Queries :: Updating A Large Table?
Mar 1, 2015
This really isn't a large table by Access standards, as it has only about 1 million records, but nevertheless it's taking a long time to run the update query. Here's the query:
UPDATE [Db] INNER JOIN [Small Table] ON [Large Table].text1=[Small Table].[text1] SET [Large Table].[text2] = [Small Table].[text2];
[Large Table] has about 1 million records and [Small Table] has 10 records.
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Mar 16, 2007
I am writing a vba procedure to updating some records in another Access database.
rsAccess.Open "SELECT * FROM AI_Table",conAccess, adOpenForwardOnly, adLockPessimistic
rsAccess!OCRExist = "Exist"
rsAccess.Update
it has about 3 millions of records in that AI_Table. In the procedure, I perform some calculation and put the result into a TEXT(50) field in the AI_TABLE. As it was updating the records, I could see the size of the Access database file (the one contained AI_Table) grew very quickly, almost 1 MB/sec. I am pretty sure I am not adding that much data. If I stop the procedure and packed the database, it shrunk a lot.
I am just wondering if there is anything wrong with the way I am locking or updating the records.
Thanks,
pggsB
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Apr 19, 2013
Here's a query that the bottom listview in the attached form i.e. a listview representing a table of calls(many) to fims (1 top listview)
Code:
SELECT calls.id, calls.firm_id, calls.called, calls.said, calls.spoke_to, calls.next
FROM calls
WHERE (((calls.firm_id)=[firms].[id]))
ORDER BY calls.called DESC , calls.next DESC;
When I run the thing...I get a dialog asking me for firm id.
I want to change this so when I move up and down the firms LV (top)... the bottom LV updates taking firm id from the top LV with focus.
Access 2003.
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Nov 26, 2013
I'm using an UPDATE query to update records in one table (tblMain) from another table (tblTemp)
Here is my SQL :
Quote:
UPDATE [tblMain]
INNER JOIN [tblTemp] ON [tblMain].[MainField1] = [tblTemp].[TempField1]
SET [tblMain].[MainField2] = [tblTemp].[TempField2];
I only want to update the records in tblMain which have a corresponding record in tblTemp (linked by MainField1 / TempField1)
If any record doesn't appear in tblTemp, I want tblMain to retain the existing value for that record.
However, it appears that in such situations, the record in tblMain has it's MainField2 value set to null / ZLS.
I've tried using LEFT JOIN and RIGHT JOIN and also tried WHERE clauses but the result is the same every time.
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Jan 11, 2015
I have an Access 2007 application that has a Parts Table that contains a list of automotive parts.I have attached a screen shot (parts.jpg) showing the structure.I have another table called Web_Parts that has exactly the same structure as Parts. The Web_Parts table gets its data from a CSV import that I do that is data extracted from an MySQL database used by an eCommerce website.
You will notice that there is a field called "Web_Product_Id" (number). This is the unique ID for each of the products that I have exported from the Web shop system. I need to regularly (probably every couple of weeks), export out of the web shop system and import into the Access environment.
Due to the fact that the data in the web shop system may change (pricing, description, add new items, delete new items etc), I need to find a way that I can simply update any existing records in the Parts table with any new information contained in the Web_Parts table......
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Jan 6, 2014
I have a table and a query both of which have the same [Resource ID], [Resource Name] fields.
I am trying to update the [CBL_1_Date], and the [CBL_1_kW] fields in the table with the [CBL_x_Date] and [CBL_x_kW] fields of the query. The problem is that when I try to run the query I keep getting "Operation Must Use and Updateable Query" error.
here is the SQL Code
UPDATE tCBLAggregation
INNER JOIN qBestof4CBLs_avg
ON (tCBLAggregation.[Event Date] = qBestof4CBLs_avg.[Event Start Date]) AND (tCBLAggregation.[Resource ID] = qBestof4CBLs_avg.[Resource ID])
SET tCBLAggregation.CBL_1_Date = [qBestof4CBLs_avg].[CBL_x_Date], tCBLAggregation.CBL_1_kW = [qBestof4CBLs_avg].[AvgOfCBL_x_kW];
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Aug 15, 2015
i am trying top create a stock take form. the form is now set up so each time an item is scanned a new record is created in the tblStockUpdate. i ow need to create an update query that updates tblItems with the correct quantities.
the relational data will be the barcode and is unique to each record in tblItems. because each time an item is scanned a new record is created i need to count records grouped by barcode or sum as each new record has a 1 as default in the qty column.i have created a qry that sums the records by group(Barcode) but now i need to update the tblItems quantities. update queries have always troubled me and this one is beating me at present.
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Jun 21, 2014
Is it possible to update vlues in a table using wildcards. I want to use a query to search for certain records that meet a certain criteria and modify these values like changing particular dates in the date field to new values.
