97 To 2003 Converted Database Size.
Mar 5, 2008
I have searched this site but could find no similar questions. SO..
I am converting an Access 97 database to Access 2003.
I have compacted the 97 database before doing anything else.
The size of the 97 database is 91Mb
I have gone into Access 2003 and performed a database utilities>convert database>To Access 2002-2003 format and it has produced an 03 database with a size of 68Mb
I have also created a blank 03 database and imported all objects from the 97 database, changed all the text/memo fields to Unicode Compression = Yes and compacted the new 03 database and the size is 90Mb
What is the Auto conversion process doing that I aren't doing when importing objects that saves it an extra 22Mb? Plus is there anything I can do to free up that extra 22Mb again?
Thanks. Dan.
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Nov 16, 2004
Is there a program that can convert an MS Access database to Visual Basic?
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Dec 5, 2014
I have converted desktop Access database to SQL server. A medium sized app with 24 tables, 60 or so forms/subforms and about 120 queries. I created 2 split files, one containing the tables, and the other containing forms, queries, vba modules. I migrated the tables to SQL server using SSMA, and built an odbc connection for my front end. It works, except it is painfully slow. Its cos most of the recordsets that drive my front end are query based. And in many instances the queries are comprised of queries, not just tables.
Should i be creating my queries on the SQL server? Is that what people do when using Access front end with SQL server back end? Do away with Access queries? Or does the problem lie elsewhere? How do i network optimise my Access FE / SQL server BE?
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Aug 29, 2005
Will keeping your field size shorter result in a smaller MDB file?
Or does Access only use as much space as there is real data in its fields.
Way back in the dBASE III days, dBASE would pad all your "real" information with as many spaces as necessary to fill up your field. I suspect that the MDB structure is probably smarter than that.
Another question on the same topic - I believe there is a maximum number of characters in a record (4000?). Can your field sizes add up to more than 4000, as long as the actual data, all combined, never totals 4000...?
Thanks............
..dc
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Sep 7, 2011
I'm trying to set up a simple query that links four tables. However, the tables are extremely large, all in excess of 1.5GB each so I had to split the tables up into four separate DBs. I've tried the following with no success:
1) Link the 4 tables in the DB which contains my primary key. This quickly inflates increases the file size above 2GB and won't let me go any further.
2) Build a remote query to connect the four tables. This looked promising until I tried to run the query and it became evident that it only knows to point to the last database source that you specified.
I'm running everything locally on my C drive. The data source are simple text files (1.6 million rows) from the FDA website.
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Jun 15, 2005
Hello friends,
I had converted a Access 97 database to Access XP. The original size of database was about 38 MB.Last week I worked with some queries of different types.Now the size is about 135 MB.How should I reduce the size of database again.I really also dont know whether it happened because of queries... :(
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Jul 13, 2005
I am pretty new to Access, so please bear with me :rolleyes:
We have a paradox v 3.1 database that I somehow converted into Access. At least the data was transfered and I can update it via a query.
What I am having a problem understanding is the difference between the main database file (in the object viewer appears as a db, with the the tables underneath. Am I correct to assume that all of the information is centralized into this db file?
I'm also having a problem changing the field lengths. I get a message "table "name" is a linked table with some properties that can't be modified."
I'm assuming this linkage came from paradox, because I didn't do a darn thing to it!! Any ideas on how to "unlink" would be greatly appreciated.
Thanks!
Linda
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Oct 17, 2005
Hey all,
I am not very gud in access, so I need your help. I am facing a strange problem..... I have created a database which consists of four tables....out of which two tables have relationships. When I make my database and create all the tables as described...its initial size is 320 KB around. When I put data in it, its size increases accordingly....I noticed a strange thing that when I entered some data in my Database it reached around 5MB, but when I deleted all the records from all the tables, the database size didn't decrease. It actually remained of the same size 5MB.......
Why so??? Don't you think that the database size should be decreased when I delete my records from all the tables. Is there any option which I need to select to decrease the database directly??? Well just FYI, I am using JAVA as front end .......
Regards,
Vikas Bhandari
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May 1, 2006
I am a novice to db design but I started my db quite a while ago but have only just noticed it keeps doubling in size periodically, even though I have not added many records or changed much. The first time I noticed this phenomena it was at 65Mb (already too big?), it then periodically (and randomly) doubled in size until it was about 480Mb!! I have been told that when db objects are deleted they are not actually deleted and this would explain the size explosions I saw. I have compacted and repaired the db and it now stands at a much more likely 11Mb. However, I really wanted to understand why this occurs so that i could prevent it from reoccuring (I have set my db to compact on close now - which seems to keep it small in size).
I have a whole load more questions aswell but you will see those in the near future!!
thanks in advance.
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Aug 22, 2006
Hi,
I have created two databases to try and speed up some data manipulation. One database is acting a a 'sniffer' and runs make table, delete, append and normal view queries. the append and make table queries will either write to the other database (the receiving database) or to itself. I have therefore managed to reduce a run time for these queries from 10 minutes for all queries, to less than 1 minute (as previously all in one database using forms).
