Table Normalizing
Feb 22, 2006
Alrighty,
I am going to take another shot at making my inherited database like the others I see. It is an inventory questionnaire. It seems most of the information is stored in 1 table . I have read much on this forum about normalizing and I understand this is to stop duplicates. I would like to normalize this database and create it in Oracle. I have tried recreating it.
The database tracks assets and the people who own and manage them and there risk.
I have one table called
tblAsset - It holds everything about the asset including the risk rating and summary.
tblAssetformat - are the formats of the assets for dropdown query
tblImpactItems - is the risk impacts for dropdown query
tblMasterplan - are the decision teams dropdown query
tblRiskLevels - are risk levels for dropdown query
My form is usually a query and all the information on one screen.
When I tried to normalize it before it appears it should be the following:
tblAsset - Asset Name, Asset ID, Asset Description, Asset format, Asset Location
tblInventory - Conf Risk level, Integ Risk Level, Impact,
tblowner - Owner department, unit, masterplan.
Any assistance would be appreciated.
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Aug 20, 2006
I’m working on a new database which will record furnace logs for a heat treat company. I did my best to normalize the tables. I’m trying to add new records through a select query which updates multiple tables. My problem is I don’t believe I did that great of a job normalizing the tables because I continue to get errors stating I have duplicate entries. It dose not make any sense because each table uses an auto number as the PK and one FK value from the tblProcessFurnace which is an auto number. Every new record should increment the PK. Thus making it impossible to have duplicate values.
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Dec 17, 2014
how i can normalized this data which has been imported from excel to ms access.
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Jun 15, 2005
Greetings,
I have a friend who is using Excel to track a Greyhound Protective Association roster. These are folks that foster and adopt Greyhounds -- thus a worthy cause. It has over 600 rows of data.
I've attached 50 rows of sample data in Excel format.
Along with contact information, there are also fields to track up to 5 dogs. I've gone through the spreadsheet and tried to set it up for import to Access 2000. I have the dogs numbered 1 through 5.
I'd like to set this up in two (or more ??) tables, with Contacts in one, and the dog information in another. I'm guessing it will be one-to-many (Contacts -->Dogs).
However, I can't for the life of me figure out how to get this all together so that she can use a form-subform setup to input / access the data.
I'd like to pull up a name in the form, and have the subform display all of the dogs that this person has adopted, with the ability to add more dogs. Thus, they could have one dog, or 2 dozen dogs.
Any assistance would be greatly appreciated !! Thanks in advance.
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Nov 9, 2006
Hi all,
I am new to this forum and a rookie when it comes to Access. I inherited a pretty complex db and from my experience from other forums as well as trouble coming up with accurate queries I have come to the conclusion that normalizing the db is the only solution.
However, I really need help with this process.
I have attached a simplified version of my database with only the tables (all the #s and data are fake).
Basically what this db does is track lease hold improvements for various groups (ADT and RWA) and the tables are split up to reflect the 2 groups.
I will focus only on the ADT tables as the RWA is basically the same thing (Dont worry about GSA and the other stuff). The main table in the db is the ADT_Detail which includes all sorts of data regarding "Projects". I will provide information on each field:
Project- Project numbers numbers are unique, but often have multiple DCNs (and there's not always a project number so that can cause a null value for primary keys).
DCN - Each DCN can have multiple projects associated with it
TO - Task order can be the same for everything
SiteCode - A number that identifies various locations, there is another table that lists all the site codes and pertinent info on each.
CostBase - A currency figure on the original cost of each Project
Useful - length of useful life for each project
Complete-Expense - yes/no field
Complete-Cap - yes/no field
WIP- yes/no field
(any project can have 1 or multiple yes for these)
InServ Date - Date the project is placed in service
Start Amort Date - Date amortization starts on the project
date add LHI - the date the project is entered into the db
Fund- a number where the project is expensed
Post Fund - If a fundis not available for the project this is what is used by the DCN and is usually the more important one
Year- when the project begins
Post year - If a year is not available for the project this is what is used by the DCN and is usually the more important one
Deletion - yes/no box so that we can keep a track of what items we are deleting to compare with other periods
Deletion date - used to identify Quarter that the project was deleted
There is also a table labeled (ADT_Master) which contains other data for each project. This is pretty self explanatory when you look at the table.
Everything is also based on quarters when we ran queries to show additions, deletions, adjustments in certain quarters based on the quarters table.
