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|               MDX               |
+---------------------------------+
MDX(<expN1> [, <expN2> | <expC>])

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Returns names of open .CDX compound indexes.
Return value - Character
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<expN1>
        Number corresponding to index position.

<expN2> | <expC>
        Work area number or alias.

Functions identically to CDX() and has the same parameters.

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See Also:  CDX(), INDEX, NDX(), SET INDEX, SYS(14) Index expression,
SYS(21) Master index number, SYS(22) Master tag/index name, SYS(2021)
Filtered index expr, TAG(), USE

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