Modules & VBA :: Merge Identical Tables From Different Databases Into One Master Database
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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Aug 31, 2007
Hi all, i hope this is posted in the right place first of all :) apologies if not..
I have about 8 individual databases which will be used simultaneously by users. I wish to be able to have full control over these databases from a 'master database' including being able to delete the data in there (possibly import fresh data but not 100% needed) and export data to be analysed in Excel etc
I figure this can be done with access but if i'm on the totally wrong track i would be appreciative if someone could give me a push in the right direction..
If any more infomation is needed then let me know.
Thanks :)
Mikey
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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 21, 2014
I have one Master database and multiple child databases in a folder. Each of these databases (both Parent and Child) have identical table called "source". I need a VBA code which will consolidate tables of child database into the Parent database table.
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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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Sep 23, 2004
I have a query that is based on two other queries (they feed a larger query that a report uses). They are all select queries, no make-table, etc.
The query runs fine against the production oracle database. However when the query is run off of either of the two identical test databases (production was dumped into test within the last week), the query stops with an error of Invalid Operation.
The Help Screen (see below) doesn't seem to apply to anything this query is doing. Any thoughts?
Invalid operation. (Error 3219)
Possible causes:
You tried to write to a read-only property. See the Help topic for the property to determine whether it is read/write.
You tried to use a method or property on a type of Recordset object that the method or property does not apply to. See the Recordset object summary topic to determine which methods and properties apply to a given type of Recordset object.
You tried to append a property to a Properties collection of an object that does not support user-defined properties.
You tried to use the Update method on a read-only Recordset object.
Thanks,
B
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Sep 6, 2012
Friends own a book shoppe. They have closed up both their retail stores and are working on line only. A long time ago they bought a PC based program to keep their inventory and manage their on line sales. The program is called BookTrakker and still on sale today.
I called them to ask for assistance merging the access databases for but stores with their Master database. The owner sads they dont offer any assistance in combining databases.
I have had no trouble using the append command to combine the 40 odd tables in the database except for one small table called Keywords. This table only has 5 fields but the sallest has over 7,000 rows. This is one of the more important tables because Keywords are used by the search engines on-line for potential buyers find their interests.
The error message I get from Access is "Microsoft Outlook Access set 0 field(s) to nulll due to a type conversation failure, and it didn't add (number of rows in table) to the table due to key violations, 0 records due to lock violations, and 0 records due to validation rule violations"
The table structure is identical. The only difference is the data in the rows.
I tried removing both Primary Keys for both the tables (in and out). Nothing, same error message.
Next I tried appending the tables without the entire Keyword_id (Primary Key) field. Nothing same error message.
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Jul 4, 2013
I have broken up by master database, table, into several tables. They all share the same ID values since they came from the master table. So each table that I split off has a unique, matching, identifier, ID, in both the master table and the new table. Plus a previous matching identifier listed immediately below.
Example: Permit the master or main table and Builder a supporting table. There are five tables that I split off and all have an identifier similar to the two listed below.
Permit->ID
Permit->BLD
Builder->ID
Builder->BLD
All my tables have the same ID. But each table also has a identification numbers such as builder BLD, Subdivision SB and inspector INS>
Permit has the BLD, SB and INS
Builder has only one occurrence for each builder in the Permit table. As in the past it was identified by BLD number and now also ID. the use of BLD is from when I used visual dBase. The big difference here is that I have two ways to identify one is ID any other is by BLD, etc. My first thought is to identified by the BLD. I don't know why, but I guess I fear using a single "ID" to identify my various split off tables unique value or BLD.
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Dec 12, 2006
I have a large database of Purchase Orders
Orders can be placed by people in one of 4 departments
I would like to automatically make 4 separate databases (so each department can access their own) from the master
Is there a way to do this?
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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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Nov 12, 2006
I have a database with two tables, Buyer and Products, with one-to-many relationship. The key of Buyer is an autonumber ID, which is the foreign key to table Products.
The problem is that i have two copies of this database with different records (with ID starting from 1 to each one) and i want to merge the databases into one.
Any ideas how to do this without lose the connection of the records?
Thank you in advance.
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Mar 30, 2007
Hi,
How do I merge these two datbases? I have downloaded them from Microsoft online templates, here
http://office.microsoft.com/en-gb/templates/TC010178391033.aspx?CategoryID=CT101426031033&av=ZAC000
and here
http://office.microsoft.com/en-gb/templates/TC010185481033.aspx?CategoryID=CT101426031033&av=ZAC000
and I want to have the two databases as one so that there will be a fourth tab on the cintact management database with the order form on? I want to be able to link the two so I can have all the customers details and orders together and print off reports. I really have not dealt with Access before so I really dont have a clue. Any help would be truly appreciated. I am sure it is easy but I just cant work out how to do it.
Thanks very much
Danny :)
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Nov 21, 2007
Dear all
I need to merge a number of databases of the same type into one database in access. can you please help me with code itself.
thanks.
