多項選擇題

You execute the following command to change the status of the SALES tablespace：
SQL> ALTER TABLESPACE sales OFFLINE；
Which statements describe the effect of the command（）

A.The tablespace would require recovery to go back online.
B.A checkpoint is taken on all data files that are associated with the SALES tablespace.
C.The sessions that subsequently try to access the objects in the SALES tablespace receive an error.
D.The new status of the SALES tablespace is recorded in the control file when the database instance is closed.

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單項選擇題

You execute a command to resize a data file， sales.dbf， of size 200 MB in your database： ALTER DATABASE DATAFILE ’/remorse/sales.dbf’ RESIZE 150M；
Which statement is true about this command（）

A.The command must be issued in MOUNT state.
B.The command succeeds only if the data file is offline.
C.The command must be issued when the database is in the archivelog mode.
D.The command succeeds if no extent in the tablespace is currently allocated above the 150 MB boundary of the file.

單項選擇題

Which statement is true regarding the effect of this command on the transaction in Scott’s session（）

A.The command fails as a transaction is still pending.
B.The transaction in Scott’s session is rolled back and the tablespace becomes read-only.
C.The command waits and the user SCOTT can execute data manipulation language （DML） statements only as part of the current transaction.
D.The command hangsuntil all transactions on the objects in the tablespace commit or rollback， and then the tablespace is placed in read-only mode.

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You execute the following command to change the status of the SALES tablespace： SQL> ALTER TABLESPACE sales OFFLINE； Which statements describe the effect of the command（）

你可能感興趣的試題

You execute a command to resize a data file， sales.dbf， of size 200 MB in your database： ALTER DATABASE DATAFILE ’/remorse/sales.dbf’ RESIZE 150M； Which statement is true about this command（）

Which statement is true regarding the effect of this command on the transaction in Scott’s session（）

You execute the following command to change the status of the SALES tablespace：
SQL> ALTER TABLESPACE sales OFFLINE；
Which statements describe the effect of the command（）

You execute a command to resize a data file， sales.dbf， of size 200 MB in your database： ALTER DATABASE DATAFILE ’/remorse/sales.dbf’ RESIZE 150M；
Which statement is true about this command（）