A Surrogate Key Should Be Considered When ________

question 5

Multiple Choice

A surrogate key should be considered when ________.

• A)a relationship is M:N
• B)a composite key is required
• C)the key contains a lengthy text field
• D)the key contains a number
• E)an index needs to be created

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Definitions:

DNA Triplets

Sequences of three nucleotides in DNA that code for a specific amino acid or a start/stop signal in protein synthesis.

ATG

A codon in genetics that signals the start of a protein-coding sequence in DNA or RNA.

CGT

Cell and Gene Therapy, a field of medicine that aims to treat, prevent, or cure diseases by modifying gene expression or biological properties of living cells.

AUG

The codon in mRNA that signals the start of protein synthesis, translating as the amino acid methionine in eukaryotes and as formylmethionine in prokaryotes.