Web Reference: The first time an Oracle AI Database client process requires a particular piece of data, it searches for the data in the database buffer cache. If the process finds the data already in the cache (a cache hit), it can read the data directly from memory. Oracle 12cR1 (12.1.0.2) introduces the concept of full database caching. If Oracle determines that the buffer cache is big enough to hold the entire database it will cache all blocks. In addition, full database caching mode can be forced. Oracle has the ability to write data into a data file without first writing them into the buffer cache. In such an operation, the data is appended behind the high water mark (HWM) of a table.
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2 Database Buffer Cache Oracle Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $23M - $40M
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Last Updated: April 10, 2026
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