Does DDL Operations Block Readers or Select Statements?
(Doc ID 2388824.1)
Last updated on NOVEMBER 06, 2019
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Does DDL block select statements? Does taking exclusive lock on a table, can the table still be read?
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