dynamic hashingの例文

例文

1. The optimizer will choose dynamic hash join if none of the joined columns has index
2. Join plan directives that force optimizer to use the designated join method to join tables in the query , either nested loop join , sort merge join , or dynamic hash join
3. In the previous example , if customer . customer num and orders . customer num are not indexed , dynamic hash join would be chosen by the optimizer as the best execution plan . the optimizer will choose nested - loop joins if