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Module 12: Business Rules and Field Settings.


Business Rules and Field Settings.

1. What is called view?

A logical overlay containing a query, executed whenever the view is accessed.

2. What is meant by index?

Usually a copy of a very small sections of table, such as a single field and preferable a short-length field.

3. What is called RAID array?

RAID stands for Redundant Array of Inexpensive Disk that means a bunch of small, cheap disks.

4. What is called standby database?

A failover database. A standby database has minimal activity, usually only adding new records, changing existing records, and deleting existing records.

5. What is mean by replication of a database?

A method used to duplicate and distribute data from a primary or master database, out to a number of other copies of the master database.

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