Example: Creating a Secondary Index on a Join Index - Teradata Vantage - Analytics Database

This example creates a secondary index on a join index named order_join_line:

     CREATE INDEX shipidx (l_shipdate) ON order_join_line;

A query against the base tables uses both indexes:

    SELECT o_orderdate, o_custkey, l_partkey, l_quantity, 
                    l_extendedprice
             FROM lineitem, order
             WHERE l_orderkey = o_orderkey
             AND   l_shipdate = '1997-09-18';

An EXPLAIN shows that the RETRIEVE step reads from the order_join_line join index table by way of the shipidx index:

    "order_join_line.l_shipdate = 970918"