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11 March 2016
11 March 2016

Oracle Database 12.1.0.2c: Automatic Big Table Cache

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Serial direct path reads were first introduced in Oracle 11g to prevent wiping out a large number of buffers from the buffer cache by a serial large table scan.¬†As a result, big tables accessed via serial Full Table Scans bypass the Buffer Cache and read data from the Data Files into the users’ Program Global Area (PGA). This prevents flooding… Read more