Which are the different character-manipulation functions in sql?

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What is user defined functions?

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Can unique keys be null?

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What is the difference between left join and left outer join?

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How to get the 3rd column(i.e all the data along with the column name)in a table?

2 Answers   Logica CMG,

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How to create your own reports in sql developer?

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How do I find sql profiler?

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Can you have more than one key in a database?

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What do you mean by rowid?

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How to move files from one directory to another in pl sql?

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What is recursive stored procedure?

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If you have to declare procedure1,procedure2 in package specification and if you have to declare procedure1,procedure2 and procedure3 in package body? is it compilation or not and execute or not? what type of error is given please

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