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The LEAST function returns the smallest expression in a list of expressions. All expressions after the first are implicitly converted to the data type of the first expression before the comparison.
To retrieve the largest expression in a list of expressions, use GREATEST.
The data type of the first expression.
LEAST (expr [, expr]...)
Example 8-7 Finding the the Text Expression that is First Alphabetically
The following statement returns the string that is first in alphabetic sequence.
Example 8-8 Finding the Smallest Numerical Expressions
The following statement selects the number with the smallest value.
SHOW LEAST (5, 3, 18)