itthe Music/Members2Music and Foods/Members2Foods, etc. tables? And I assumeI would probably need to perform a subquery somewhere?I realize I'll need to first filter the Members, Members2Music,Members2Foods, etc. tables by the MemberID, and afterwards, retrieve alisting of the actual Music/Foods/Movies names. I'm just confused how to dothat. (By the way, I have a total of 10 other tables or in addition toMusic, Foods, etc. so it's a lot of table JOINing.)If someone could please help me out with the actual SQL coding, I'd reallyappreciate it!Thanks for the help!J
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Mar 15, 2008
Please, could anyone tell me how to get information from which attribute of which table is the attribute from the view derived(it could also be a complex expression, not just attribute)through querying system tables or views(INFORMATION_SCHEMA, preferably if possible, because it's standard)
i'm using MSSQL2005.
Thank you!
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May 28, 2008
I have a table with rate histories that we recieve three times a day. I want to write a query that returns all fields for the row with the latest receipt time. ie - we get rates at 10 AM, 1 PM and 4 PM and I want to return the row from 4 PM. The arrival time is stored down to the seconds so I can't set an exact critera. I'm trying to so something like this...
Select *
from ratehistory
where ratehistoryid in (Select ratehistoryid, max(reciept) from ratehistory group by Cusip, Date(reciept))
Mike Devenney
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Sep 3, 2007
I am learning T SQL and SQL queries and have limited VB knowledge, and have a some simple queries to run on a table with parameters, and would like verification of the proposed methodology and suggestions.
Simply put, I have a [Transactions] table with columns [Price], [Ticker], [TransDate], [TransType] and calculated columns for [Days] and [Profit].
There are two parameters, [@Dys] (to query a the table for transactions within a certain period[Days = 30] and [@TT] to query only the closed transactions ie... [TransType='C']
I have been studying Stored Procedures and will be writing a Stored Procedure, but need verification if the following will work... Getting the SUM and AVG calcluations for the fields above is not a problem but I need to display SUM and AVG information also for those transactions where [Profit >0] and [Profit <0], which is easy enough by creating a subquery. But the problem is:
1. If I use a SubQuery for [Profit <0] and for [Profit>0], can I create an alias for [Count(*)] (to get a row or transaction count for each, and then divide that into the Total [Count(*)] alias for the Transactions table to get a value for % profitable or Probability (% total Profitable trades versus % total Unprofitable trades)?
2. Or, do I need to create either temporary tables or views to have 3 distinct tables (1 table for Transactoins and 2 temp or Views for [Profit >0] and [Profit <0])?
Any suggestions and advice or examples on how to do this would be appreciated.
Craig
My questions are:
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Jun 11, 2008
I want to select from a table based of a variable, the variable is either 1 or 2, however is it possible to ask for BOTH 1 and 2 when calling from a variable?I tried this, but it seems to only look for values matching 1 and then stop... SET @FuelType = '1 OR FuelType = 2'SELECT * FROM Engine WHERE FuelType = @FuelType
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Feb 12, 2006
Hi there,I am about to deploy an application and it works fine when launched from vwd... but typing it as locahost/application/example.aspx produces.....Server Error in '/WiseSystem' Application.
Unable
to open the physical file
"C:InetpubwwwrootWiseSystemApp_DataDatabase.mdf". Operating system
error 32: "32(error not found)".An attempt to attach an auto-named
database for file C:InetpubwwwrootWiseSystemApp_DataDatabase.mdf
failed. A database with the same name exists, or specified file cannot
be opened, or it is located on UNC share.
Description: An
unhandled exception occurred during the execution of the current web
request. Please review the stack trace for more information about the
error and where it originated in the code.
Exception Details: System.Data.SqlClient.SqlException:
Unable to open the physical file
"C:InetpubwwwrootWiseSystemApp_DataDatabase.mdf". Operating system
error 32: "32(error not found)".An attempt to attach an auto-named
database for file C:InetpubwwwrootWiseSystemApp_DataDatabase.mdf
failed. A database with the same name exists, or specified file cannot
be opened, or it is located on UNC share.Does anyone know why this is?? I havent used SQL servers before and this is the first real application i have designed.Please help!!
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Jan 29, 2014
I'm fairly new to SQL and am just setting up a Windows 8 app using an Azure SQL server. The issue I have is looking up a part number supersession and getting the latest number. One part number can have multiple supersessions (ie RTC5756 > STC8572 > STC3765 > STC9150 > STC9191 > SFP500160 ).The data I am supplied monthly has both the superseeded items and the supersession information in both columns and is not easy to decipher - for example:
Supersessions Table
----------------------
RTC5756 | STC9191
SFP500160 | STC9191
STC9191 | STC2951
STC3765 | STC9191
STC8572 | STC9191
STC9150 | STC9191
[code]...
The newest part number is kept in a separate table - called "source" - which in this instance is SFP500160. I need access to the latest part number but also to the part's previous numbers, due to the fact that some people may still be stocking them as an old part number and for them to search by. Is there an easy and efficient way of doing both a lookup for the supersessions and a join on the two tables to minimize the queries on the database?
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Nov 8, 2006
I need help in writing a query.
The query should get top 10 items and their values from current year and the values for the same items from previous year table.
I was able to write the code for 1st part that gets values from 1st table but I don't know how to get the values from 2nd table.
The 2 tables does not have any primary/foreign key relations. Both tables have same structure and same columns.
I am attaching some images below to give more information.
Image of results from my query.
Image of how the final output should look like.
The Store Procedure code is:
ALTER Procedure [dbo].[free_customsHS4](
@TblName1 varchar(20),
@TblType varchar(20),
@District varchar(6),
@Month varchar(3)
)
AS
Begin
SET NOCOUNT ON;
Declare @SQuery nvarchar(3000)
set @TblName1 = '[' + @TblName1 + ']'
set @TblType = '[' + @TblType + ']'
SELECT @SQuery = 'select top 10 a.commodity1 as HS4, b.descrip_1 as Description,
sum(a.all_val_mo) as [Amount],
(sum(a.all_val_mo)/(select Sum(a.all_val_mo) FROM ' + @TblName1 + 'a
where a.stat_month <=' + @Month + ' and a.district=' + @District +'))*100 as [% Share]
FROM ' + @TblName1 + ' a left outer join ' + @TblType + ' b on a.commodity1=b.commodity1
where a.stat_month <=' + @Month + ' and a.district=' + @District +'
Group by a.commodity1, b.descrip_1
order by [Amount] desc'
EXEC sp_executesql @SQuery
END
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Jun 7, 2007
Hi,
I have a situation where I'm having to extract key data from a financial file. Problem is, the columns are not nice and tidy.
Basically the file looks like this:
row 1: "788","Company","OPENING BALANCE:", 2084587.76
row 2: "313947","04/01/07","3","CS","FF", 170.00,"AZT","XYC INC", 20.8, 351.00
row 3:"788","06/06/07 CLOSING BALANCE:", 206203893.03
So, I'm going to need to get the OPENING BALANCE and CLOSING BALANCE figures, as well as all the data in between, ie) row 2 through n.
Does anyone have an example of a script that can be used for extracting very specific values from a file?
I have a script that checks for incomplete rows, but it is not sophisticated enough for this situation.
Thanks much
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Jun 16, 2015
I have a requirement where in i have around 15 different flat files , filenames are fixed but folder path can be changed(i think i should use a variable for folder path). These 15 files data should go to their respective tables in the database.
Whether I need to create separate data flow task for each file or separate package? In addition to these, example : while importing product data into product table, if product ID already exists, we need to ignore it and upload only the new records.
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