What is package in pl sql?

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Explain the usage of WHERE CURRENT OF clause in cursors ?

3 Answers  

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What are the methods of filing?

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What is difference between inner join and cross join?

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How do rank () and dense_rank () differ?

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what eliminate duplicate without using roenum and not

5 Answers   Matrix,

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What are the types of variables use in pl sql?

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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 sql commands?

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What is java sql package?

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Explain the order of sql statement execution?

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What is a unique key and primary key and foreign key?

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