單項(xiàng)選擇題

Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client
whileconnecting to the database instance from a remote machine（）

A.Host naming method
B.Local naming method
C.External naming method
D.Directory naming method

你可能感興趣的試題

You execute this command to drop the ITEM table， which has the primary key referred in the ORDERS table：SQL> DROP TABLE scott.item CASCADE CONSTRAINTS PURGE；
Which two statements are true about theeffect of the command（）

A.No flashback is possible to bring back the ITEM table.
B.The ORDERS table is dropped along with the ITEM table.
C.The dependent referential integrity constraints in the ORDERS table are disabled.
D.The dependent referential integrity constraints in the ORDERS table are removed.
E.The table definition of the ITEM table and associated indexes are placed in the recycle bin

單項(xiàng)選擇題

You want to import schema objects of the HR user using Oracle Data Pump from the development database，DEVDB， to the production database， PRODDB. A database link devdb.us.oracle.com is created betweenPRODDB and DEVDB. You execute the following command on the PRODDB database server：$ impdp system/manager directory = DB_DATAdumpfile = schemas.datschemas = hr
flashback_time = "TO_TIMESTAMP（’25-08-2007 14：35：00’， ’DD-MM-YYYY HH24：MI：SS’）"The command fails displaying the following error：ORA-39001： invalid argument valueORA-39000： bad dump file specification
ORA-31640： unable to open dump file "/home/oracle/schema/schemas.dat" for read ORA-27037： unable toobtain file status
What would you do to overcome the error（）

A.Add the user， SYSTEM， to the schemas option.
B.Add the network_link = devdb.us.oracle.com option.
C.Change the dumpfile option to schema.dat@devdb.us.oracle.com.
D.Replace the schemas option with the network_link = devdb.us.oracle.com
E.Replace the dumpfile option with the network_link = devdb.us.oracle.com

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Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client whileconnecting to the database instance from a remote machine（）

你可能感興趣的試題

You execute this command to drop the ITEM table， which has the primary key referred in the ORDERS table：SQL> DROP TABLE scott.item CASCADE CONSTRAINTS PURGE； Which two statements are true about theeffect of the command（）

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Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client
whileconnecting to the database instance from a remote machine（）

You execute this command to drop the ITEM table， which has the primary key referred in the ORDERS table：SQL> DROP TABLE scott.item CASCADE CONSTRAINTS PURGE；
Which two statements are true about theeffect of the command（）