How do I run a program in pl sql?

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Which is faster subquery or join?

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What are all types of user defined functions?

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How can you view the errors encountered in a trigger?

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How do you declare a constant?

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I want to create synonym for table emp but in my pc it is giving insufficient previliges.I am using user scott.Please suggest me.

3 Answers  

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How do you update a value in sql?

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What are the parts of a basic sql query?

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How do you write a complex sql query?

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What are all the ddl commands?

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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 will you make performance better for application including front end and back

2 Answers   Metric Stream,

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