15.10 - Example: Creating a Hash Index According to Ship Date by Order ID - Teradata Database

Teradata Database SQL Data Definition Language Syntax and Examples

Product
Teradata Database
Release Number
15.10
Published
December 2015
Content Type
Programming Reference
Publication ID
B035-1144-151K
Language
English (United States)
Last Update
2018-06-05

The following hash index is distributed implicitly on l_orderkey, the primary index for the base table lineitem, and also stored implicitly in hash order on l_orderkey:

     CREATE HASH INDEX line_hidx_4 (l_shipdate) ON lineitem;

This creates an index that is equivalent in structure to the following join index:

     CREATE JOIN INDEX line_jidx_4 AS
      SELECT (l_orderkey), (l_shipdate, lineitem.ROWID) 
      FROM lineitem
     PRIMARY INDEX (l_orderkey);