Split A Table?

Feb 6, 2013

I'm gonna get right into it; here are two tables I have in my database.

tblAccession
-Accession (PK)
-State
-Test Type

tblSamples
-Accession (FK)
-Sample
-Additional

-Cassette
-Tissue Type
-Comments
-Trim initials
-Trim date
-Section initials
-Section Date
-Control (FK from a third table)

For tblSamples, the fields:Accession, Sample, Additional, Cassette is the same for each accession and is entered when an Accession is logged in at the beginning of the process. The rest of the information (Tissue Type, Comments, etc.) is entered when various people completes those steps throughout the testing (fluctuating people and days). Should I have have the fluctuating information (tissue type, comments, etc.) as a separate table? With a one-to-one relationship? Would there be an advantage/disadvantage to splitting tblSamples into two different tables?

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