What are the modes of parameters that can be passed to a procedure ?

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Which is the best place to learn hadoop?

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What is keys and its types?

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what is called after appearing where clause

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What is procedure function?

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Can %notfound return null after a fetch?

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What is a common use of group by in sql?

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how will be date change into string

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what is the difference between delete and truncate commands? : Sql dba

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1. how to use the check option constraints in sql query..? 2.how to add data in a complex query ? 3.is it possible to use commit or rollback or savepoint in triggers...if not why please explain with examples...? 4.what is the difference between meterialized view and normal view..how to create materialized view and how to use it..? 5.what is varray...? what is the advantage of the varray ? please expalin with a simpel example..i want to load into a table (student no and name and his marks..) please give example.. 6.what are the bulk bind exceptions...how to use bulk bind and how to use bulk collect..please explain with example... 7.what is for update of and where current of ...? 8 what is the use of nowait ? 9.please give an example for nocopy in a simple plsql query 10.create an index in a table...tellme how to use the index in a where clause to do performance tunning...

3 Answers   Satyam,

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What are the disadvantages of file system?

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What do you mean by rowid?

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