This is probably more info than what is necessary but hopefully it will give you an idea of whats going on. Let me know if you need any further clarification and I will try my best to assist.
Thanks in advance.
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Mar 3, 2008
Hi,
Just was asked to create a new db
Basically it's going to track provider/member information
Here is where I'm running into a issue.
I have a provider table, it has the name, rider#, and I need to list the 'clinic' the provider belongs too. I orignially thought since many providers can belong to the same clinic. I would created a clinic lookup table..
but then I started thinking, how in the world would I keep that updated? There are tons of clinics out there, and I have no way of knowing which ones need to be in the db.
So then I thought, should I just have clinic be a text field and the user will just type in the clinic name when they enter the new provider info? That would work, but it's also creates duplication in the db, and what happens if one person enters a new provider and spells the clinic name wrong? OR what happens if a clinic changes it's name all together?
I would have to run update queries to fix all that. Doesn't seem like the right way to go about this.
So how would you do it? Keep the database normalized, but also keep it easy for the users to update and maintain when creating records?
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Jun 1, 2006
I have a 1000 records with 4 columns , now normalized.
I can use set to update and set some of the records. Perhaps there is a method I am missing. Is there some script or stored procedure I can run in sql to speed this up.
I have 181 units to match 1000 records as well as business leads any hints would be appreciated.
I am matching the DepartmentID in the department table back to the field on another table.
Thanks in advance
Regards
Angel
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Jul 20, 2005
Hi folks.
I'm going over a laboratory application that I started a few years ago, trying to do a better job with some of the table structure that I set up, and improve the application. Right now, I'm working on the very first thing I did when I started building this application. This part has users pick a sieve stack setting for a size test, and record the grams of material weighed from each sieve in the test. This stack is based on the top and bottom size of the sample. In the original, I used a field for top and a field for bottom. In the new structure, it's together. There are over 100 different sieve stack combinations, and the number of sieves used in a combination for a test varies from 3 to 8. The way I was told to set it up is not in a normalized table structure, but it has worked fine for us to date.
I've gone in and broken the tables up into what I believe to be a normalized structure. The funny thing is, the size of the db is bigger with the tables put into a normalized structure than it is with the orignial, non-normal structure.
This seems weird to me. I've done this with other sets of non-normal tables in the application, and saw a subsequent shrink in db size because of the optimization of the table structure. Now I'm wondering if I've done this right, so I'm asking if some of you experienced hands can look at this and tell me if I've gone wrong in my attempt to normalize the table structure.
I appreciate any input in this issue, as it has me scratching my head a bit. I've posted db1, which is non-normal, and db2, which is normalized (I think). I put a few records in these, so you can get the gist of the application use. File size with these few records is negligible, but the application has over 18,000 records in it, and the file size difference is over 1MB, which was unexpected.
Thank you.
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Feb 1, 2007
How does normalizing affect current queries and forms?I need to normalize a database here at work, the original creator made one BIG table.My concern is how will that normalization affect the current queries and forms I have created based on the current table?I tried the Wizard but that wont do the job I will have to do it manually.Thanks
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Nov 13, 2012
How to properly normalize dates in access. I have read many things and have actually normalized dates before in the past but feel that there is a specific correct way to accomplish this without having to jump through many hoops on coding and query design.
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Jan 30, 2014
I need some normalizing my data properly, and then showing the values in a form.
Currently, my table relationships look like this;
However, there can be multiple Genres per Band and each Genre will be applied to multiple Bands, and I know this is a Many-To-Many relationship, but I'm uncertain on how to create this properly and then show it in a subform in a form.
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Sep 29, 2013
How can I update (some columns) in a table from the same table based on a Criteria column in the same table.
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Jun 28, 2013
I need to get x and y coordinates for each device, but the data has to get looked up from 2 other tables.
I have a table (called InstReclosers) that has device names. Each device is on a Section. I can go to another table (called InstSections) and look up what Node that particular section is tied to. Then I need to go to another table (called Nodes) to get the X and Y location for that particular node.
How I can go about getting this X and Y data into the InstReclosers table?
...in summary, InstReclosers has device name and section name. InstSections has section name and node name. Nodes has node name and XY coords. Need XY coords for each device in InstReclosers.
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Jan 29, 2015
When I try to transfer (ctrl c + v) data from a table in Excel to a table in Access it loses format.
