Answer Posted / ram

to avoiding duplicate data and easy maintence
it depends on entity relationship between columns

What are joins, explain all types of joins?

2360

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Who developed oracle & when?

1054

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Difference between the “verify” and “feedback” command?

1423

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Explain the use of file option in exp command.

1171

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How to join two tables in a single query using oracle?

1050

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What privilege is needed for a user to query tables in another schema?

1028

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How to login to the server without an instance?

1213

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hey friends, What are the steps I can do to transfer the database from Microsoft Access 2003 to oracle10g (or SQL) Best regards

2042

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How to use null as conditions in oracle?

1123

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Explain implicit cursor.

1073

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What is data type in oracle?

1183

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How do I limit the number of rows returned by an oracle query after ordering?

1221

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How to store pictures on to the database?

1030

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How to sort the query output in oracle?

1072

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How to compare dates in oracle sql?

1159

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