Is There A Maximum Size Of A Recordset?
Feb 4, 2006
Hi!
I have a database with a lot of chemical data. My ASP page allows the user to search out all data from a specific location during a specific time period. It then creates a normal html table with the results.
The problem is when I have a large time period and a lot of parameters. For example: data from location 1, 1959 to 2005 returns a HTTP 500 error. When using "on error resume" only the code and data from the last three years are printed (all html tags etc missing from the beginning of the page).
When I choose the period 1959-2002 it works, and also if I use 1970-2005 (which shows that it's not corrupt data in the 2003 year).
My question is: is there a size limit for a recordset? If so, how do I solve this? If not, what could be my problem? Size limit of html pages?
Thanks
Martin
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Oct 3, 2006
We have a database in Access 97 which is 0.8GB.
Can anyone tell me:
a) The maximum storage capacity.
b) What will happen when it reaches that size!
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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:
1) I have the imput tables broken down in to thirds of a month (i.e. Day 1 to Day 10, Day 11 to Day 20, Day 21 to Day 31) so what I was thinking is that there might be a way to just like three different databases together or four and have one be the master puller of the other three?
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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Aug 14, 2014
My end goal is to populate a pre-existing table in an MS Word document with records from a query. The easiest way I've found (through scouring the internet) is to start with the code below (ran during OnClick() even in Access) to get the table the same size as the recordset:
Code:
Dim wDoc As Word.Document
Dim wTable As Word.Table
Dim wCell As Word.Cell
Set wDoc = appWord.Documents.Add(strDocLoc)
wDoc.Visible = True
[Code] ....
The code will shrink the table down just fine if the table has more rows than the recordset +1 (for header column). My hangup with this is the last line ("Selection.InsertRowsBelow 5") isn't executing; rows are not being added to the table. I get no errors -- it just does nothing. I set it as "Selection.InsertRowsBelow 5" arbitrarily just to see if it would even add rows, and sure enough it's not.
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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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Aug 14, 2015
Special situation: The SQL Server Linked Server across the country is linked to a Read Only Oracle DB. This data pull works perfectly and populates the Subform.
The problem is that Oracle can take 3 to 6 seconds to retrieve the single record depending on the network traffic through a small pipe.
The code below shows the RecordSource for the SubForm. clicking on a list box supplies the value. Then 3 to 6 seconds later, the subform populates.
The actual Recordset for this Recordsource is needed to conduct Validation on each field. Normally this would be on SQL Server, I might just create a Recordset Oject and run this SQL statement again in 1 milisecond. In this case, it will probably take an additional 3 to 6 seconds. Avoiding another lengthy round-trip to Oracle would be prefered.
Goal: How does one grab, clone, or other wise reference the existing recordset for the SubForm?
Note: Immediate Window - One single field can be returned quickly
There are 48 fields that need validation - is there a way to reference the entire recordset?
Immediate Window during Break Mode:
? me.fsubsrNavSHLBHL("NavSH_QQ")
NESE ' this is the correct value for the current recordsource
Set a breakpoint right after the line:
fsubsrNavSHLBHL.Form.RecordSource = "Select * from vsrNavigatorSHLBHL where Well_ID =" & txtNavWellID.Value
Immediate Window:
? me.fsubsrNavSHLBHL.Form.RecordSource
Select * from vsrNavigatorSHLBHL where Well_ID =91229
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Apr 27, 2007
Hi guys, I'm a bit confused: I know that opening a bound form will bring down the whole recordset. But if I create a parametered query as the recordsource, will it still bring down the whole recordset first and only afterwards cut down to the records matching the parameters?
Example: I have a clients table with 5000 clients on a backend mdb, and my client lookup form in my frontend mdb. If I open the form looking for just client "Jim Jones" (via the parameter query), will Access bring down all 5000 clients from the backend to my frontend first, and only then seek out "Jim Jones" before discarding the rest of the recordset?
For if this is true then this whole Access business is rather unsuited for networks, even a small one. I hope you guys prove me wrong.
Premy
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Jul 7, 2013
I want to write a email where there are 2 or 3 different ordernumbers for same email, i want to include the email in the mail part as single column table. how to do it? also can i use result of one recordset for other recordset?
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Jun 5, 2005
I have a Table where the are several entries all with Fields A, B and C
the same, and varying values for Field D.
There are several different values of A, B and C.
I want have a query, pick out each combination of A, B and C and just the
Max value of D for that combination.
It looks as if it should be simple but I can't figure out how to do it?
Anybody able to help?
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Jul 10, 2005
Hi to all;
I am not familiar with access function, in Excel its very easy to find the max value at row level, what's the formula in access query to get the max of this example
Co1co2 co3….co60max(co1:co60)
200150300 500 ?
212542321 222 ?
thanks in advance for respond
Majed
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Jul 17, 2007
Hi all
I have an expression in a query which is checking a list box on a form. If the list box is empty (is null), then I would like the query to search on the highest (maximum) value in the specified field (CourseFK), otherwise it will look for the value in the list box.
