What Is Unique Index?

1.	What Is Unique Index?
Answer» UNIQUE index is the index that is APPLIED to any COLUMN of unique VALUE. A unique index can also be applied to a group of COLUMNS. Unique index is the index that is applied to any column of unique value. A unique index can also be applied to a group of columns.

Answer»

UNIQUE index is the index that is APPLIED to any COLUMN of unique VALUE.
A unique index can also be applied to a group of COLUMNS.

Unique index is the index that is applied to any column of unique value.
A unique index can also be applied to a group of columns.

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