Let`s suppose that alfa,beta and gamma contains milions of rows so we need to create indexes obviously to get optimal performace for this query : SELECT * FROM alfa JOIN beta on beta.id = ...
Change a partitioned global non-unique index that is the primary key to a non-partitioned unique index
One of the largest tables in our system has its primary key setup as a globally ranged partitioned (in huge, useless, multi-billion value ranges) non-unique index. Its values are just a sequence ...
I have a table that has time data of 2 billion records obtained from the clients. The data has two main columns, date and entity_id. The attributes date, and entity_id would make a unique pair. ...
By doing the following I can determine if an index will benefit from compression and how many columns should be included in the compression: ANALYZE INDEX Owner.IndexName VALIDATE STRUCTURE OFFLINE; ...
Is there a way to know if a COALESCE has been done on an index? Doing one doesn't seem to update the CREATED, LAST_DDL_TIME, or LAST_ANALYZED attributes. Note: I am not referring to the COALESCE ...