Data Analysis Issue
Apr 6, 2005
I work for a train maintenance company and to keep track of the defects we use access. Our data is stored in tables (eg unit1) and each defect is assigned a fault code (eg TRD.99). These codes are then used to report to our customer where errors our occuring on the trains.
There are 17 categories of code defined by the 3 letters at the start and the specific problem is stated by the digits. I need a method of tabulating the codes by unit number and a total given in another column. To do this I need a code to count the number of times each three letter code appears in the column of each units table and place the value in the corresponding column in the overview table. I then need a code to add up the total faults for each unit like the sum function in an excel spreadsheet. The final table should look something like this
Unit NoBOGTRD
30010 21
30020 17
30031 17
30040 4
30050 5
30061 18
30070 3
30081 7
30090 4
30110 0
30120 2
TOTAL3 98
Any help will be greatly appreciated
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Aug 15, 2007
Is there an Add in for Microsoft access that will using a gui based method, run queries, set up automated reporting (task Scheduler) in an easy to administer method. Quest Toad has a new add in Toad for Data Analysis. I am looking for something similar for access. Right now I am doing this manually via creating macros, etc. But there really should be an easier way.
Thanks
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Jun 19, 2013
I have a quality control database that has a QCEntry table that contains information about each sample the QC technician takes from production. This table has a one to many relationship with the TestResults table, where the tests performed on the sample and their results are stored.
QCEntry table is structured like
Code:
EntryID Product Lot Number Day Time
1 AB-500 121323 12/23 5:00
TestResults table is like
Code:
ResultID Entry ID TestName TestResult
1 1 Carbonblack 50
2 1 MFI 10
My question is: Is there a way modify large amounts of data like this using a query or some other method to look like this? Kind of denormalizing the tables?
Code:
Product Lot Number Day Time Carbonblack MFI
AB-500 12323 12/23 5:00 50 10
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Dec 27, 2014
I have a table [Control Table] with the fields [Date signed] and [outcome] date signed is formatted as dd/mm/yyyy and the outcome field is a drop down with the options granted, not granted ect
I am looking for a way to present the data using specific date ranges.
I have found 2 possible avenues;
Dcount in a select query:
w/c 01/04/2014 GRANTED: DCount("[Date signed]","[control table]","[Date signed]>=#04/01/2014# And [Date signed] <=#04/06/2014# And [Outcome]='Granted'")
w/c 01/04/2014 Not GRANTED: DCount("[Date signed]","[control table]","[Date signed]>=#04/01/2014# And [Date signed] <=#04/06/2014# And [Outcome]='Not Granted' And [Reason not granted]='Assessed'")
w/c 01/04/2014 Discharged: DCount("[Date signed]","[control table]","[Date signed]>=#04/01/2014# And [Date signed] <=#04/06/2014# And [Reason not granted]='Discharged'")
etc...
But I would need to create the multiple queries 52 times each for the different count value per week
My 2nd option
I have looked at crosstab query, but I cant find a way for it to list the specific dates I need it to query e.g from
01/04/2014 - 06/04/2014
07/04/2014 - 13/04/2014
14/04/2014 - 20/04/2014
etc...
Any tips on Data analysis? I have been able to perform the task previously in excel using If statements but we are now moving to access.
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Aug 27, 2013
I have a larget transaction data set in access with Datetime column/filed.
I have been running pivot queries to excel to do analysis of the data but the datetime field is returning too many unique values for the pivot table to run.
What is the best way to reduce the datatime field to date only and where should this be done?
i.e. should I have a calculated field that trims datetime or should I set someohting up in Powerpivot?
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Sep 5, 2014
I work on a pre-created Access database, and the other day I was working on it, and was trying to export something to Excel to sort it and do some Pivot analysis.
Anyway, I must have pressed something, because now every time I open the database, rather than saying "record 1 of 20463" and showing the data from record 1, it shows "record 1 of 1" and all the data fields are blank. If I go to "Records" and "Show All Records" they'll all come up, but I don't want to have to do that every time, and as I import and export all the time, I'm worried that the next time I try it it'll mess up the years of data I have.
