You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table？（）<br>A: You must enable the block change tracking feature.<br>B: You must have enable the flashback feature.<br>C: You must use the OMF in your database.<br>D: You must define the tablespace of the SCOTT.EMP table for automatic segment space management.

You are shrinking the SCOTT.EMP table by executing the ALTER TABLE SCOTT.EMP SHRINK SPACE CASCADE statement. What is a prerequisite for shrinking the SCOTT.EMP table？（）
A: You must enable the block change tracking feature.
B: You must have enable the flashback feature.
C: You must use the OMF in your database.
D: You must define the tablespace of the SCOTT.EMP table for automatic segment space management.

出自：Oracle认证

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