01 2020 档案
摘要:The hr user executes the following query on the employees table but does not issue commit, rollback, or any data definition language (DDL) command aft
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摘要:Examine the parameters for a database instance: NAME TYPE VALUE temp_undo_enabled boolean TRUEundo_management string AUTOundo_retention integer 900und
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摘要:You configured the Fast Recovery Area (FRA) for your database. The database instance is in archivelog mode. The default location for the archived redo
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