Dirty read in VSAM.
Posted: Tue Jul 28, 2015 1:50 pm
For a recent interview, I was asked a question which I am quite sure about. What is a dirty read in VSAM? Have you ever used the "dirty read" technique?
I could not answer this question. I have searched and find out that the "dirty read" technique can be used to provide a high degree of concurrent access to VSAM files while avoiding the complications associated with CI and CA splits. If it's a technique, why it is called "dirty"? Technique should be widely accepted... can some one please help me understaning the answer for this question.
I could not answer this question. I have searched and find out that the "dirty read" technique can be used to provide a high degree of concurrent access to VSAM files while avoiding the complications associated with CI and CA splits. If it's a technique, why it is called "dirty"? Technique should be widely accepted... can some one please help me understaning the answer for this question.