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Mar 18, 2006
Hi everyone,
I'm toying with the idea of designing a database to simplify a task I currently undertake at work (using excel) - comparing price movements in the shares of a certain company with the average movement of the share prices in the sector, and displaying any material discrepancies on a certain day in a report.
From my limited understanding of access I think I would need:
- "PriceData" Table, with the fields - date, share, price, dailymovement%
- "SectorData" Table, with the fields - date, sector, price, dailymovement%
- "Relationship" table, specifying the sector that relates to each fund
- A query which summarises the above, returning the date, share, and the two movement percents and then copies them into a temp table.
- A query/report which pulls out the relevent (material) descrepancies from this temp table and presents them in a nice format.
Is this possible and am I along the right lines?! Any input would be greatly appreciated!
Thanks,
Mat
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Sep 23, 2005
Hi Guys,
I have sort of problem - I'm trying to desing the database for one of the organisations.
The entities are: Family, Child, Referral, Voucher, Receipt, Provider, Activity.
That's ok so far. I've been asked to do the option for the new address of the Child - in case if they move to the new place and keep the old one as well.
Family table is the 'child table type' for the Child table - family can have more than one child, but one child can be part of only one family (one to many relationship).
I thought to make a seperate table 'tblAddress' and store all addresses in this table - then link them to the family - this however requires from me to have additional field for - for instance - second address, third address, which in case there was no change in address would remain empty value.
The other option - which obviously is absolutely waste of space is to add straight away additional address fields in the 'Family' table itself.
Don't you know of any other, more appropriate solution?
If you need more detail - I can send the copy of the database which I have created so far.
I would appreciate any help.
Thanks,
Scabro
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Dec 22, 2004
I am designing a database for my company that keeps track of new classes and new courses created. I have a form for each with the create a class form taking the course title from the courses table/created course from the create a course form.
Here's my dilemma. I want to use cascading combo boxes for class location, facility and room but I think my table structures and relationships may be incorrect.
Here is a list of my tables and their fields:
tblClass
ClassID (PK)
CourseID (FK)
InstructorID (FK)
StartDate
EndDate
StartTime
EndTime
ClassMin
ClassMax
Materials (yes/no)
MatNotes
EmpID (this is the ID of the employee who requested a class creation)
LocID
FacID
RoomID
LogID (Logistical Coordinator ID, if applicable)
Course
CourseID (PK)
CourseName
more...
Employee
EmpID (PK)
FName
LName
more...
Instructor
InstructorID (PK)
FName
LName
more...
Logistical
LogID (PK)
FName
LName
more...
Locations
LocID (PK)
Location
Facilities
FacID (PK)
Facility
LocID (FK)
Rooms
RoomID (PK)
Room
FacID (FK)
LocID (FK)
When I run a query with class, locations, facilities, and rooms no information shows up. If I run the query with the relationships between facility/room, facility/location and room/location removed (leaving the only relationships between class and these three) it works. Why is that? Shouldn't there be a 1-M relationship between Location, Facility and Room? Or, should there be a M-M relationship and I should create tables with each PK?
I apologize for the long post but this has become quite frustrating (despite the simple logistics).
Thanks!
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Mar 4, 2005
My database records order details for analysis. I have created a form to monitor individual trends in orders placed by my customers. As we supply bespoke items each customer has a list of products which they alone purchase, i.e we do not supply stock items, each item is specifically for one customer (they can then buy the items on a regular basis). The products are assigned to a customer in the products table.
The Analysis form I have created displays the customers name and two graphs. The first graph shows total sales each month, this graph updates as I navigate through the records (i.e. a different graph is loaded for each customer). The form also contains another graph, this is where the problem lies! This graph shows orders of the individual products, controlled by a drop down list containing all the products we supply. I need to limit this list to only show those products relevant to the current customer select on the form. (The products are assigned to a customer in my products table). Currently I achieve this by using a query which when the form is opened asks me to enter a customer ID, the drop down list is then limited to the products supplied to that customer.
What I would like is for the drop down list to update as I navigate through the records. i.e. when customer A is displayed show all the products assigned to customer A, when customer B is displayed show all the products assigned to customer B.
