多项选择题
A.Indexes and views can be created on temporary tables.
B.Both the data and the structure of temporary tables can be exported.
C.Temporary tables are always created in a user’s temporary tablespace.
D.The data inserted into a temporary table in a session is available to other sessions.
E.Data manipulation language （DML） locks are never acquired on the data of temporary tables
单项选择题 You want to configure and schedule offline database backups to run automatically. Which tool or utility wouldyou use to achieve this（）
多项选择题 Identifythe situationsinwhichyouusethealertlogfileinyourdatabasetocheckthedetail.（）
多项选择题 You set the following parameters in the parameter file and restarted the database：MEMORY_MAX_TARGET=0MEMORY_TARGET=500M PGA_AGGREGATE_TARGET=90MSGA_TARGET=270M Which two statements are true about these parameters after the database instance is restarted（）