Modules & VBA :: Archiving Data - Table Structures Are Identical
Jul 26, 2013
I'm trying to create an archiving routine as my database is becoming very large. For about 10 tables I want to shift certain records to an external database which would have the required 10 tables with the same table names and structure.
So far so good. I now want to automate everything using vba. I can see how to use the INSERT INTO statement but I don't want to have to name every field as there are hundreds. I just can't see how to do this.
If the table structures are identical how do I neatly shift a bunch of records from one to the other using code.
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Sep 24, 2012
Have 2 tables:
...TableA: 1 indexed field "Name" and many data fields in ~ 1000 records
...TableB: 1 indexed field "Name" and 2 data fields (DataB1 and DataB2) in about
~ 50 records
Tables currently have NO relationship set.
Want to add TableB data fields to TableA if Name are identical.
DataB1 and DataB2 fields are Not currently in TableA but could be added very easily.
Update (or whatever) will be done weekly where all previous data for DataB1 and DataB2 will be cleared from TableA before job is run.
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Jul 30, 2006
I need help with my table structures. Attached is a Access 97 sample of my existing tables.
Questions
1) I need a new table that shows which BankRepID’s are assigned to each ClientID. Currently the relationship between the Banks and their BankReps is normalized.
But every time I create a table to assign BankReps to Clients I have noticed it becomes possible for the user to assign BankReps to Banks where they do not work.
How do I prevent this through normalization?
2) Because one Client can have many banks and one bank can have many clients I created a many to many relationship. Is this correct?
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Jun 12, 2006
Hi everyone. Over the last couple months, this site has been a real lifesaver for me, just reading about similar problems to mine. This new problem, however, I have no idea how to search for.
I have a table in the following layout:
ID, FieldName, Value
10001, ID, 10001
10001, FIRSTNAME, Jonathan
10001, SURNAME, Reid
10001, ADDRESS, 10 Abbotsford Road
I need to be able to flip it around to be in the following layout
ID, FIRSTNAME, SURNAME, ADDRESS
10001, JONATHAN, REID, 10 Abbotsford Rd
The table is about 30 fields wide and about 450 records long, therefore I cannot do it manually.
I'd appreciate any help
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Apr 4, 2008
I've spent most of the afternoon trying to find an answer to my question so please forgive me if I just didn't have the right keywords to find it via search.
I have several clients that use my database which is split into two parts, one of which is the data back end. At times I release upgrades to the whole package and must currently go through the process of having them get me the BE file and I manually make changes to tables and update data.
What I was hoping to do was create a seperate database that could link to the BE file, check for structure items and if they are missing add them. For instance if I have a new field I want to add to a table it will look for it, add it, and then if necessary add data. This way I could have one master file that I could send my clients and have them run it and not have to worry about the timing issues of transfering files back and forth.
Any guidance would be great. Not necessarily needing lengthy examples that would take a lot of your time to type out, simply want to know if it's possible and the basics that I can research and read up on.
Thank you in advance for your time! :)
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Jul 24, 2006
Hi all,
currently on my db it stores data on various projects, and these projects are sorted by a status of on hold, on going, or finished. What im trying do is move only the projects that are finished but still keeping a record of them so we can view them in the future.
i was thinking maybe i could move the finished projects into another db? but not sure how to do, or is there a better way to achieve this?
thank you
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Jun 27, 2005
Hi, I have a form which is made up for 3 tables and I am trying to create an append query for each one in order to keep records of data before it is updated. The append queries seem to work but they append all data rather than just one selected record. I know I will next need to create a macro which can be used each time a record has been updated and a copy is sent to the archive. Can anyone help me with this, or have any useful suggestions?
Thanks.
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Jun 24, 2013
I have a database with employees. The tables are as follows:
Deptdatatble
Depttble
Emptble
HRtble
Servicetble
Servicedatatble
Archivetble
Classestble
Classdatatble
At certain times, I want to archive employees out (lets say they are terminated). When I do this, something strange happens. If an employee has 4 records in the servicedata table and 4 records in the Classdata table, then it exports out 16 records (4 x 4). I would expect it to export out 8 records.
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Dec 4, 2012
I'm trying to create an archiving system, where i use a simple Append Query followed by a Delete Query.
A typical criteria for the Append Query is less than Date()-30...so any records older than 30 days can be appended to an archive table. This works fine when i enter it in the Query Design criteria row.
But, I would like to make this user-defined. I have set up an unbound form as shown in the first attachment...and made a global variable entitled 'ArchiveDays'. I am hoping to use the variable to act as the criteria for the append criteria. (Please note that in the screendump...they can select an option button if they just want to stick to 1 month old. I also show you my assignment operations there).
