In Microsoft Access, a null value is a value that is not assigned or unknown. When working with databases, it’s important to understand how to use and identify null values in order to ensure accurate and efficient data management. The IS NULL operator is one of the most useful tools for working with null values…
It was announced that Access Services is going to be retired. Details of the announcement may be found here: Updating the Access Services in SharePoint Roadmap. Additional timeline information along with possible methods for exporting your data out of an Access web app may be found here: Access web apps no longer supported. While these articles…
There are cases where a table’s primary key is referred to often in the code. In fact, it might have some special meanings in code. It is highly encouraged to avoid the use of or (or any auto-incrementing schema) for those keys because it is also usually desirable to create a VBA that corresponds to…
Suppose you have an Access Database containing the names and addresses of your customers. Every now and again you may want or need to send a standard letter to each customer who has opted in to such mailings. However, you are aware that these letters are going to look so much better, and work so…
Strong preference should be given to writing code that is self-documenting. A common approach is to write a lot of comments, but the problem with comments are twofold: It actually can harm the readability because it adds to the overall length of code to read and understand. It must be correct or it can end…
Hardware matters. Invest in a faster PC and your Microsoft Access databases will run faster. Be alert for sellers packaging fast processors with minimal memory and a slow hard drive to keep prices low. Look at all aspects of the purchase when database speed is a priority. A faster hard drive is worth the investment…
A number of objects may have extra properties or something where it might not exist for all instances. A good example might be finding property on an variable: Not all controls have a property and thus can fail to run. A common approach is to use OERN: This will work OK but this can significantly…
What is the SQL Server equivalent to Access InStr() function? TargetField: String expression being searched SearchValue: String expression being sought StartPosition: Starting position for each search (optional) Access SQL SQL Server