Redo log entries are written before anything else in order to maintain database recoverability.
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Q1: DDL statements make permanent changes to the
Q2: All DDL statements issue an implicit commit.
Q3: The single table INSERT statement is used
Q4: The INSERT,UPDATE,and DELETE statements change data in
Q5: The non-conditional multiple-table INSERT statement is used
Q7: Default settings for the SET TRANSACTION statement
Q8: SQL Loader can often be even as
Q9: A transaction starts whenever a DML statement
Q10: Typically,directory objects are used for external tables.
Q11: It is important for database administrators to
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