My question is... how do i get the variable 'ArchiveDays' value to be the criteria for my append query....
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Apr 30, 2015
Will archiving older data improve response time of a database?
What is the best way to archive data knowing that older records will still be accessed twice a year?
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Sep 7, 2013
Attached you will find an example with the problem.
The query is only searching identical data between both tables.
I want it to show results from all users, with all the devices each user has.
What am I doing wrong with the query?
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Nov 25, 2014
I have a question regarding making a query with joint data that are not identical, as I'm not sure whether it's possible.
I have to look at certain serum levels at te start of a new medication regimen, and serum levels after 5 years.
I have one database with:
Patient number
Start date medication
Start date medication + 5 years
And one database with:Patient number
Date of blood test
Serum level molecule A
Serum level molecule B
What I want to do is make a query where the patient numbers are joined. The problem is that the "start date of the medication" and the "start date + 5 years" are not identical to the dates of the blood tests. E.g.: I have a patient that started medication on 01/March/2006, but he has had blood tests done every 3 months from 28/November/2003 till now, and not on 01/March/2006.
I would need the results of the blood tests (of molecule A and B) at the start of the medication and after 5 years, but if the test date differs by a day, Access already sees they're not identical.
I would like to have access select a blood test date that is as close to the medication start date as possible, within a time frame of e.g. +3 and -3 months. Is this at all possible?
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Jul 23, 2012
How do i archive Ms Access 2007 table records with specific date?
Any easy way to do it without writing any macros?
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Jul 20, 2007
Hello,
I have searched the forum and have found a lot of information however I am not sure just exactly what I am looking for.
Here is my situation.
It is a spilt DB.
I have a database with a form and a subform. The Primary Key in the form is unique to company A ie ID=CompanyA-1, CompanyA-2, and so on. There is a one to many relationship to the subform.
I have three of these databases in use, all identical execpt the Primary Keys. one is CompanyA, the others are CompanyB and CompanyC.
At the end of the month I want all companies, A,B,&C to send me their Backends so I can bring them all together into one database. The master database I want to bring all three backends into has the same Front End as the other three databases.
My question is what is the best way to bring all of the data together in one database so I can use the common front end to view it.
I am assuming that since the PK for each database is different they should all cometogether without much of a problem? If I can figure out how to merge them.
Thanks!
Fen How
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Jul 4, 2013
I have a database that was created by a colleague. They have created a form for adding client records onto the database.This is done via a button that, when pressed, checks mandatory fields for correct entries and then saves the record.However, when we do this, it is creating two identical records on the database.
She cannot see what she has done wrong in the code, and I know next to nothing about coding,
Code:
Private Sub CmdAdd_Click()
Dim dbAddClient As DAO.Database
Dim rstAddClient As DAO.Recordset
Set dbAddClient = CurrentDb
Set rstAddClient = dbAddClient.OpenRecordset("ClientInfo")
[code]...
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Jan 20, 2015
I have started working on an existing MS access application (Front-end & Back-end) built with VBA. The frontend linked to a back-end access database which contains only tables. Because of the nature of the work involving vehicles. Each user has their own copy of identical databases with their individual data stored in backend.
Right now we just copy each back-end database via ftp and store it as usr_backenddb_date.accdb Back end databases contain around 16 tables with most of them containing a autonumber field as a primary key. Further tables are connected with each other referencing the primary key as a foreign key .
I would like ideally create a function in vba that lets me select the database and merge all the data from that database to a identical central database. For the initial part, I am thinking of combining each individual table in each database and changing the autonumber field with SQL with possibly trying to cascade the change so the refrences remain intact.
Constant Access to one back end db via internet (or server) is not really possible as the users are able to connect to internet (network) only few times a day. There are over 100 backends (for each vehicle) with over 1000 records in each.
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Jan 13, 2006
A SELECT works:
SELECT *
from mastertable
INNER JOIN secondarytable
ON mastertable.Identicalfield = secondarytable.Identicalfield
But none of these do:
DELETE
FROM mastertable
INNER JOIN secondarytable
ON mastertable.Identicalfield = secondarytable.Identicalfield
**Incorrect syntax near the keyword 'INNER'.**
DELETE
FROM mastertable JOIN secondarytable
ON (mastertable.Identicalfield = secondarytable.Identicalfield)
**Incorrect syntax near the keyword 'JOIN'.**
DELETE
FROM mastertable
WHERE (mastertable.Identicalfield = secondarytable.Identicalfield)
**The column prefix 'secondarytable' does not match with a table name or alias name used in the query.**
DELETE
FROM mastertable
WHERE IN (SELECT *
FROM secondarytable)
**Incorrect syntax near the keyword 'IN'.**
Can anyone help? This should be easy, shouldn't it?!
