[postgis-users] How best to create and use associative array type in Postgres?

[Shaozhong SHI]

In Oracle, one can create and use associative array.  For instance,
TYPE FID_MEASURE IS TABLE OF NUMBER INDEX BY VARCHAR2(38);
NODES_WAITING FID_SET;

How best to create and use associative array type in Postgres?

Or, what is the best/most efficient equivalent in Postgres?

Regards,

David
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