Index Documentation
Apr 6, 2007
Have the situation where a database backend is on a number of sites and if changes have to be made to the design structure of the backend database I would like to run a VB generated report to check that all indexes are correct. While this is not an issue with single field indexes, I have issues with multi field indexes.
Has any one got some ideas on reporting on this?
Thanks
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Apr 1, 2007
Hello everyone,
I have been wondering about how I'm going to keep track of revisions for one of my databases.
Currently, I have the database split into a Back End (BE) and Front End (FE). In the work environment, the BE sits on the server, whilst all other 4 machines get a local copy of the FE. All table data in stored in the BE and linked to the FE.
I have recently got my act together and started documenting all the revisions I make to the BE and FE of the database. To do so, I created two tables with the following fields:
RevID (PK Auto increment),
RevDate
RevNumber
RevisionNotes
TimeDateStamp
I called them tblRevisions_FE, tblRevisions_BE. I placed both tables in the BE.
Whenever I make changes to BE / FE, I record it in the appropriate table.
However, because I often work on the FE of the database off site, I don't have access to the BE table (tblRevisions_FE) to record the new changes for the FE.
One alternative I thought of was just recording the revisions in a text document, and asking the client to manually record these in the tblRevisions_FE (via a FE form).
I did have tblRevisions_FE located in the FE, but when each db user got a copy of the FE, there would also be 4 copies of the table floating around.
Does anyone have any suggestions about how to manage documentation of FE revisions in this situation?
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Apr 25, 2005
Hi I need to create a documentation - help system in my Access database. Can you give some guide lines and tips? General of course... like how to link a help file or something like that...
thanx for the helping hand
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Jul 17, 2006
I'm attempting to create documentation for an existing Access database - literally, it's a work-flow document.
It was relatively easy typing out the list of tables, modules, and Macros, but I have god-only-knows how many queries.
Is there any way to export a text list of query names to include in my documentation?
Regards and thanks!
Susan
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Sep 19, 2004
I spent a great deal of time trying to load up a picturebox with an image stored in an Access data base.
The thing that was most troubling was the complete lack of documentation.
Every feature that exists in VB or Access had many, many man days spent in development. Which means that someone has extensive documentation on it.
Yet, when I went to Microsoft web site to look it up, I was told my product (access) was not supported in the us, but rather I had to pay $99 to speak with someone.
It is a shame that the Microsoft monopoly is able to steal from the consumers and the little developers. Not to get to political but i think it is unfortuante that the bust up of microsoft was averted. It is really a drag to the little developer the lack of documentation and proper development of so many features of their products.
Perhaps I am missing something but is there a place to find proper documentation on the various components - with examples of use?
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Oct 7, 2004
Hey all,
I was wondering if anyone has an example of a system documentation that could be shared. I'm about to start writing one myself and I'm not sure what to include in the documentation. Thanks in advance!
Regards,
Swee
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May 15, 2006
hi
when creating indexes for databases what needs to be indexed? is there an article online that explains it??
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Apr 21, 2006
i
i do a sum on a field..... if i put an index on this field
does query will be faster?
thank
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Aug 23, 2005
I created a help file for a using a db I created, though I am thinking it would be nice to have it "look more professional" something similar to the Contexts and Index help option found in IE.
I am think a form would be the easiest to do with a subform for each element in the contents, so when the user clicks on an element on left form (which is the contents) the detail of that page appears in the right form the subform (perhaps just using the visible property)
There are tab options for a form so I can use that to make the contents, Index, search, favorites
some questions come to mind though...
0) how would I create collapsible menu (like a tree menu) see the contexts and Index help option found in IE.
1) how to create a search field to look for anything in the db except the code (i.e. part of a record, a description of the record, etc.) ?
2) how would I create a favorites section (a place to save help topics viewed) ?
3) how do i create a navigation system (back and forward through the subforms) - it seems I would need to track which forms are displayed and when then use that to navigate back and forward ?
4) how create various options such as stop or refresh search queries, and perhaps turning on/off select highlight
Finally is there something similar to this already out there that I can just customize various options off of, perhaps even a tutorial.
thanks for any direction you might be able to provide.
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Nov 23, 2005
I have ID field data type is auto number
I need to initilize it to zero after deleting all the records.....
tell me a way to do this
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Jan 21, 2007
I have 2 fealds ( Id and date ) they are primery keys in the table , I want to prevent duplacte id to the same date . ( MSGBOX after update the date )
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Feb 21, 2008
When I load a spreadsheet I can't add an index because it is a linked table, so I want to save it in MDB format so that I can add an index and then export it to SQL. However, when I save the file as an MDB file the data is all still linked as a spreadsheet and I still can't add an index. (I would add the index at the last step in SQL, but Pervasive SQL is very temperamental.)
Basically I just want to export an Excel spreadsheet into SQL and add an index.
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Feb 7, 2005
Can anyone tell me why access puts the primary key field in the index list twice for the same table? For example i have a primary key called CustID, when i go into design view and click on the index button on the toolbar, i see it listed twice, once as primary key and then again as its own field?!
I dont see the reason for this but often times with many of my databases i see this happen to many of my tables. :confused:
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Jul 6, 2005
I have a beginner Question....How can I set an unique Index on a field in a table if all the four fields are using duplicate values?