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Aug 9, 2014
I'm working on a project management database for my fathers small business. Data Entry goes as follows: Users enter a Work Order, and all the parts that must be created for that work order. The parts have different processes (tasks) done to them to be created. The database runs a simple system like this as we want it to work. I am now attempting to allow handling of more advanced work orders. Specifically, some parts require the completion of multiple other parts before they can be created.
Here is how the database should handle these events:
1) User clicks button named "requires other parts" when entering a new part.
2) On click a subform is opened that allows the user to enter which other parts need to be completed first.
3) Once all of the parts are completed the next part can begin.
This is my current solution:
1) A query calculates if a part is complete
2) Some form of logic looks up to see if all the required parts are completed. If the answer is yes, a field named ready changes to "Yes" and if the answer is no, a field named ready changes to "no"
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Apr 14, 2014
I have a query that takes a value, Proposalvalue, and depending on the currency, loc curr, it calculates the currency. It gets the currency value from the currencies table and appends to TableB
eg.
proposalvalue currency
50000 1
Currencies
id Value
1 0.6587
This creates the conversionvalue = 32935 in the TableB.
I have a form that can viewedit the data in TableB.
Using this form, I want to be able to change the proposalvalue and for it to automatically update the conversionvalue.
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Sep 29, 2013
I have add my two tables
Main table calls Attack
Sub table calls Research
the main table attack is linked with sub table Research by Attack.ID and Research.attack_id from form automatically
The sub table Research have more than one record which is linked into the main table Example:
How can I get the data which is marked in blue into record 24 and the data marked in Red into row 23
using Unite_Equal column?
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Jul 28, 2014
I have a MS Access table containing Dependent social security numbers but some of the dependents social security numbers are blank.
I have a MS Sql Database that contains a table with most of the missing MS Access table dependents Social Security numbers.
How can I take the Dependents social security number from MS Sql Database and copy/update the MS Access table.
I tried the sql code below created from MS Access and it matches 453 records out of 460 dependent social security numbers but how do I update qryGHIAccuracyFile_MissingDepSSN.SSN with the social security number from dbo_depfile1.dep_depend_ssn
Code:
SELECT dbo_depfile1.dep_depend_ssn, qryGHIAccuracyFile_MissingDepSSN.SSN
FROM qryGHIAccuracyFile_MissingDepSSN LEFT JOIN dbo_depfile1 ON qryGHIAccuracyFile_MissingDepSSN.MemberSSN = dbo_depfile1.dep_ss_nbr
WHERE (((dbo_depfile1.dep_first)=[FirstName]) AND ((dbo_depfile1.dep_last)=[LastName]));
Updating MS Access table dependent blank SSNs with SSN in MS Sql Database.
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Aug 14, 2013
I have a list box whose data is inserted in a table named as "test0" ,now in a macro of vba i want to select all the items in the list box and create there pdf files in a folder at my desired location. So far i have managed to create a pdf file of single item ,but i want to select multiple items at once ,
Code:
SELECT test0.ID, test0.item FROM test0 WHERE (((test0.item)=[ItemNumber]));
So, in this query itemNumber are multiple and i want to create there pdf files at once ..just on a click of one button ?
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Jun 24, 2015
I have a list (table) that I've created in sharepoint 2010.I link to the sharepoint table with Access 2010 to update mass amounts of items at once. Some of the queries have no problem updating the sharepoint items, but other queries require me to "Enter Paramater Value."
In this particular queries; I'm trying to populate field A with dates from field B, when field A is null.
---------------------
UPDATE Table 1 SET Table.[FieldA] = [FieldB]
WHERE (((Table 1.[FieldA]) Is Null));
--------------------
When I run the above, I receive the "Enter Parameter Value" input box.All records have Field B populated (it's actually the created date.)
The goal is for field A to be populated with the values in Field B, without the query asking for parameters.
Note; I can go in each individual record and update them via access, one at a time. But it's the running of the update query that failing.
Edit: Removed spaces in table and field names.
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Jan 14, 2007
I have two datasets that I am using. They start off with similar information: sitename, siteprovince, sitecoordinates. They also have 5 more fields that have the same type of information. After that there are about 10 more fields with no overlap.
In the original dBase program they came from they were treated as one dataset.
The current structure I am using is Company, CompanyContact, Transaction, SiteDetails (the dataset I am asking about).
Is it better design to breakup the SiteDetails into SiteTypeA and SiteTypeB? I have everything working in one table, but I thought it might be more effecient to have two.
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Feb 18, 2014
I am trying to find a way to extract an email from a large text file that is an output from our email system. I would like to be able to extract the email address using a query or collection of queries. I have been able to extract all of the text that contains the @ symbol. From their I created a query expression:
Mid([field1],InStrRev([field1]," ")) that captures some but not everything I need.
