What is sql dialect?

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What is difference between function and trigger?

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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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How can you know that statistics should be updated?

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What are the pre requisites?

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What is sql partition function?

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how can we destroy the session, how can we unset the variable of a session? : Sql dba

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What is composite data type in pl sql?

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How do I save a stored procedure?

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How do I find duplicates in two columns?

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What is trigger with example?

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How pl/sql source code can be protected?

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