Oracle Parameterized Views with SYS_CONTEXT in Oracle. How can the optimizer peek values? 03.06.2021 by Clemens Bleile There was a dicsussion a couple of years ago about a mssing feature in Oracle that the Optimizer is not peeking values when SYS_CONTEXT is being used in a predicate. I.e. specifically when using SYS_CONTEXT in Views to simulate passing(…)