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Jan 18, 2005
I have a table with 140 fields (I know, this is too many). I have a date field that intermittently will not allow data to be entered. There is a pattern to the data it will not accept, but it seems to only occur in certain records and what it will or will not allow seems different in each case. The error I get when I try to save a record is: The search key was not found in any record. I've isolated the error to the level of the table. Have tried compact/repair, removing the index on the field, deleting and recreating the field. Nothing works. Help! :confused:
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Mar 17, 2005
Hi,
To avoid the mind-numbing tedium of have to use make-table queries loads of times, is there a quick (probably VBA-related) way to split a large Access table, of about 350000 records, down into 93 smaller tables, based on a key code field that identifies each group of records e.g. GBW102, GBE999, etc?
Any help much appreciated.
thanks,
Alex
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Mar 4, 2008
I currently have 8 tables in my Database.
How can i extract all the information in those tables and put all the data into one large table? I want to extract everything apart from one table?
and can I format the large table once the data have been put in i.e. insert new Columns at the start, and populate fields based on the value of other fields values?
Any ideas or help? thanks
Kind Regards
Richard
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Dec 16, 2014
I have a form that has combo boxes and text fields (as well as sub forms). There is also a button linked to some code that says'
Private Sub cmdQuote_Click()
'Creates quote date and prints quote
Me.QuoteDate = Now()
Me.cbAgentID.Requery
DoCmd.OpenReport "Quote", acViewPreview, , "BookingID = " & Me.BookingID
End Sub
When the button is pressed the QuoteDate field (it is bound) should be be populated, but unfortunately it is not. I have played with refresh and requery but cannot derive a solution.
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Apr 28, 2008
I have a table with more than 700,000 records. There are no unique fields or unique combination of fields. I would like to add an AutoNumber field but when I try I get the message:
File sharing lock count exceeded. Increase MaxLocksPerFile registry entry.
If I answer yes I get an error that the new field was not added. Is there any way to add a key foield to an existing database?
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Feb 18, 2005
:eek: I have a large table with 1 damn corrupted record, the database can't be repaird, compact, I can't use the copy ,method since the table is over 9000 record sets.
I tried creating a new table and appending the non-corrupted record into it with no success, it is keep locking on me.
Have you guys tried anything else that works for this situation???
Thanks a bucnh
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Mar 21, 2006
I have a database with a table that contains 360,000 rows. I built a form with four boxes where a user can specify values to limit the result set. And instead of having a new window open with the results, I built a subform and placed it on the main form to display the results.
Here is how it flows:
Main Form -> user enters search criteria
Search Criteria -> feed as criteria in query
Query Results -> display on subform
Subform -> shows on main form
The query is setup to take the values from the main form and either use it if it's not null, or return all values if the field is null.
The problem I am having is that on opening the main form, Access is taking the four null values from the main form search fields, feeding them to the query, which is then feeding the subform. So 10 minutes later when the main form finally opens, I have 360K records displaying in my subform.
What I would like is to be able to open the main form instantly, specify my search criteria, then run the query, then have the query results populate the subform.
What do I need to do?
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Jun 22, 2005
I am a newbie when it comes to Access and ASP but I am trying. I am in the need for some help.
I have a large table in Access 2003 and need to break it into smaller tables (not using a query) where the fields are the same except each of the smaller, new tables will hold info for a specific person. These smaller tables would need tro be linked to the larger.
Is there an easy way to do this? I need to keep it in tables due to the ASP software I use to generate the asp pages.
Is this possible?
My goal is for each user to be able to only view/edit their data and for the large table to reflect any changes made to the smaller table.
Thanks,
Dan
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Jul 22, 2013
I am attempting to create a metrics analysis table from another table. What I would like to do is copy the structure (only) from table 1 into a new table. Change all the fields in the new table to text (except for an ID field which would be an autonumber). Then run a seperate group by query against each column, counting the values in each group (i.e. first query would have two fields The grouped column and the column count.
Once I have these values I would like to concatenate them (with the count in parens) and then push these values back into the new table under the appropriate column.
My code does this. I basically loop through a recordset that runs to each column/field groups and counts and then Edits the new table with the concatenated data.
My first table is 170 fields and 38K records. The issue is that it's too much for Access to handle and it blows up (on field 123) Telling me the File is too large. The file does explode to 1G. Then I can shrink it back down to 67mb by running a repair and compact... and then run the the data for the rest of the fields in that table. When I compact again I get about 80Mb.
So now I have two tables, both with an ID field... so I try to link them together (via a make table query) and meld them into one table... but it keep running into that "File Too Large" issue.
How can I have two tables in a database file with a combined size of 80Mb, but when linked together are too large for the database file? Does it have something to do with having all text fields?
I looked up the limits to MS Access and the field count doesn't appear to be an issue since it's nowhere near 255... So what's the problem here?
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Jul 30, 2015
Have a look at this screenshot from excel.
Basically I would like to capture the quantity in stock for the above list of phones at many stores.
I started out by adding each phone model as a numeric field in tblStock, because I need to obtain the quantity value for each and every model, for each and every store.
Is there a better way to do this? I was thinking of creating just 2 fields, Model and Quantity, then adding each model as a record, then using that record as a sort of template. I wander what would be the drawbacks of this, since with the first method, if a user needs to add a phone not on the list he would have to modify the table design.
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