In our enviroment, we choose the second. After cached the table, oracle will be very smart to know that it should read the table from memory instead of read from disk.
http://dbakevin.blogspot.ro/2012/02/serious-performance-issue-caused-by-11g.html
Domains and Annotations in 26ai
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In a previous blog post I had demonstrated Domains for Columns and an
Annotation for a table in 23ai.
Domains are "Data Use Case Domains" -- predefined ...
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