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（） Add the user， SYSTEM， to the schemas option.。 Add the network_link = devdb.us.oracle.com option.。 Change the dumpfile option to schema.dat@devdb.us.oracle.com.。 Replace the schemas option with the network_link = devdb.us.oracle.com。 Replace the dumpfile option with the network_link = devdb.us.oracle.com。
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In which two cases would you use an outer join? （） The tables being joined have NOT NULL columns.。 The tables being joined have only matched data.。 The columns being joined have NULL values.。 The tables being joined have only unmatched data.。 The tables being joined have both matched and unmatched data.。 Only when the tables have a primary key/foreign key relationship.。
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Which IBM resource should be used to validate the results from a Disk Magic study PRIOR topresenting the final storage solution and pricing to a customer?（） Customer Engineer 。 Storage Sales Specialist 。 Competeline Representative 。 Field Technical Storage Specialist (pre-sales)。
美国微软公司起诉亚都公司软件侵权案，使亚都面临近千万的赔偿。双方陷入的危机属于（）。
