Find Intersection Of Two Queries
Jun 12, 2014I would like to find the intersection of two queries. Is the SQL keyword INTERSECT supported in Access?
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Help With Intersection Tables
Dec 17, 2007Hi-
I am developing a database for my company and I am having a hard time setting it up correctly. Basically, there will be a user who logs in to complete reviews about employees who are on a project.
I have a form which has a listbox. The listbox loads all the projects the employee is assigned to. There will be ONE review per employee per project they are assigned. Right now, when the user dbl clicks the project listed in the box, it will load the evaluation form. Now, this is what I want to happen. I want the user to dbl click the listbox. When this happens, I want it to check if there is a review already completed. If there is, then load that record into the evaluation form. If there is not a review, I want it to prompt the user to complete one. "Do you wish to create a new review?" (Yes/No) If yes, load a blank evaluation form, create a new record in the Review table to be filled out.
I can handle the VBA code for most of the form stuff, however I am having a hard time arranging my tables correctly. I have attached my current relationships.
Any help would be greatly appreciated or suggestion for approach. If you need more information, please let me know. Thank you so much.
S
Recordset Intersection In Access
May 14, 2007I'm trying to find the intersection of recordsets that result from two SELECT queries, but (to the best of my meager knowledge) Access doesn't support the INTERSECT clause.
Are there alternative ways to perform this operation in a single query? I read a few posts that suggested LEFT JOIN, but I am not sure about how to combine a left join w/ the inner joins I am using to retrieve my data.
My SQL statement would read as follows if Access supported INTERSECT:
~~~~
SELECT * FROM
(Table1 INNER JOIN Table2 On Table1.A = Table2.B)
INNER JOIN Table3 ON Table2.C = Table3.D
WHERE (Table1.X = True) AND (Table3.Y = True)
INTERSECT
SELECT * FROM
(Table1 INNER JOIN Table2 On Table1.A = Table2.B)
INNER JOIN Table3 ON Table2.E = Table3.D
WHERE (Table1.X = True) AND (Table3.Y = True)
~~~~
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Aug 1, 2014I have been working on a simple data base for some time now (beginner level) and am still trying to improve it. I would like to do something but before that I would like to have your opinion to know if it is even possible?I have a query QryMainReport:
Start Date/Time
End Date/Time
Employee
At the moment this is what the format of my report looks like (I removed other unnecessary fields):
StartTime----------EndTime---------------Employee
12/06/2014 01:00--12/06/2014 03:00------John Smith
12/06/2014 04:00--12/06/2014 06:00------Jane Doe
13/06/2014 02:00--13/06/2014 05:00------John Smith
13/06/2014 08:00--13/06/2014 08:00------Jane Doe
I would like to do as a report. (Dates would always be from Sunday to Saturday). I am not sure it is possible to do that. I suppose first it would mean:I would have to do a query to separate the times from the dates?I would have to find a way for Access to find the unique dates and unique names?Does it mean I have to use cross tab queries?
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May 10, 2005Ok this might be a really stupid question, but in the quest to always make my life a little bit easier thought i would ask !
I have been asked to find the relationship between a number of tables and queries, so that this company can find out which tables and fields in tables are no longer really used, in other words how many queries and which ones is table A used in if you understand what I mean !
doing it manually means checking every query (and there are a lot !!) and seeing which table they use.. what I want to know is what is the quickest way to to this? can I do it from the table end? in others find out how many queries Table A is used in ? or do I have to go through each query individually? if this is the case my thoughts were just on copying and pasting the sql view from every query into a a word or txt doc and then doing a search /find for each table name? but if anyone has a more efficient idea on how to do this if u cld let me know !! :confused:
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I keep seeing 'range' mentioned but I have yet to see any examples of evaluating a series of data like 'col1;col2;col3' or anything remotely similar.
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User2 01/01/13 £10
User1 10/01/13 £0.00
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How do I do that? I can find all dates where was a date was on both tables, but how to find where its on one but not the other
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Property Info:
PropertyID
Address
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SELECT *
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Total: Where
Criteria: In (12,22,24)
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What I did was:
1. Read tbCOMPANY each row using for loop
2. tbCOMPANY.FindFirst to lookup if values exists in the tbRESULT
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Its been taking like over 30 minutes to process this and still ongoing and it will still keep on running. Now Access is showing as Not Responding in the task manager.., Any efficient way to do this?
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However I am struggling right now on something that shouldn't be too hard... I could do it immediately in Excel if there werent millions of rows..I have 2 tables. Table 1 regards a list of patent publication numbers (eg. WO2012024604A3) and additional data (publication date, title, etc), only the publication number matters for me now.
Code:
Table 1
publication numberWO2011085209A2
WO2011100754A1
WO2011112983A3
EP2342192A4
EP2342192A2
EP2205725A2
EP2205725A4
WO2012006540A3
WO2010008486A3
WO2012083136A1
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Code:
Table 2
Publication Number Citing PatentsPublication Date Cited Refs - Patent
AU2001287375B2 1998-12-01 US5178882A | US4225581A | WO1998001161A2
AU2001288365B2 1990-02-24 US5967154A | WO1996039117A2 | US3699979A | US3943949A | US3838702A
AU2001288437B2 1999-03-09 US6087157A
[code]....
Now what I'd like to do is to create a third table which has for each of [Table 1].[Publication number]:
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For Column 2 I had expected it to be an easy count(iif( [Table 2].[Cited Refs - Patent] = "*"&[Table 1].[publication number]&"*")) command but apparently it's harder than that..
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Both tables have structure
TRAINEEID
MODCODE
CountOfUnits
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Code:
SELECT
[T-temp-Target].TRAINEEID,
[T-temp-Target].MODCODE,
[T-temp-Actual].MODCODE
FROM [T-temp-Actual] INNER JOIN [T-temp-Target] ON
([T-temp-Actual].TRAINEEID = [T-temp-Target].TRAINEEID) AND
([T-temp-Actual].MODCODE = [T-temp-Target].MODCODE)
WHERE ((([T-temp-Actual].MODCODE) Is Null));
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MaintItem ------MIC------ MIC1 ------ MIC2
5100634036 50000173 50000173
5100662790 50000174 50000174
5100662734 50000145 50000145 50000180
5100662734 50000180 50000145 50000180
5100161086 500001711 50000173
So bottom line I need a query which will display only the row below as MIC doesn't exist in neither MIC1 nore MIC2. Also I will have to deal with much more MICs soon so maybe there is a way to concatenate them and compare, isn't it? 5100161086 500001711 50000173
Attached query is what I got so far, but that displays last 3 rows of table above
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