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Why do we override the execute method is struts? Plz give me the details?

Why do we override the execute method is struts? Plz give me the details? '

No Answers In: Concepts-and-Architecture By: ramesh [

] Sep 6, 2010

Why Denormalization is promoted in Universe Designing?

Why Denormalization is promoted in Universe Designing? '

No Answers In: Concepts-and-Architecture By: shoeb [

] Sep 6, 2010

When can Hash Cluster used ?

When can Hash Cluster used ? Hash clusters are better choice when a table is often queried with equality queries. For such queries the specified cluster key value is hashed. The resulting hash key value...

No Answers In: Concepts-and-Architecture By: sam [

] Sep 3, 2010

What is the use of Redo Log Information ?

What is the use of Redo Log Information ? The Information in a redo log file is used only to recover the database from a system or media failure prevents database data from being written to a database's...

No Answers In: Concepts-and-Architecture By: priyanka [

] Aug 31, 2010

What is the use of Control File ?

What is the use of Control File ? When an instance of an ORACLE database is started, its control file is used to identify the database and redo log files that must be opened for database operation to proceed....

No Answers In: Concepts-and-Architecture By: jes [

] Aug 30, 2010

What is the name of the back ground process that modifies the db buffer cache?

What is the name of the back ground process that modifies the db buffer cache? '

No Answers In: Concepts-and-Architecture By: soumya [1

] Aug 29, 2010

What is the maximum number of CHECK constraints that can be defined on a column ?

What is the maximum number of CHECK constraints that can be defined on a column ? No Limit.'

No Answers In: Concepts-and-Architecture By: yogesh [

] Aug 28, 2010

What is the function of Redo Log ?

What is the function of Redo Log ? The Primary function of the redo log is to record all changes made to data.'

No Answers In: Concepts-and-Architecture By: soumya [1

] Aug 28, 2010

What is the differnece between materialized view and snapshot

What is the differnece between materialized view and snapshot A materialized view is a replica of a target master from a singlepoint in time. The concept was first introduced with Oracle7 termed asSNAPSHOT....

No Answers In: Concepts-and-Architecture By: sunil [

] Aug 27, 2010