Exemple: $ 1.000,00 (Excel) become 1000 (Access).
I need to keep the format to make sure that the code works properly.
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Nov 4, 2014
I have a make-table query that pulls all the fields from 1 table (MainTable), and creates a new table with a date stamp based apon a form value entered (New Table = MainTableWithDate).
Currently, I setup the query to pull info from the form field like this:
DateField: [Forms]![frmmain]![DateField]
However, when the make-table query is done - all date fields are blank (all other fields are correctly created), and when I look at the new created table (mainTableWIthDate), the typeassigned to the date field is "Binary" (in the form, I've specified LongDate).
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Aug 5, 2014
I have a table products with a field "id_product" and "total" (Total items in stock)
I have a query with the fields "id_product" and also the field "total in stock"
I want an update query to update the field 'total' in table 'products' with infos from that query
For each id-product in table products, replace the field total with the field 'total in stock' from the query
So I want to update a filed in a specific table with infos form another table.
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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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Jan 13, 2014
I have an MS Access accdb with linked SQL Server 2012 ODBC tables. I am working on a procedure to copy data from local tables to these linked tables (identical schema). I did a simple
Code:
DoCmd.RunSQL "INSERT INTO linkedTable SELECT * FROM localTable"
This works, but is very slow. Way too slow. (INSERT copies the data one record at a time).
I would like to copy the data in a bulk operation, or operations that I can execute programmatically.
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May 28, 2015
I have a table for a multiple parents linked to a child table. I need to figure out a way to only allow 1 parent to be coded as primary, 1 as secondary, and then the rest as other... I thought about making Primary/Secondary/Other a primary key. But then I can only have 1 other. I would have to make a finite number of parents that could be entered and I want an infinite number.... My end goal is to have a report that only has a primary and second parent on it, but the rest of the parents still exist in the table...
*Child_ID
Parent_First_Name
*Primary/Secondary/Other
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Sep 12, 2014
How to make a form open with data from a table based on a date and time in the/a table?
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Aug 29, 2006
Hi,
I am extracting data from linked db2 table using access make table query. First I create a select query and can view the linked db2 data, but when I change to a make table query I get an error message, "invalid argument", when I run the make table query. There is no selection critera specified. Has anyone had this happen? and Do you know a solution?
Thanks for your support
GinnyP
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Nov 24, 2006
Ok my problem is this......
I have a form with a field "Property Status" on it. It has 4 possible values -
"C - SHELTERED (with warden charge)";"H - SHELTERED (No warden charge)";"J - WHEELCHAIR SHELTERED (With warden charge)";"M - WHEELCHAIR SHELTERED (No warden charge)";"X - DISCONNECTED"
When the value "X - DISCONNECTED" is selected in the form I want the record to be removed from its existing table and sent to a new table which keeps all the "X - DISCONNECTED" records together.
Any ideas would be greatly appreciated. How would this be coded?
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Jan 21, 2005
Hi everybody,
Beginner here needs help !
I'm building a make-table query for which if the result is null (no record correspond to the set of criterias), a default message like "there was no activity during the period" would appear in the table (not a message box...I need the message in the output table). The best I could think of is an IIF function but it doesn't seem to work... Is there any way to do this without using VBA?
Thanks in advance !
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Nov 10, 2014
In a situation where I imported an excel file with so many columns and split them into two temp tables and they are linked using a key.
the data has a fixed part lets say
Field1....Field2.....Filed3.....Field4...then Field5.....Field6.....Field7....Field8 is the same data range as Field9...Field10...Field11...Field12. I would want to split this data into multiple rows like this
Field 1 Field2 Field3 Field4 Field5 Field6 Field7 Field8
Field 1 Field2 Field3 Field4 Field9 field10 field11 field12 and so own...
What is the best approach?
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Aug 17, 2012
I have one DB that is used for creating/storing customer ID's, and another DB that is used for creating/storing job information for customers.I have linked the table from the customer DB to the job DB.
There is a table in the job database that holds customer name and ID, and some VBA that generates unique job codes.
Is it possible to have the data from the linked table automatically update into the existing table?
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Feb 3, 2015
If you want to use a "DoCmd.RunSQL "INSERT INTO" command to insert data in a table and the data to insert comes from a table and a form, could this be done in one pass?
So...writing a record wit 4 values from table1 together with a additional value from a textbox in table2 as 5 values.
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