I’ve attached a snapshot of the form to help explain what I mean.
Thanks for any suggestions.
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Oct 16, 2012
I do some error analysis for debugging an Access DB. My question is are there some regulations or frameworks, which could support my work.
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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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Mar 27, 2008
If my make queries in the data base and the source data base is another .mdb and the table names in the other .mdb which would be used for the queries are the same as those in the data base where the queries would be made......does anyone see any problems with that in the area of corruption or similar.
The queries made would be indentical to their counterparts in the data base where they are made and would serve the same purpose.
It would be a toggle type of thing whereby the recordsources for the forms in question would be changed.
For what I want to do it works perfectly but I am not sure if there would be problems that would only surface with longer term use and varied conditions as opposed to some short term testing.
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Apr 16, 2014
I have data from a survey with qualitative responses. For a single qualitative question, I moved the ID & responses into a new table and categorized the response according to a bucket/theme, where each column is a new bucket. I now have 10 columns. Each response is represented in 1 or more columns. I used an excel formula to copy the response data into the column itself.
Example:
A1 // B1// C1 // D1// E1//... L1
ID // Response // Cats // Dogs // Elephants //.... Column 10
1 // I like cats // I like cats //(null)//(null)// ... (null)//
2 // I like cats and dogs // I like cats and dogs // I like cats and dogs //(null)//..//
3 // etc.
However, now I'm realizing that Access always wants to show data for all records, or at most I can limit using a WHERE clause in my query.I want to use Access to generate this report:
1. Section 1: Show all responses from the Cats bucket where there is data
2. Section 2: Show all responses from the Dogs bucket where there is data
3. and so on
I know how to do summary values, and I know how to do filtering that apply across the whole report, but this seems like more advanced filtering, where I want to see selective details differently for each field.
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Mar 9, 2006
First I would like to give thanks to all the knowledgeable folks here who have helped me with my DB to date. It is working and every one is very happy and I have learned a lot.
So now I would like to add some more functionality to this existing project.
My DB is for data input of customers for a drawing. It has the following fields: Id, account number, first name, last name, date/time, score1, score2.
I t is taking a great deal of time for the users to enter in hundreds of entries a day. Most of the entries are customers who are already in the DB. I would like to get the fields to auto fill the data for existing customers say after the account number is entered. So after you put in the account the name and any other pertinent data would shows up saving users from typing it in again.
The first problem I am having is that this is still a data entry form and I can’t figure out how to be able to see the account information and still add new data to the record? The new data is a daily score they get.
Second I haven’t figured out how to call up the customers information from just the account field.
I’ve googled this and haven’t found anything terribly helpful.
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Oct 24, 2007
i would like in a form for a combo box to be able to select an item from a table and input relating information automatically into other boxes in the form..
I have 3 tables: Table 1 has product code and product description.
Table 2 has invoice number company details, address etc.
Table 3 has product code and product description qty and invoice number..
Table 3 relates to table 2 by the invoice number and table 3 product code looks up the product codes available in table 1 and also table 3 looks up the list of products descriptions in table 1 using the combo wizard.
This means the wrong code can be put with wrong description.
What i would like to know is how i select a product description and the product code in the form fills out automatically?? i hope this makes sense please helppppp!!
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Mar 5, 2015
I an trying to create a data entry form (IndividualsEntryFm) to input data for fields such as (First Name),(Birthdate) etc., these to be saved to the (IndividualsTbl)
I also have another table (NamesTbl) which has family names etc. The two tables are linked by a (MainID) field. I want a combo box on the individualsEntryFm so that I can select the family name. Then I wish the empty fields for the IndividualsTbl to be available to enter data.When I press the save button I then want this data saved, together with the MainID from the combo box to the IndividualsTbl.
I have set the IndividualsTbl with a (PersonID) field as an auto number each individual therefore has a unique PersonID but may well share the MainID. I'm trying to link many people to the same address.
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Feb 9, 2015
I want to use the same form in datasheet mode for data entry and retrieval. When retrieving, all controls are disabled and locked. I am trying to enable and unlock them for modifying but that isn't working.
