Difference Between Two Similar Queries
Feb 21, 2008
Hi All,
Is there any difference between the two queries given below..I am not able to find any but am not sure. Kindly help.
A)
select a.* from( select top 1 hs.last_modified, hs.price, hs.revision_date
from history hs where hs.last_modified < '06-Jan-2008' order by hs.last_modified desc)a
order by a.revision_date desc
B)
select hs.last_modified, hs.price, hs.revision_date
from history hs where hs.last_modified < '06-Jan-2008'
order by hs.last_modified desc, hs.revision_date desc
Thanks,
Pradeep.D
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Jul 23, 2005
Hi,I m searching for some Script / Function ... to find difference in datab/w 2 similar tables (exactly same fields structure) in sql 2000.plz update me asap !thanks in advance !
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Mar 5, 2012
Customers order a product and enter in a source code (sourceCd). This sourceCd is tied to a marketing program. Idea being we can see that 100 customers ordered from this promo, 200 from this catalog, etc etc. The sourceCd that a customer enters is not always accurate so there is a magic process that adjusts this OrigSourceCd into a final SourceCd, that may or may not be the same.
I am trying to generate a result set of customer count by sales program based on both the original and final source code. Problem is, I have to do each query separately because in one, I have to join SourceCdKey to SourceCdKey to get the program associated with that SourceCd and in the other i have to join OrigSourceCdKey to SourceCdKey to get the program associated with the original sourceCd. There are some programs is one results set that are not in the other, and vice versa.
I'm trying to generate a list of that shows customer counts before and after for each program, some which may be null for one, but have counts for the other. I have tries creating 2 separating views and joining them but that doesn't work because it only returns the ones they have in common.
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Nov 20, 2015
I have to run this 3 times for similar but slightly different parameters. I only change the very top peice of code slightly each time:
1. Partition by Forename, Surname, DOB, Postcode
2. Partition by Forename, DOB, Postcode
3. Forename, Surname, DOB.
As you can see very subtle change, ideally I'd like to find a way to run just one report where all of the above occur, the issue I face running separately is one person may appear on 1 or more giving duplicates.
USE HealthBI_Views;this bit below is basically grouping my output on Forename, Surname, DOB & Postcode. What the whole process is trying to achieve is to show where a patient which has all of the above fields identical but has a different patient identifier suggesting that the service has allocated to unique identifiers to the same person which will result in both records needing to be merged.
WITH cte
AS (SELECT *,
COUNT(HEYNo) OVER (
PARTITION BY Forename, Surname,
DOB
[code]...
--- this bit below is simply showing all instances where the above criteria is met and there are more then one instances.WHERE countOfHeyNo > 1
--- The final output display all patient identifiable information from the MF_PATIENT table so that the report can be created in SSRS and run routinely by the Data Quality Team who can then investigate each occurance.
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Sep 22, 2015
create table #t1 (id int)
create table #t2 (id int)
insert into #t1 values (1)
insert into #t1 values (2)
insert into #t1 values (3)
insert into #t2 values (1)
insert into #t2 values (2)
Run the below quires, you will get 2 different outputs.Second is the desired output. I cant find reason for query1
-- Query1
select * from #t1 a left join #t2 b on a.id = b.id and b.id is null
-- Query1
select * from #t1 a left join #t2 b on a.id = b.id where b.id is null
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Jul 31, 2004
Hi
I am pretty new to database. I want to know the difference between the 2 queries given below
1>SELECT B.col4, A.col4 , A.col5, C.col5
from tbltpcheckout A with (nolock)
inner join tblTPEFTPayPal B with (nolock)
on A.col1 = B.col1
inner join tbltpuser C with (nolock)
on A.col3 = C.col3
where A.col2 = CONTP_CHECKOUT_STATUS_PENDING
2>SELECT B.col4, A.col4 , A.col5, C.col5
from tbltpcheckout A with (nolock) ,
tblTPEFTPayPal B with (nolock),
tbltpuser C with (nolock)
where
A.col1 = B.col1 and
A.col3 = B.col3 and
A.col2 = CONTP_CHECKOUT_STATUS_PENDING
If any one can help me in understanding the difference
Thanks
Murali
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Dec 2, 2007
Hello!
