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Oracle® OLAP Expression Syntax Reference
Release 11.2

Part Number E23381-01
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COALESCE

COALESCE returns the first non-null expression in a list of expressions, or null when all of the expressions evaluate to null.

Return Value

Data type of the first argument

Syntax

COALESCE(expr [, expr ]...) 

Arguments

expr can be any expression.

Examples

COALESCE(5, 8, 3) returns the value 5.

COALESCE(NULL, 8, 3) returns the value 8.