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iLandManager Subscriptions

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Written by OPadmin OPadmin
Created: 07 July 2020 07 July 2020
Last Updated: 01 October 2020 01 October 2020
Hits: 222 222

Land Management System with website hosting and email hosting - Billed Quarterly at $675

Microsoft Most Valued Professional (MVP) - Access Expert

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Written by Boyd Trimmell Boyd Trimmell
Created: 25 June 2011 25 June 2011
Last Updated: 25 April 2023 25 April 2023
Hits: 3803 3803

mvp Boyd Trimmell, aka HiTech Coach
Microsoft MVP Alumni - Access Award from 2010-2015

Profile at Microsoft

 

What is a Microsoft  Most Valuable Professional (MVP)?

Microsoft awards the Most Valuable Professional (MVP) in recognition of significant contributions made to technical communities by sharing high-quality, real-world expertise. Microsoft Most Valuable Professionals (MVPs) are a worldwide network of exceptional technical community leaders.

 

 

"If technology doesn't work for people, then it doesn't work."
- Kim Vicente

 

 

 

 

Best Performing Free Antivirus

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Written by Administrator Administrator
Created: 14 April 2010 14 April 2010
Last Updated: 25 April 2023 25 April 2023
Hits: 6111 6111
 

mse_sshot

The Anti-malware testing group AV-Comparatives.org tested sixteen products on the malware removal/cleaning capabilities of the security products installed on an already infected/compromised system.

 

The best performing free software by the Anti-malware testing group was Microsoft Security Essentials and they've also given it their best ranking in their performance test as well.

 

I have installed Microsoft Security Essentials and have found it to be very fast and light on system resources. I compared it on a PC running  XP Pro SP3  machine with AVG 9 Free edition with Spybot Search and Destroy.  I have now removed AVG 9 Free Edition and Spybot Search and Destroy and replaced it with Microsoft Security Essentials. The PC is running faster and has more free memory!

 

To download this free tool Microsoft Security Essentials Click Here

 

For additional information see:

 

AV-Comparatives picks six malware removal winners
Performance Tests [AV-Comparatives]
AV-Comparatives Rates Anti-Malware Performance [PC Mag via @edbott]

 

Record Source for Forms and Report

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Written by Boyd Trimmell Boyd Trimmell
Created: 07 October 2010 07 October 2010
Last Updated: 25 April 2023 25 April 2023
Hits: 4531 4531

I will assume JET 4/ACE (Access 2000 or later) back end:

 

For Access Forms and Reports, you have several options for setting the Record Source property.

 

1) A saved query is optimized when it is saved. It will not need to be optimized again. This has a performance gain.

2) (recommend method if possible) Embedded a SQL string in the record source of a form or report. This is also stored as a temp query so the above applies.

3) Build the SQL in VBA code as a string, not modifying the QueryDef(). While it is true the VBA code might get compiled, the SQL is still just in a string. When the SQL is executed it must go through the optimizer EVERY time. This lowers the performance when compared to the previous two options where the query gets optimized and then saved.


Now let's compare options #1 and #2.

Pros of Option 1:
If you store the query then it can be shared with other objects. For example, multiple reports can share the same saved/named) query but have different grouping and sorting.

 

Pros of Option 2 :
When the SQL is stored in the record source of a form or report, it protects the query when the database is compiled into an MDE/ACCDE. 

 

Pros for Option 3:
There are times when you must build the SQL on the fly using VBA code. I will take a slight performance hit to gain the desired functionality. I will use this in special cases but not as a standard method.

 

I would recommend setting a Form's and Report's record source to an embedded  SQL string (Option #2) whenever possible. I find this keeps things more organized.  When you look at the query list in the Navigation pane or Database Container you will have a whole lot fewer queries to sort through to find the one you need.

 

 

main page

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Written by Administrator Administrator
Created: 09 April 2010 09 April 2010
Last Updated: 25 April 2023 25 April 2023
Hits: 4653 4653

Data is a terrible thing to waste!
We turn your data into useful information.

 

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