from plot_visits as a
(select min(b.[date]) as minDate, b.PLOT_VISIT_CN
from plot_visits as b
group by b.PLOT_VISIT_CN
) as c
on a.[date]=c.[minDate] and a.PLOT_VISIT_CN=c.PLOT_VISIT_CN
Acronis protects the complete Microsoft technology stack: Windows Server, Windows PC, laptop and Surface data; Microsoft business applications; Microsoft Hyper-V; Azure VMs; Microsoft Windows Server 2016; Microsoft Exchange 2016 and SQL Server 2016.
'Between' is such a common word we rarely think about it but in SQL it has a very specific definition we should be aware of. While most database vendors will have their own unique phrases to describe it (see references at end) the concept in common …
In Microsoft Access, learn how to “cascade” or have the displayed data of one combo control depend upon what’s entered in another.
Base the dependent combo on a query for its row source:
Add a reference to the first combo on the form as criteria i…
With Microsoft Access, learn how to specify relationships between tables and set various options on the relationship.
Add the tables:
Create the relationship:
Decide if you’re going to set referential integrity:
Decide if you want cascade upda…