I have a query with multiple table joints and where clauses. Tables are huge and query runs for a very long time. I need to run another query, which is exactly the same apart for one Where clause (first time price = "P", second time price = "S"). I use this for BIRT report, which means I need to have a result of there two queries at the same time. I can run them at the same time, but because they are both huge it takes a Long time. I wonder if I can make only one query, will it be faster? And if it will- what’s the best way to make it?
Thank you for your help!
Please let me know if it is not clear.
Roughly my code:
Select * FROM sales_item d
join (select str_to_date('2007-09-30', '%Y-%m-%d') st_date) v
join item_store f on f.item_no=d.item_no and f.store_id = d.store_id
join item_sellprice_store a on f.item_no=a.item_no and f.store_id = a.store_id
join item b on f.item_no=b.item_no
join item_supplier c on b.item_no=c.item_no and b.supplier_no=c.supplier_no
join item_sellprice_storegroup g on a.batch_id=g.batch_id
join store k on f.store_id =k.store_id
where d.store_id = '011'
and (f.item_status ='A' or f.item_status ='O')
and a.price_type='P'
and a.effective_start_date < v.st_date < a.effective_end_date
and d.sale_date = v.st_date
order by d.category_code, a.sell_gst, a.item_no ;
And the second one is exactly the same apart from highlighted line (it’s a.price_type='S')
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May 26, 2007
I have a table that I am basically reduplicating a couple of times for each part of this database that I want to create.Each table basically has the same data: The tables will be called motherTable, fatherTable, sonTable, daughterTable and so on.I am pretty much using the following in each column: UserID, MotherID(or FatherID or SonID, etc., etc. and so on for each unique table), FirstName, LastName, MiddleName, BirthPlace, Photo, Age.I don't see an option to copy a table and just modify the second ID part and rename that table accordingly.How can I make this an easier way of creating these similar tables without retyping all these columns over and over again?Thanks in advance.
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Oct 24, 2007
Question is in the subject.
Thanks in advance
-Jamie
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Apr 10, 2008
Hey Gurus,
I have a problem on getting the sql statement which will group similar column name and sum their number together(another column).
A million thanks in advance.
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May 11, 2006
I have a function that uses the following statement in it
SELECT src_terrier.Areacode, src_terrier.siteref, src_terrier.estatename, src_terrier.Securitised, src_terrier.unitref, src_terrier.unittype,
src_terrier.unittype_count, src_terrier.tenantname, src_terrier.tenantstatus, src_terrier.tenantstatus_count, src_terrier.unitstatus,
src_terrier.unitstatus_count, src_terrier.floortotal, src_terrier.floortotocc, src_terrier.initialvacarea, src_terrier.initialvacnet, src_terrier.TotalRent,
src_terrier.NetRent, src_terrier.FinalRtLsincSC, src_terrier.ErvTot, src_terrier.tenancyterm, src_terrier.landact, src_terrier.datadate,
src_div_mgr.div_mgr, src_portfolio_mgr.portfolio_mgr, src_centre_list.propcat, src_tbl_rental.budgeted_net_rent,
src_tbl_rental.budgeted_occupancy
FROM src_terrier INNER JOIN
src_centre_list ON src_terrier.siteref = src_centre_list.Site_Ref AND src_terrier.Areacode = src_centre_list.Division INNER JOIN
src_div_mgr ON src_centre_list.Division = src_div_mgr.division INNER JOIN
src_portfolio_mgr ON src_centre_list.Portfolio_no = src_portfolio_mgr.portfolio_no LEFT OUTER JOIN
src_tbl_rental ON src_terrier.siteref = src_tbl_rental.site_ref
WHERE (src_terrier.datadate = @dt_src_date) AND
(src_terrier.Areacode = @chr_div) AND
(src_centre_list.Portfolio_no = @vch_portfolio_no) AND
(src_centre_list.propcat = @vch_prop_cat) AND
(src_tbl_rental.site_ref = src_terrier.siteref)
The problem I have is that the 'src_terrier.datadate' is passed through as mm/dd/yyyy (which I do actually want to change to dd/mm/yyyy as that is how the data is stored) however, the src_date within the table src_tbl_rental is only set to 01/mm/yyyy. When I put an inner join on the date element it obviously does not find it as the sample data I am using is as follows
src_terrier = 28/04/2006 and src_tbl_rental is 01/04/2006. Therefore if I pass the same parameter value through the dates are not the same and I get no data at all.
