How will u copy the objects of one schema to another schema in datapump & export/import?

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any body know about orawaves do they really provide placements in their unique placement program

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I got an error SQL1042C. An unexpected system error occurred. Explanation: A system error occurred. One possible reason for this error is that the database manager is not installed correctly or the environment is not set up correctly. On OS/2, while trying to start the database manager, a very common reason for this error is a corrupted NET.ACC file. The command cannot be processed. The tables and views would not be opened. What is the way to open the dataase? pls help me

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From the database level, how can you tell under which time zone a database is operating?

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What is the difference between dropping a database and taking a database offline? : sql server DBA

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How can you tell how much space is left on a given file system and how much space each of the file system's subdirectories take-up?

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. I have my backup RMAN script called "backup_rman.sh". I am on the target database. My catalog username/password is rman/rman. My catalog db is called rman. How would you run this shell script from the o/s such that it would run as a background process?

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When a user process fails, what background process cleans up after it?

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Which types of backups you can take in Oracle? 2. A database is running in NOARCHIVELOG mode then which type of backups you can take? 3. Can you take partial backups if the Database is running in NOARCHIVELOG mode?

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What would you do with an "in-doubt" distributed transaction?

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What are the different authentication modes in sql server and how can you change authentication mode? : sql server DBA

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What is a correlated sub-query? : sql server DBA

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