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Oracle® OLAP DML Reference 10g Release 2 (10.2) Part Number B14346-01 |
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# EXISTS

The EXISTS function determines whether an object is defined in any attached workspace. The EXISTS function is useful in a program to test whether a definition exists before you try to use it.

Return Value

BOOLEAN

Syntax

EXISTS(name-expression)

Arguments

name-expression

  A text expression that specifies the name you want to test.

Notes

Specifying More Than One Name

When name-expression contains the names of more than one object, EXISTS returns `NO` even when all the objects specified by name-expression exist in attached workspaces.

Examples

Example 11-35 Using EXISTS

This example tests whether the variable `actual` has been defined in any attached workspace. The statement

    SHOW EXISTS('actual')

produces the following result.

    YES