多项选择题
A. issuing the ALTER SYSTEM ENABLE RESUMABLE；statement
B. issuing the ALTER SESSION ENABLE RESUMABLE；statement
C. modifying the RESUMABLE_TIMEOUT initialization parameter to a nonzero value
D. issuing the ALTER SYSTEM SET RESUMABLE_TIMEOUT=
多项选择题 YouwanttoanalyzeaSQLTuningSet（STS）usingSQLPerformanceAnalyzerinatestdatabase.WhichtwostatementsaretrueregardingtheactivitiesperformedduringthetestexecutionofSQLsinaSQLTuningSet？（）
多项选择题 The database is configured in ARCHIVELOG mode and regular complete database backups are taken. Theloss of which two types of files may require a recovery with the RESETLOGS option? （）(Choose two)
单项选择题 You observed the following output for a user session: What do you infer from the preceding output?（）