<code>
DoCmd.OpenForm "PO_Practice Data", , , , acFormEdit, acHidden
Forms![PO_Practice Data]!PO_Name.Enabled = True
Forms![PO_Practice Data]!PO_Name.Locked = False
Forms![PO_Practice Data]!Practice_Name.Enabled = True
Forms![PO_Practice Data]!Practice_Name.Locked = False
[code]...
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Dec 30, 2014
I would like to filter data from a table using a query (from an data input form). The objective is to output all results if input form field is empty and to output results higher or equal to the type in the field if field is not Null. The query code is as follows:
IIf(IsNull([Forms]![Form2]![MaxDiffInput]);[Maximum operational pressure (bar)];[Maximum operational pressure (bar)]>=[Forms]![Form2]![MaxDiffInput])
However, is not providing any result when the input field (MaxDiffInput) as a value.
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Aug 5, 2014
I am using Excel/VBA as a frontend and Access backend. The sheet2 stores the queue name and Queue number. We have to update the sheet1 from column L to column O by looking for the values from the Access table for the date selected from the comboboxes. Now In sheet 2 , it says Queue number and in actual in access table it is the combination of Type & Type1 & Type2. So we have to look for Type & Type1 & Type2 in the table and find out total Batches ,Total Envelopes,Total documents and total pages and then store the values in the ExcelSheet1 from column L to column O.
The following formulas will be used in the select statment:
Total Batches = count(BatchNo) for date selected
Total Envelopes=sum(Envelopes) for date selected
Total Documents=sum(Cases) for date selected
Total Pages=sum(Pages) for date selected
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Aug 10, 2012
I want a Text Box Query on my form to display the Status, Workshop, Time, Enrolled and Limit. The problem is these values come from two different tables and the Enrolled value comes from a single field that contains the different workshops.
What I mean is: In Table[Attendees] a row contains a customer's Number, First Name, Last Name, Workshop and Phone Number. The workshops vary for each customer so one row on the table could have John Doe attending Cover Letter Writing and the next row could have John Smith attending Resume Writing. What I want is to be able to count the different workshops within the Field[Workshop] and total them and then display the total in a Text Box Query. I have a Text Box Query set up displaying Status, Workshop, Time and Limit as these values all come from Table[Workshops].
So basically I need to Query to also display a result that is the Total for each workshop from Table[Attendees] and display the total for each workshop in a Query with data from Table[Workshops].
Here is a link to an Example Database [URL] ....
I'm trying to avoid putting things on different reports and the like because the people using this are basically computer illiterate and if they have to click a button (no matter how well labeled) they won't do it and the information might as well not exist.
And if there's a better way to do it, I'm all ears. The only thing is, I have to update these workshops month by month. Since they are dynamic, I want to avoid creating separate tables for each workshop.
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Nov 11, 2013
i have a main form named(EMP) i have a subform named(SEMP)with EMPID i have an another form Named(SDetail) with EMPID i want to open form Sdetail with filter records for data select in subform (SEMP) ,EMPID field Subform SEMP in as datasheet view. i can open sdetail for selected records only
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Apr 15, 2013
what I want to do is make a button to search range of columns in data table with data type Yes/no and display the results if the value is yes
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Dec 18, 2014
I am trying to save specific data from a data entry form to a specific depending on what the user selects from a dropdown/combo box.
So if the user selects "test company from the combo box, that data (from that form) will save to the Test company data table.
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Aug 1, 2007
I have a database that I import data from an excel spreadsheet into multiple times daily. The table that this data is imported into has several key fields that if the data already exisits in the table, and I attempt to import data that is the same except for one or more of the key fields is different. At this time the database it creates a different record. I am trying to get the database to overwrite the data in the database.
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Feb 18, 2015
My aim is to have my forms open to a new record, which I have done, but if my users need to then update or edit data in previous entries, they can click a button that allows this.
My thoughts were to add a button, then put in code so that the necessary properties changed the form from displaying a new record or records entered since opening it, to showing all records in the associated table....
As an example there is a table for purchase orders. When clicking on this from the main menu form, it opens up the purchase order form to create a brand new PO. At times though, we will need to revisit an order to attach a copy of an invoice, or update the cost of whatever was purchased.
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