Which statement is correct regarding undo management? a) The database can have more than one undo tablespaces b) The undo data must be purged manually when the transaction is over c) The UNDO_TABLESPACE parameter is valid only if the UNDO_MANAGEMENT parameter is set AUTO OFF d) Undo management is automatic by default even if the UNDO_MANAGEMENT initialization parameter is set to NULL
Which statement is correct regarding undo management? a) The database can have more than one undo tablespaces b) The undo data must be purged manually when the transaction is over c) The UNDO_TABLESPACE parameter is valid only if the UNDO_MANAGEMENT parameter is set AUTO OFF d) Undo management is automatic by default even if the UNDO_MANAGEMENT initialization parameter is set to NULL
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Which statement is correct regarding undo management?
a) The
b) The undo data must be purged manually when the transaction is over
c) The UNDO_TABLESPACE parameter is valid only if the UNDO_MANAGEMENT parameter is set AUTO OFF
d) Undo management is automatic by default even if the UNDO_MANAGEMENT initialization parameter is set to NULL
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