Drop user command via PL/SQL block can cause ORA-4021
(Doc ID 2597269.1)
Last updated on OCTOBER 15, 2019
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124.0 and later
Information in this document applies to any platform.
When executing a drop user command via PL/SQL block, ORA-4021 can be caused.
ORA-4021 seems to be caused by a kind of self dead lock.
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