[单选]
You issued the following command on the temporary tablespace LMTEMP in your database:
SQL>ALTER TABLESPACE lmtemp SHRINK SPACE KEEP 20M;
Which requirement must be fulfilled for this command to succeed?（）

A . The tablespace must be locally managed.
B . The tablespace must have only one temp file.
C . The tablespace must be made nondefault and offline.
D . The tablespace can remain as the default but must have no active sort operations.

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You issued the following command on the temporary tablespace LMTEMP in your database:
SQL>ALTER TABLESPACE lmtemp SHRINK SPACE KEEP 20M;
Which requirement must be fulfilled for this command to succeed?（）

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[单选] You issued the following command on the temporary tablespace LMTEMP in your database: SQL>ALTER TABLESPACE lmtemp SHRINK SPACE KEEP 20M; Which requirement must be fulfilled for this command to succeed?（）

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[单选]
You issued the following command on the temporary tablespace LMTEMP in your database:
SQL>ALTER TABLESPACE lmtemp SHRINK SPACE KEEP 20M;
Which requirement must be fulfilled for this command to succeed?（）