单项选择题 YouareusingOracleEnterpriseManagertoestimatethesizeofatabletobecreated.Youhavetypeddataregardingthecolumnnames，datatypes，sizesofthecolumns，andtheprojectednumberofrowsinthetable.WhichadditionalinformationdoestheOracleEnterpriseManagerreturn？（）

单项选择题 You created the DEPT table by using the following command：   CREATE TABLE scott.dept   （deptno NUMBER（3），   dname VARCHAR2（15），   loc VARCHAR2（15） ）   STORAGE （INITIAL 100K NEXT 50K  MAXEXTENTS 10 PCTINCREASE 5  FREELIST GROUPS 6 FREELISTS 4）；You are required to shrink the DEPT table. While performing the shrink operation， you want to ensure that the recovered space is returned to the tablespace in which the DEPT table is stored. You do not want to shrink the indexes created on the DEPT table. What will you do to shrink the SCOTT.EMP table？（）

单项选择题 This is the online redo log files and the control file configurations： Based on these configurations， which statement is true？（）