What is function and procedure?

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What is sap 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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Are stored procedures faster than queries?

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Given two tables Student(SID, Name, Course) and Level(SID, level) write the SQL statement to get the name and SID of the student who are taking course = 3 and at freshman level.

9 Answers   Oracle,

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What cursor type do you use to retrieve multiple recordsets?

17 Answers   Apollo, CTS, IonIdea, Microsoft, Oracle, TCS, Vmoksha, Wipro,

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What is a full join sql?

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What is the max nvarchar size?

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What is data definition language?

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When is the explicit cursor used ?

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How do you retrieve the second highest salary from a table?

3 Answers  

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Can we write ddl statements in functions?

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