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Apr 18, 2008
Hi,
I want to have an index such that the combination of "line no" and "calving date" are unique.
I have tried:
CREATE UNIQUE INDEX index1
ON [main table] ([Line no], [Calving Date])
;
And
CREATE INDEX index1
ON [main table] ([Line no], [Calving Date])
WITH PRIMARY;
but I get a unique index on Line no
Any suggestions?
Regards
lactaman
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Oct 19, 2006
Don’t Understand why , tab index change’s
All 55 fields are in the same order as the tables.
The field is custname the frist fiels.
Go to my Customer form
Thery are 55 fields,
The frist field is ( custname )
I go to the properties
Then I go to tab index
And I type in 1
Then I exit.
Save form
Then I open the form and the cursor is not on the
frist field ( custname )
I go back to the properties
And back to tab index
Now it is 44
I have don e this procedure several times.
And the tab index changes sometimes it is 44 , sometimes it is 49
And other times it is 36.
How can I keep the fields in the same order that I set up the tables..???
What can i do about this.
John527
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Jan 4, 2007
Hi,
I don't know why, but my Microsoft Access 2000 Help's Answer Wizard and Index Tabs are completely empty! These pages are completely blank, with no dialog boxes or anything. How can I fix this?
Thanks,
Jean-Guy
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Mar 2, 2005
Hello, I keep getting this error when opening up a database. What can I check to find and fix the problem? TIA
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Jun 3, 2005
Can't figure out why I can't create a one to many relationship between two tables:
TableA uses a composite key as its primery key (field1, field2).
The table has a unique index comprised of these keys. The index even has a name. The table also doesn't contain any duplicate information, so the fields comprising my Primary Key are unique. The table I'm joining tableA is unpopulated at this time.
TableA
FIELD1 FIELD2
99999 ABCDEFG
99999 HIJKLMNO
Any help will be greatly appreciated.
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Dec 29, 2005
I am trying to set a multiple field index on a table. I would like to use 3 fields. One is a text field, the other two are date fields. The text field and one date field will always have a value. The other date field can either have a value or no value. The index will work if I only use the text field and date field that always have values. If I try to add the third field, it will not find a duplicate record. Can I not include a field that may have a null value?
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Mar 6, 2006
Hi,
To make a long and tedious story short:
Does anyone know why Access (2003) creates an index called PrimaryKey and an index called User_ID when I'm in the table design view and ask it to make the User_ID field the primary key?
After years of database development I've only just noticed this. Not normally not a problem but for this:
Use ADOX to find the field name of the primay key for a table. I took the code right out of a Access 2000 developers handbook. It creates a collection of the table indexes and steps through them one at a time checking if the PrimaryKey property is true. It hits the index called PrimaryKey and says 'yes it's true, this is the PK', I then go on to use the index.name property in an SQL Select to create an ADO recordset. The only thing is that the index called PrimaryKey is not a field name and the field name User_ID is not a PK :eek:
I go into the indexes list in table design and delete and re-create the indexes and PKs as I want and the code works fine.
So, again, why does Access do this? I'm so confused! :confused:
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Apr 2, 2008
Hi all,
I have a problem with indexes in tables. I made an inventory DB where we can store items on several locations. Their are several difference items, each kind of item has his own table because they all have different fields that the user has to fill in.
The only thing they have in common is the place, they're all stored in the same room, which has numbered racks and each rack has numbered spaces (for example: Sample X is in Room 1, Rack A, location B)
The combination of Room-Rack-Location has to be unique, this I can do in one table by using indexes, but how can I combine the indexes of several tables?
Do you think it is better to keep the track of place inside another table but how can I do this?
Thanks for your assistance!
Tom
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Aug 24, 2006
Hi Guys,
Is it possible to find out if there is an Index on a table or not? I am using VB6 and Microsoft Access database? please don't ask y!!!
TIA
STA
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Jul 4, 2007
Hi guys
thank you in advance for any idea/info!!
i have 2 tables, P.O and Invoice. In PO tbl i have an Invoice field with Index set to Yes (No duplicate)
On a form based on PO table, I couldnt enter a new record due to this so i set the Index back to NO
Now..I have a combo bound to PO table with a query taking a list serial number from another table. I want to filter away whatever serial numbers from this list that have been added to PO so i write this SQL
"SELECT DISTINCTROW tblComputer_Cabinet.[CC_Serial #]
FROM tblComputer_Cabinet, tblPO
WHERE (((tblComputer_Cabinet.[CC_Serial #])<>[tblPO].[CC_Serial #]))
ORDER BY tblComputer_Cabinet.[CC_Serial #];"
which worked fine before i removed the index
Why was it?
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Nov 12, 2007
Hello:
I have a form that has tabs on it. I have a list box on one of the tabs linked to a query, trying to show only those records that go with the person's name on the header of the form.
Example in query:
=[forms]![frmContacts]![Page]![4].[id] -- [id] is the person number.
This is were I get confused on how to identify the correct tab and make the data only show up for that person.
thx
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Mar 12, 2006
i have this form in microsoft Access which contains the fields refno name cpr and o combo box to choose the payment and add button , refno is the primary key....
when i open the form the ref no automatically appears and when i fill in the fields and choose one of the chosses from the combo box i get this message error Index or primary key cannot contain a null value
where is the eroor exactly?
any help plz
thankx
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