RE: Query with a Remote Table over a DB-Link

>However, I cannot understand the part that says
>"When choosing the execution plan for a distributed statement, the
>optimizer considers the available indexes on remote databases
>just as it
>does indexes on the local database. ....."
>How does the local optimizer know about
>1) Remote Indexes
>2) Statistics on Remote Tables/Indexes

I suppose this information can be obtained by the local optimizer over the DBLink. Remember when you use a DB link, a process starts on the remote side and has all the privs of a process that is local to that remote DB.

John Kanagaraj
Oracle Applications DBA
DB Soft Inc
Work : (408) 970 7002

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