Thank you.
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Mar 4, 2014
I have database for each location. Every location will update some information in the databases and send it back to me. In those location based databases, information will be stored in one table called "consolidate_input". I will store these databases in one specific directory and then I want to accommodate the data of "consolidate_input" into one master database having the same identical table in the database.
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Dec 10, 2013
I have two identical Access tables, for example tblDataYesterday and tblDataToday. The data from tblDataToday has updated data changes in it that are different from tblDataYesterday. I have a maximum of 100 fields to review. I want to compare the two tables and display in a query the differences between the data from both tables.
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Nov 5, 2013
I want to be able to store 2 identical fields on the same table in the database. The copy will start off being the same as that input in the original field. 90% of the time the 2 fields will always be identical but the copy may be changed at a later stage. I looked into using the copy as a calculated field but found out these can not be updated. Is there another control I can use or do I have to code the population of the 2nd field specifically (in AFTER UPDATE EVENT?) myself. The added complication is that the original and copy must be selected from a combo box as all values are held in a separate table.
Also trying to make the second field = to the first field in the design stage of the table using default value
SO if I put default value = [table].[fieldname] I get an error stating could not find field 'table].[fieldname', and yes the opening and closing square brackets are missing from the error.
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Aug 4, 2005
A few years ago I upgraded a little software package that I had written to Access 97, without updating some of the old-fashioned methods and structures (eg. it still uses things like : Set workdynaset = db.Createdynaset("Client") ).
Due to problems that some potential customers have had loading the A97 runtime version of this software onto PCs with Access 2000 or Access 2000 runtimes, I have been trying to upgrade to an Access 2000 runtime version.
I have read all the various threads on DAO stuff and the need to select the appropriate references on the Tools menu.
My question is this. If I select " Microsoft DAO 3.6 Object Library ", will the VBA code compile without my having to convert all of the dynaset-type code to a more modern form ?
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Mar 13, 2013
I have an access application that I've developed and given to people and now i'd like to update it. I have a "master" database that I use for development and I would like to compare the users databases to this one and apply any changes that I've made to the database schema without having to remember all the new fields, tables and everything else I've added.
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Dec 3, 2012
I have 2 identical database in terms of structure but it differs in data.
Basically I would like to import data from subDatabase to mainDatabase and ensuring that there are no duplicate records.
I have used the "link to datasource method" through importing the tables to have the "updating" function.
However, this method also means that the records in mainDatabase are also imported over to subDatabase which I do not want.
Is there a method to ensure that the records are shared/update one way only? (i.e. import from subDatabase to mainDatabase and not main to sub?)
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Dec 4, 2014
There are two tabs named Table1 and Table2. In actual there are two tables in Access database named Table1 and Table2. How the data is stored in ACcess tables, I have made two tabs in excel workbook. Now I want Access VBA code that will check if data in Reference field of Table1 matches with any of the data in Reference field of Table2.
If it matches then change the status of the corresponding record of Table2 with either "Withdrawn","Obsolete" or "Updated". SO it depends upon which field out of "WIthdrawn","Obsolete" and "Updated" in Table1 stores "Y". At a time only one of them will have "Y" and rest of two fields will have "N" as shown in the sheets.
As in the example, now Reference "R566" of Table1 matches with Table2 Reference so the status field in Table2 for that record will be "WithDrawn".
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Jul 8, 2013
I need to combine two tables that have identical structure to one table. Different people have used them to insert data from different parts of our project. I have tried to find information about how to do this but so far with little luck.
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Aug 5, 2014
I am using Excel/VBA as a frontend and Access backend. The sheet2 stores the queue name and Queue number. We have to update the sheet1 from column L to column O by looking for the values from the Access table for the date selected from the comboboxes. Now In sheet 2 , it says Queue number and in actual in access table it is the combination of Type & Type1 & Type2. So we have to look for Type & Type1 & Type2 in the table and find out total Batches ,Total Envelopes,Total documents and total pages and then store the values in the ExcelSheet1 from column L to column O.
The following formulas will be used in the select statment:
Total Batches = count(BatchNo) for date selected
Total Envelopes=sum(Envelopes) for date selected
Total Documents=sum(Cases) for date selected
Total Pages=sum(Pages) for date selected
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