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ABCD Core Part 4

Access Business & Contact Database Part 4

Welcome to ABCD Part 4: Core. Total running time so far is 4 hours, 6 minutes.

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  • Lesson 1 begins by building the sorting and filtering features on the EntityListF. We'll add filter boxes above the field columns, sort labels, and a clear filters button.
  • Lesson 2 starts the advanced filtering on the entity fields that aren't in the normal search listbox like middle name. Lesson 3 adds searching the helper data (prefix, gender, etc.).
  • Lesson 4 adds searching the related tables like email, address, etc.
  • Lesson 5 adds searching the Misc Data fields.
  • Lesson 6 we will remove duplicate entities from the list with a GROUP BY statement, and make it so the last column will show values from a Misc Data search.
  • Lesson 7 we handle some bug fixes, improvements in the code, add ALL and NONE options to the search combo boxes, and create the printable report.

Database Files

I'm only posting the 32-bit versions for now. That's what I use. If you are using 64-bit Access, just create a new blank database file and import all of my objects into yours. I'll post a 64-bit version when the Core is finished. If you experience any code that doesn't work under 64-bit let me know. Click here for more information about 32 v 64 bit.


Learn More

I need to start making a proper outline page for the ABCD parts like the Developer lessons. I'm posting this here for the time being:

2. Advanced Filter 1 (32:52)
Search Field Listbox
Value Text Box
Search Operator Combo
Search Field Table

3. Advanced Filter 2 (31:25)
Handling Date Searches
Searching Helper Data
Helper Search Combo

4. Advanced Filter 3 (32:38)
Email Address
Join Table in SQL Search
Phone Number Digits
FilterCharacters Function
Address Fields

5. Advanced Filter 4 (39:31)
Search Misc Data
List of Misc Types
Available Search Values

6. Advanced Filter 5 (26:25)
Don't Show Duplicates
Fix Entity List Column

7. Advanced Filter (24:58)
Bug Fixes
Add ALL and None
Printable Entity Report

Enroll Today!

Enroll now so that you can watch these lessons, learn with us, post questions, and more.


I am recording videos showing how the database is built, but mostly so that you can understand the construction and be better equipped to make any modifications or additions you may need on your own. This will be marketed as a finished database without the need for any enhancements, but, of course, one of the main reasons to use Access is so that you can make changes yourself. The videos will be a quick run-through of how each feature is built, as I'm building it. I will be using advanced features like SQL and VBA from the start, so you may want some SQL or VBA Developer Lessons under your belt if you're going to try to follow along. This is NOT a teaching database. Free Technical Support will NOT be offered.

Tech Support

There is NO free Technical Support provided on the ABCD if you have not taken ALL of my previous Developer lessons. There are a lot of very difficult, advanced programming concepts used in the construction of this database. I do not have the time to provide free support if you get stuck trying to make modifications. All I will do is point you to the appropriate Developer lesson(s) that cover the issue. There is a reason why (a) I say this is NOT a teaching database, and (b) there are pre-requisites. Feel free to ask questions, but I can't spend half an hour explaining concepts that are already covered in my other lessons.


Unlike my other courses and seminars which provide you with royalty-free databases that you can modify and distribute yourself, the ABCD does NOT come with a royalty-free license. You may only customize the database for your business needs and for use within your organization. You may not resell or distribute it to others without express written permission. In addition, if you are using it in an organization with more than 10 users, you must purchase additional licenses. Contact me for additional information. I will post additional details when the Core database is completed.


There are two purchase options available for the ABCD.

  • You can purchase a fully editable and customizable copy of the database in addition to the video tutorials that show how it was built. This is the option you should pick if you want to make changes to the database for your own business needs, and you want to learn how the database was constructed to assist you. As a reminder, these are not teaching videos. They are simply provided to show you how the database was built. Free support is not guaranteed if you have questions. I do my best to answer questions, but I can't promise anything. You must purchase any pre-requisite parts or modules required. For example, you may not purchase Core Part 4 without first having parts 1 thru 3.
  • Once the Core is finished, you can optionally purchase a use-only version of the database. This is the best option if you only plan on using the database for your personal or business needs, but do not intend on modifying the structure of the database. Free instructional videos will be provided to teach your staff how to use it.

Your Feedback

I will be releasing new Core features and modules on a regular basis. You can see the list of features that are scheduled for development on the Coming Soon page. I would very much like your feedback on what features you think should be available. If you have a specific interest for your business type, let me know. 


ABCD4 Detail Question Upload Images   Link  
Alexis Cao 
16 days ago
Hello, i have a big question about the ABCD 4 Parts

how should i do if i need to understant the below VBA Code which comes from the ABCD 4 filter part. it's too difficult for me to understand even if i copy and see these code again and again: Read More...
Alexis Cao
16 days ago
very confused about:

If Not IsNull(FirstNameFilter) Then
        If WhereStr <> "" Then WhereStr = WhereStr & " AND "
        WhereStr = WhereStr & " FirstName LIKE ""*" & FirstNameFilter & "*"" "
    End If

this sub has 4 wherestr, it hit my core brain directly, i lose myself: where am i , what happend. i know its effect is to filter with some conditions, but i really can't understand why these code can do these. who can help me to explain? thank you very much
Kevin Robertson
15 days ago
This sub is saying:

   - check to see if there is anything in the FirstNameFilter
   - if it is not empty, check to see if there is anything in WhereStr, if there is add " And " to the end of it
   - then you are setting WhereStr to whatever is already in the WhereStr AND setting FirstName to whatever the value of FirstNameFilter is
   - if WhereStr is empty then FirstName will only be set equal to the value of FirstNameFilter without the AND.
Add a Reply
Advanced search on Notes Upload Images   Link  
Ron VandeVelde 
2 months ago
I just found that if I do an advanced search on the Notes field the results it shows doesn't show just the data that is in Notes. For example, if I do the search for *star*, instead of showing:
Star Trek Nerd!
Richard Rost
2 months ago
Yeah, I didn't think of that. It's because Notes is rich text instead of plain text. I'll add it to the fix list. Good catch.
Add a Reply
Add Customers Prospects Upload Images   Link  
Stefan Wirtz 
9 months ago
Hi Richard, thank you for your awesome work. I am wanting to add "Customers" and "Prospects" to the "Groups" function. Are we able to search by Group type and for example print a report of all new customers since Jan 1st 2021?
Richard Rost
9 months ago
Customers, Prospects are definitely two valid uses of the Groups. Printing a group listing is definitely on my TO DO list. I didn't think about "customers added since" a date, but I'll certainly add it. Good idea.
Add a Reply

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