What is rowtype?

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how to delete duplicate rows from a specified table(only single table) how do you know which join is need to be used

11 Answers   UST,

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list out some tools through which we can draw e-r diagrams for mysql. : Sql dba

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What is view? Can we update view

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What is sql and db2?

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Which sql statement is used to return only different values?

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Why do we need a foreign key?

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What is intersect?

1 Answers  

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What is the difference between joins?

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what is constraining table?

2 Answers  

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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 is the use of <> sql?

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