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define too much redundancy using -'sql,relational-database,normalization,redundancy'
define too much redundancy ¬†using -'sql,relational-database,normalization,redundancy'
I'm doing an online course and it gives the following relvar example and then says:
¬†¬†Hmm. Although answer and answercode are different in each tuple‚ÄĒmaking
¬†¬†each tuple technically unique‚ÄĒthe values for attributes id,
¬†¬†questionID, and answertype are exactly the same. Normalization is in orderd.
Question is, what is considered too much redundancy? Where is the line drawn before we start going through normalization steps?
Sep 7, 2015
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