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• What is nls_date_format

• How to delete duplicate records from a table

• Whats a good place to use a sub select

• What tables do I have access to

• What are v$ tables

• How can I use a large rollback segment to avoid the snapshot too old error

• How to determine rowcount in a table efficiently

• What is a ROWID

• Changing your own password

• How to drop unused columns

• What is ROWNUM

• Why is the query not fetching the records for the date I wanted ?

• How to retrieve lowest or highest values in a single query

• Can a view be used in an update statement

• Commit Interval

• How long will a variable remain defined in Sql Plus

• How can I get the difference between two date columns

• What constraints will cause oracle to create default indexes

• Updating rows using cursor

• What is a Cartesian product

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