单项选择题
A. There is demand for space from the new table从
B. The undo tablespace does not have sufficient free space
C. The new table name is the same as the table name in the recycle bin
D. The temporary tablespace that is assigned to you does not have sufficient free space
单项选择题 View the exhibit and examine the TRANS tables storage information. After a massive delete operation, you executed the following statement to shrink the TRANS table: SQL> ALTER TABLE trans SHRINK SPACE CASCADE; Which statement describes the outcome of the command?（）
多项选择题 Which two statements are true about a job chain?（）
单项选择题 Note the following statements that use flashback technology: 1. FLASHBACK TABLE <table> TO SCN <scn>; 2. SELECT * FROM <table> AS OF SCN 123456; 3. FLASHBACK TABLE <table> TO BEFORE DROP; 4. FLASHBACK DATABASE TO TIMESTAMP <timestamp>; 5. SELECT * FROM <table> VERSIONS AS OF SCN 123456 AND 123999; Which of these statements will be dependent on the availability of relevant undo data in the undo segment?（）