Expr1: IIf([Forms]![frmEditDeleteStudentDetails]![lstEditCourseFK] Is Null,[CourseFK]=Max([CourseFK]),[CourseFK]=[Forms]![frmEditDeleteStudentDetails]![lstEditCourseFK])
However it seems Access will not allow me to do this - I get an error about an aggregate function in a where clause.
Can someone please suggest to me how to get around this? Eg, is there an alternative way to search for the maximum (still needs to be determined dependant on the list box).
Thanks
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Dec 10, 2007
Hi,
Can some1 tell me how to create a query that shows me the ProcessID for max time and date (date and time are in separate fields) for every PersonID. I need to run a query once in 5 minutes to check the job that every person is doing. They are entering the processID every time they get a new work to do.
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Apr 21, 2008
How do you find the maximum of four fields in each record of a query. Say (for example) you have daily records of the rainfall across four cities, where the cities are the fields in the query. how do you write an extra calculated field to the query that shows the max. rainfall across the fields on a paticular day.
Many thanks if you can help
Nifty
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Jul 12, 2007
I am a beginner and have a very basic query. I would like to create a field which returns the maximum value across a number of fields for each record. Is there a function that would do this?
To explain in more detail, each record is a customer and the fields are their purchases by month. I would like to get the maximum monthly purchase amount for each customer over the past year.
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May 4, 2005
Hi,
we use access for localisation in our application. The business object which accessess the access uses DAO connectivity and we often land to
"Too many client tasks" problem.
is it wise to change the DAO to ADO? if so the above problem will go off?
what are the chances that the problem still persists?
is that access has any limits on the number of connections? like 64, 255? or is that ADO/DAO has any limitaions on the number of concurrent connections to access DB?
Pls help, your help will be highly appreciated.
Thanks,
Venkat.
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Sep 26, 2005
How many users can an access database support? I'm setting up an app accross 3 workstations but each has multiple users. There may be as many as 1000 records a day entered. Can an access database handle this or do I need to switch to sql server?
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May 3, 2006
hi all,
This is general question only. How many number of records that Access can handle as a maximum records?
Or it only depend on size limit (4GB)???
thanks
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Aug 17, 2007
I understand that the maximum file size for an Access db is 2GB but can you essentially have as many fields as you like as long as you do not exceed the 2GB threshold?
I am doing some planning for creating a database with ~90 fields and want to know before I start it whether it will be able to handle that many.
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Jun 3, 2005
My issue:
Does anyone know the maximum number of (one to one) relationships with cascading deletes a table can have?
Background:
I have a split database peer-to-peer application with ten simultaneous users, 250+ linked tables running on A2K, AXP and A03. MSDE and SQL Server are presently not viable options.
I'm unable to manually or programmatically relate one table to 73 others with referential cascade deletes; some of the 73 are related to still other tables. The one table is used as a recordsource on a subform on each of 73 different main forms, each of the latter having a different recordsource.
In other words, I want to delete a record in any of 73 different main forms, each with a unique table recordsource, and then cascade delete a subform record (which has the same table recordsource, regardless of the main form).
If I combined the 73 into a single table, I'd have a monster record with 500+ fields, assuming the latter is even possible, and in which event perfomance would suffer from excessive network traffic.
What I've tried:
I haven't worked this issue for some time and have forgotten the number of relationships for a single table I've been able to create. As I recall, it's on the order of 20 relationships maximum for one table.
Of course, I can do it programmatically delete the subform record on the OnDelete event of the main form, but, for elegance, I'd like to use a cascade delete.
Peer-to-peer network performance is not presently a problem.
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Feb 11, 2008
I would like to know if there is a maximum nb of columns to use in a table or at least a prefered max nb. For example i have a table "customers" and inside i have "name" "last name" "age" "gender"..and so on is there a limit?
By the way i'm using access 2007
Thx for the explanation in advance.
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Sep 20, 2005
My quiery is supposed to search through a table of names, and find the latest timesheet entry date for each name, as follows:
ID: 1
Name: John
Timesheetdate: 1/1/2005
ID is specific to each name.
I want the result to be a single row for each ID/name, and to return ONLY the latest timesheetdate (this could either be the maximum value or the latest entry).
I have a feeling that this is a simple problem, but i just dont have the knowledge to do it, any help would be greatly appreciated!
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Sep 29, 2005
Can someone tell me what the maximum amount of fields that you can have in a query is please?
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Nov 3, 2004
What is the maximum no. of characters allowed in a combobox?
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Mar 17, 2008
I have a database of song track data with track length as a field.
I want to produce play lists up to specific lengths e.g 15 minutes and just want the query to show me enough songs to fill up this time period.
Any help appreciated - especially simple solutions!
Jim
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Dec 14, 2005
I need to create a query that will return for the latest document, the greatest document number. If I do select max(doc_date), max(doc_nbr), I end up getting the max doc_nbr, but it has an earlier doc date. How would I structure the query to do this?
An example is for these values:
1/30 1
1/30 3
1/30 5
2/28 2
2/28 4
The result should be:
2/28 4
I will then need to see if this returned value is different than the value that was returned the day before, but I am pretty sure I know how to do that.
Thanks,
David
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Jan 10, 2006
Hi
What is the maximum number of users who can be connected to one single database at one time? Is there a web site that has info on this?
Thanx for the info
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