​Which Command Will Create an Index

question 61

Multiple Choice

​Which command will create an index?

• A) ​CREATE INDEX indexname IN tablename (columnname)
• B) ​CREATE INDEX indexname REFERENCE (columnname)
• C) ​CREATE INDEX indexname ON tablename (columnname)
• D) ​CREATE INDEX indexname INCREMENT BY (columnname)

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Definitions:

(2R,3R)-2,3-dibromobutane

A specific enantiomer of dibromobutane characterized by its stereochemistry, with both chiral centers having R configuration, used in stereochemical studies.

(2R,3S)-2,3-dibromobutane

A specific enantiomer of 2,3-dibromobutane characterized by a particular spatial arrangement of its atoms, as detailed by its R and S descriptors.

Chiral

Describes a molecule that cannot be superimposed on its mirror image, often leading to different chemical behaviors for each form.

Achiral

Describes a molecule that is superimposable on its mirror image, lacking chirality and, therefore, lacking enantiomers.