多项选择题
A. setting idle timeout limits on resource plans
B. saving storage space by using compressed backup sets
C. creating jobs that will run automatically at a scheduled time
D. assigning priorities to jobs to manage access to system resources
E. creating alerts to perform notification when tablespaces are low on available space resources
单项选择题 You opened the encryption wallet and then issued the following command： SQL>CREATE TABLESPACE securespace DATAFILE ’/home/user/oradata/secure01.dbf’ SIZE 150M ENCRYPTION USING ’3DES168’ DEFAULT STORAGE（ENCRYPT）； Then you closed the wallet. Later， you issued the following command to create theEMPLOYEES table in the SECURESPACE tablespace and you use the NO SALT option for the EMPID column. What is the outcome？（）
多项选择题 Which statements are true regarding table compression? （）(Choose all that apply.)
单项选择题 WhichstatementistrueregardingtheretentionpolicyfortheincidentsaccumulatedintheAutomaticDiagnosticRepository（ADR）？（）