How can I specify that for the purposes of the src_tbl_rental element of the select query, that I only want it to match the mm/yyyy part of the src_date.
Therefore if some passes in
28/04.2006 it will get the records from the terrier table that match that date, and only the records from rental that match the 04/2006 part of the date.
Anybody confused by that , cause I am!
Regards
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Dec 13, 2004
Folks, i have to create four fields in every user table within my database:
CREATED_BY VARCHAR(25), CREATED_DATE [DATETIME], MODIFIED_BY VARCHAR(25), MODIFIED_DATE [DATETIME]
There are more than hundred tables, so i wanna automate this. i am tryin to do this in a cursor: please guide!
declare @name VARCHAR (50)
declare cur cursor
fast_forward
for select name from sysobjects where type='u' and status not like '-%'
open cur
WHILE (1=1)
BEGIN
FETCH NEXT
FROM cur
INTO @name
IF @@fetch_status = 0
BEGIN
ALTER TABLE @name
ADD created_by [VARCHAR] (25)
GO
ALTER TABLE @name
ADD created_by [VARCHAR] (25)
GO
ALTER TABLE @name
ADD created_date [DATETIME]
GO
ALTER TABLE @name
ADD modified_by [VARCHAR] (25)
GO
ALTER TABLE @name
ADD modified_date [DATETIME]
END
ELSE
BREAK
END
DEALLOCATE cur
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Howdy!
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finding is queries to find duplicate data.Basically I have a picklist table in a database and I have discovered that there are what looks like duplicate data (because the name is the same) but there is a different number on the end, as you can see from an example below.
NO, ENTRY
24, John Doe|26|05768
24, John Doe|26|5768
Do you know if there is a sql query that can be ran against this table that will look through the ENTRY column and select fields that are similar and not duplicates (duplicates can't exist due to PK constraints)
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Nov 20, 2012
I have the below in a table - TABLEA
Ref, Date, TIME, Code, Minutes
01117,2012-01-02, 541,BASIC,240.0
01117,2012-01-02, 541,BASIC,105.0
And I am trying to insert this into another table TABLEB but it wont allow as I am getting a duplicates error because of the unique Indexing on the table.
Ref,Date,Time,Code
Ideally if I could run a query on TABLEA so that it would merge and sum the minutes where REF,Date,TIME,CODE are the same.
i.e., the above would become
Ref , Date , TIME, Code, Minutes
01117,2012-01-02, 541,BASIC,345.0
Is this possible?
Another option that would work for me is the TIME column info isnt required to remain at 541.
If there was a count increment on the rows it would allow the import to rum.
ie if the above became
Ref, Date, TIME, Code, Minutes
01117,2012-01-02, 1,BASIC,240.0
01117,2012-01-02 ,2BASIC,105.0
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The first option is which I would prefer.
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employeeID
R_12345678
S_5555555
T_777777
U_7777
Our new data structure simply removed the letter & underscore.
employeeID
12345678
5555555
777777
7777
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- 2 Authorblabla
While it should show
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SELECT a.book_id, b.Name
from BOOK_SALES a
left outer join
(
select Book_id,is_primary,
STUFF((select ', ' + Name from BOOK_CONTRIBUTOR B where B.BOOK_ID = A.BOOK_ID
for xml path('')),1,1,'') Name
from BOOK_CONTRIBUTOR A
group by Book_id,IS_PRIMARY
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[URL] ....
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select *
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join information_schema.columns b
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May 26, 2007
I have a table that I am basically reduplicating a couple of times for each part of this database that I want to create.
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I am pretty much using the following in each column: UserID, MotherID(or FatherID or SonID, etc., etc. and so on for each unique table), FirstName, LastName, MiddleName, BirthPlace, Photo, Age.
I don't see an option to copy a table and just modify the second ID part and rename that table accordingly.
How can I make this an easier way of creating these similar tables without retyping all these columns over and over again?
Thanks in advance.
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