How To Compare Records

Feb 6, 2004

Hello Ladies and Gentlemen,

My Access-table contains a Destination and Time field, i want to compare records for Time field with next records of same field.How can I do it..? Let me tell u an exp..
Time field is having a record like 06:23:45 AM for the destination - 'A', so i want to get all the records where the difference is upto 5 Seconds (i.e - 06:23:50 AM) and the Destination is same. It might be possible that there are one more records having time value 06:23:55 AM.

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Sep 1, 2005

Hi
I'm using MS Office 2000, I have an Access database table that contain many fields, namely I need to update FieldA from an Excel Spreadsheet according to the specified primary key of CustomerID. Is there a way to write automate process to import the records from an excel spreadsheet and then place those records in FieldA of the Access Database according to the corresponding CustomerID? The reason I ask is that these two fields are not exactly in the right order in my spreadsheet and my table and to do it manually will take lots of effort.

Your prompt response is greatly appreciated

Thanks

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Jan 28, 2008

Not even sure where to start so if this isn't a query question, please point me in the right direction.

I work in a plant that has a number of cranes. Each crane should be inspected each shift (three shifts per day), each day (less Sunday).

I have exactly what I need to capture the inspections being done. Inspections are identified by crane #, shift, and date.

How do I determine if an inspection hasn't been done? How do I compare the inspections that have been entered against the standard of inspections for each crane, each shift, each day?

I am below average with Access on my best day so please type slowly and be specific. Thanks for any help you can give.

Forrest

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Jun 11, 2013

I have a table that contains the following fields: ID (autonumber), Item, billing date(mmm/yyyy), count, and approved.

My first query returns records where the approved field is null. My second query returns returns all records for 2 months ago where the approved field is not null.

This is my problem, I need to pull records that have NOT been approved for the prior month BUT if they were approved 2 months ago AND the count is the same, it does not need to be returned in the query. Also, if it was approved 2 months ago but the count is different than what it is for 1 month ago, it needs to show in the query.

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Jan 5, 2014

So I have a table:

table1: company_name, year_month, company_rating, rating_change

For each company, I would like to compare the rating from 201201 and 201202 (and keep going for each month) and if there's a change in the rating, update rating_change to the difference in rating values.

The company_rating is a value from 1 to 20.

How should I go about doing that?

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Jul 18, 2013

I have a table called tblAuthorizations. It appears as follows

AuthInstanceID....ConsumerID....AuthNumberID....Au thStart....AuthEnd....PSRUnits....BSTUnits
1374006036.........356679..........20255102....... ...4/22/13......7/21/13.....0..............416
-432536491.........356679...........20255102....... ...1/21/13.......4/21/13....104..........416
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504564357...........469432..........20254788...... ....4/22/13......7/21/13....0..............520
282523535...........469432..........20254788...... ....1/21/13.......4/21/13....0.............520

I work in mental health, and when we put in a request for a consumer to receive PSR & BST services, we put the above information into our database. Each record identifies which consumer the authorization is for, a start date and end date for them to receive services, and the amount of two types of services (PSR and BST). When one period ends, we request another period, such as in the first three records above, and then the final 2 for another consumer.

What I need to be able to tell is how their service authorizations change. For instance, if I were to compare the first and second records, it would tell me that PSRunits decreased 4/22/13-7/21/13 from 1/21/13-4/21/13 levels.

I have a query that displays the records for each consumer for the current period, but I can't figure out how to identify the previous period's number of PSRUnits or BSTUnits.I've tried adding the following fields, but this isn't working.

PrevEnd: (Select Max(AuthEnd) from tblAuthorizations Where AuthEnd < Auths.[AuthStart])
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Feb 28, 2014

I have created a mock employee database to work out kinks before I create the real one. One table has employee info (employeeID, name, address, email, phone numbers, etc.). The other table has "employee actions" with fields: employeeID, actiontype, salary, jobtype, jobtitle, jobhours, bonus, actiondate. Actiontypes are "hire", "salary change", "bonus", "leave". It is a little more complicated but that is irrelevant to my query question...

I created a query to show employee salary changes, amount and action date. I want to create a calculated field that shows the dollar change and percentage change from last salary to new salary. So the query involves multiple records or rows, which seems to be a black hole in terms of information on how to do this. If it were Excel, I would just do a quick nested function calculation and be done with it but with Access, where each record is independent of the others, how to calculate it. I know there must be a way to do this because otherwise, what good would an employee database be?

So the questions are: (1) can you do calculations (other than totals or counts) using multiple records/rows? and (2) if so, how do I do it? It seems I would have to do a a specific sort and it would not be easily updatable.

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Aug 9, 2011

I am trying to create a query based on a transaction table which compares the time between two types of transactions.

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each pair of A and D records would be matched on o_time and idnum fields, and I would want to pull each pair and us the datediff function on c_time, using records marked with A as the initial time and records marked with D as the followup time.

Is there any way to accomplish this in a single query or do I need to create two subqueries?

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Jan 9, 2014

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May 1, 2014

I am building a tracking database where we would be able to track information which field are null data and report them to our Administration to fill the null data. For this I have created a form name "Search" and I have a combo box control on that form which is bound to "Table = employee" and its ROW SOURCE TYPE="Field List", I would like to able to query records where the selected value in this combo box is null through out the table.

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May 9, 2007

Is there some free software somewhere to allow me to compare the vba in two differnat access dbs highlighting the differances??


THanks

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Dec 21, 2006

Hi All:

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Thank you

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Apr 26, 2007

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Jan 4, 2007

Hi, all.

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Thank You in advance

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Hi there!
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www.joaobeca.co.uk

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I have a table that shows Part Numbers. Each part number can be listed multiple times depending on how man Build ID's it is associated to.
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Hope all of this makes sense.

Thanks!

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Feb 8, 2006

Hi,

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thx

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Mar 5, 2007

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Situation:

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Jul 10, 2007

Hello,
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Regards,
Anyi

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May 1, 2008

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Jul 12, 2005

Hello all
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Dec 21, 2004

Is there a tool that is not to expensive that can be used to compare access databases for differences.

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May 5, 2005

hello, i have checked out the forum for pevious Q's to this problem and found the below.

http://www.access-programmers.co.uk/forums/showthread.php?t=80692&highlight=compare+tables

only problem is thats its writen at a bit too technicle a level from where i am. i've done some investigation into the problem though.

found out i need to use the docmd.transferdatabase function to import the tables i need to compare into my current db.

my question is this. how does it import them, does it create new tables within the current db or is it put somewhere in temp memory for use only while db is open, not sure how it would work. ideally i would like it to import tables, do the table comparison then create a report of the differences or make a new table showing the differences, then it reverts back to how it was before i imported it. i.e. he current databse is unchanged except for maybe a new report or new table (the results).

thank you for any advice.

Neil

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Oct 3, 2006

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