The problem is these databses contain only about 10 tables to which I am adding data (non of them contain more than 5000 records at the moment) and I also have approx 50 ODBC linked tables (about 30 MB worth so I can retrieve data i want to write to the tables).
The databse has run through my 10 queries about 50 times (each time pasting new info to my receiving tables - still no more than 5000 records) however both database have increaed from a few MB to over 900MB - Is there any way I can stop this from happening as this seems to be a rediculous increase in size - i am also having huge problems compacting the databases.
thanks
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Aug 6, 2007
I know this topic has been floated around a bit, but I don't see any easy solution.
When developing a new projrct or editing an old one, the Front End size grow and can be compressed.
I was keeping an eye on it with this last new project. My front end code base got to about 12 megs compressed. I thought that wasn't too bad, until...
For shxts and grins, I created a brand new database and imported everything from the 12 meg one. This is a pain to get all the code references reset in the correct order. The resulting file size? About 5-6 megs.
Now why couldn't the repair and compression tool do that?
There is NO data stored. This is a code base front end only. I had the options set to compress on exit.
Does anyone else have this issue with ACCESS 2000 and XP? :confused:
Thanks
Dave
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Feb 26, 2013
I recently deleted about 2/3 of the records in my database and notice that my file size did not change. Do I have to run a special procedure to condensed my database?
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Nov 23, 2005
I have my database connected to a network of ten computers. I recently switched my linked tables from a Mapped Network Drive to using the actual UNC path \computerfolderdatabase.mdb
My users have started to notice it takes longer for the database to connect in order to log in. Once they have established the connection, the data transfer speed seems to be normal.
Is this to be expected? Any suggestions to speed things up for login? Or is this the downside to using UNC?
~Scott
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Sep 30, 2005
Hey guys,
Was wondering, what is the recommended maximum size for Access databases? I've heard that for very large databases that oracle is preferred. Would Access be appropriate for something on the scope of 5000 records of roughly 6 text and 2 number fields? Do people ever notice performance effects on databases of that size?
Also are there any ways to help reduce the size of the database? Do you recommend change the default field sizes where appropriate and would this have a noticeable effect on a database of this size? Any other suggestions to help keep the database manageable, and functioning?
I'm basically trying to figure out if there's much to worry about here, before I start importing my data. Thanks.
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Apr 5, 2008
I just got done migrating the tables in my database to a SQL server, I went in and deleted the extra table that was created with the migration manager so all the data in my database is on a SQL Server, For some reason the size of the database is still the same. Why is that?
I even when in and deleted the tables query and forms but the size is still the same, if there some setting that im missing?
Thanks.
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Jan 23, 2007
I had a massive Access file of almost a GB in size. and I deleted all records off the tables hoping it would shrink and my purpose was to have the tables alone in their structures. However despite deleting all records, the database file size seems to stay the same. anybody knows why this is so? I don't think we can "commit" changes to databases done in access as it is done in other databases. anybody knows why this is so?
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Oct 22, 2013
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Jul 14, 2006
Hi there
I want to know if anyone has taken a large database (e.g 400,000 records) and had to take a subsection of this so to reduce size. (E.g you randomly would like to take 20,000 records). I need to reduce a database size for a test situation but would like to know what I should consider when reducing the size in this way.
Do I take the base database structure – table organisation with fields linkages etc and load data in?
I have some help in this task but would like to know of any advice that could be provided.
Many thanks
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Aug 27, 2004
I have some databases that I am importing data into but the records are so large (over 4 to 6 million) that they are making the file reached the 2 gig maximum.
Questions:
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2) Currently, I have reports and queries that pull from one large table. So how would I set up the query reports etc. to pull from all three databases into one reports or query. Or is this not possible.
If you think of a better way to arrange or work around this problem then I am surely open to suggestions.
Thanks,
beachdude
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May 13, 2014
We have an Access 2010 database that is accessed by some users from another location. Each user has their own copy of the front end. For some reason two users in our Sydney office enter orders, but after they have entered and saved the order, sometimes for no apparent reason they get an "invalid argument" error message and all the data in the order has been converted to hieroglyphics. I cannot seem replicate this from my server location.
It seems to only occur from our Sydney based server. Could it be that each user's copy of the front end is located on the same virtual drive on our Melbourne based server? Should I move the Sydney user's copies of the front end to the Sydney based server?I think it might be the growing size of the database but I compacting doesn't reduce it by much.
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When I import the same txt file into a new table (created during import, where I also define those columns as text) everything goes fine, 0001 stays 0001, but I don't want to remove my table and redefine it during the import everytime I need to import new data.
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Thanks.
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Hi
I really need help with this. I have a database that is quite large and is accessed through VPN. When I shrink and compact the database it goes to a respectable size. But over time everytime a report is previewed the size of the database grows. Or every access it grows to double its size in no time at all.
Any ideas... on what would make it grow and how to stop it.
Thanks it is appreciated.
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