In an SQL Query,which SQL Keyword Must Be Used to Remove

question 102

Multiple Choice

In an SQL query,which SQL keyword must be used to remove duplicate rows from the result table?

• A)DELETE
• B)DISTINCT
• C)NOT EXISTS
• D)UNIQUE
• E)KEY

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Definitions:

Complementary Nucleotide Sequences

refer to sequences of DNA or RNA where each nucleotide is matched by a specific partner: adenine with thymine (or uracil in RNA) and cytosine with guanine.

Cloned Genes

Refers to copies of a gene that have been produced identical to the original sequence, often used for research or genetic modification.

DNA Polymerase

An enzyme that plays a crucial role in DNA replication, helping to add nucleotides to a strand of DNA.

Modified Nucleotide

A nucleotide (building block of DNA and RNA) that has been chemically altered to have different properties than its standard form.