Ampah
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Sep 27, 2012
I have to coordinate a dbase in the US, one in the UK, and one in the KSA. I have multiple documents that may, or may not, be in each of the three dbases. I need to merge all three, and maintain them so that the document additions, as well as any changes associated with that document, (i.e. "revisions"), are updated. Having looked at access and having read through some of the Access forum questions, I understand that it can do that, but after having identified the information from the dbases that will go into access, I'm trying to establish a consistant process for maintaining and updating it. Can I export my information from each of the dbases, into an excel spreasheet, (1 for US, 1 for UK, and 1 for SA), and have the access dbase search for the document number, compare the data following the document number, and if it's the same ignore it, and if it's different, update it?
I'm trying to muddle through this and get access and excel to do as much of this as possible, as it's a very tedious and time consuming process to manually check each one, one or two times a week.
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Mar 25, 2014
I have two databases (files). Each file has a format like the one below.
File 1:
chr start end
chr1 1000 2000
chr2 3000 4000
File 2:
chr start end
chr1 1500 3000
chr2 3750 4000
I want to be able to merge the two records together if the field chr matches between the two files plus if there is an overlap between the start number and end number from each file. For instance the first record from each file would match because the range from 1000 to 2000 of file 1 has numbers consisting of 500 numbers (1500-2000) that are also present and overlap in file 2 (1500-3000). I possibly cannot use < or > since the ranges from each file will vary to different degrees. Perhaps there is a between function that might work...
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Feb 27, 2014
We are a non-profit that does blind mailings for our membership drive.
The company who we buy names and addresses from sends us a delimited file that has these fields as the headings
" ID, FULLNAME,COMPANY, ADR1, ADR2, CITY, STATE, ZIP, FIPS"
Once they send out the mailings, people then send in back a remit slip with a contribution that gets scanned through a program that creates a file that gives us these titles
"ALT ID, AMOUNT PAID, RUN DATE, TENDER, FUND, PURPOSE, SOLICITATION, MEMBERSHIP QUESTION, MEMBER TYPE, CONSTITUENT TYPE, SEGMENT". The "ALT ID" and "ID" are the same in both tables.
I need to find a way to merge the tables and combine the fields that have the same ID # , and then have it create a csv file that reads like this (see below) for only the files of the people that responded so that I can import it into our membership software.
"Alt ID","Title","First Name","Middle Name","Last Name","Suffix","Address1","City","State","ZIP","ct y_code","Amount Paid","Run Date","Tender","Fund","Purpose","Solicitation","Me mbership Question","Member Type","Constituent Type","Segment"
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Jun 19, 2014
I have the following code which errors on line
Code : .OpenDataSource Name:=CurrentProject.FullName, SQLStatement:="SELECT * FROM [qryMailMerge]"
The error (Error has occurred: The database has been placed in a state by user 'Admin' on machine 'W74XXXXXX' that prevents it from being opened or locked) appears in the Word document.
Code:
Public Sub CreateWordToPDF(strWordFile As String, strPDFFile As String, strSQL As String)
'Call CreateWordToPDF("C:Doc1.doc", "C:Doc1.pdf", "SELECT * FROM [qryMailMerge]")
Dim objWord As Word.Application
Dim docWord As Word.Document
'Open MS Word using early binding.
Set objWord = New Word.Application
Set docWord = objWord.Documents.Open(strWordFile)
[Code]......
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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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Sep 18, 2006
I have an Access DB built that links to an excel spreadsheet. The spreadsheet changes so I cannot import and have to link.
Now the source of my spreadsheets is producing two spreadsheets with identical fields but different data. I need to combine the data from these two spreadsheets. Can I link them both and combine them in a query? How?
Appreciate any advise.
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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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Feb 20, 2006
Hi All,
Being a newb, have a hopefully straightforward question. I'm writing a vehicle management database which covers eleven seperate areas. The data is currently contained in a spreadsheet with eleven seperate data sheets, one for each area. My thinking is I use linked tables as the spreadsheet needs to be occasionally updated.
My difficulty...
If I want to cycle through all records, I assumed I could query against all tables but don't seem to be able to.
The tables are not currently linked in any way and contain fields such as registration, emissions, list price, make and model and so on.
Any suggestions would be greatly appreciated.
Many Thanks
Q :)
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Apr 10, 2014
I have multiple databases (one for each department). All 4 databases have an Agents table (tblAgents). Now I am creating another database that uses all of the agents on site. What I want to do is link all the agents tables and combine the values in one query.
Fields are:
UserID (PK)
AgentName
BadgeNumber (Employee Number)
Campaign (Department)
Coach (Supervisor)
HireDate
Status (Active / Leave of absense / Terminated)
The tables are linked to my new database. So logically, I'd think my next step is to query the tables. This is where I'm stuck. How do I say:
Agent = tblAgentsDepartment1.AgentName and also tblAgentsDepartment2.AgentName and also tblAgentsDepartment3.AgentName and also tblAgentsDepartment4.AgentName?
I'll have to do this for each field involved...
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Aug 22, 2014
The problem I'm having is that i need to combine 12 tables with multiple columns and not all columns have the same headers. So if a column is present it should be updated, if not it should be added.
The end result should be one column with all records and all columns that exists in all 12 tables.
The tables have an identifier that is the same for all columns (supplier reference).
Table 1 has 56 columns
Table 2 has 42 columns (of which some have the same header)
....
(--doing every column manually is something i would like to avoid if possible --)
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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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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 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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