by admin | Jun 7, 2015 | sem3
Global System for Mobile Communications GSM Introduction: GSM is the short form of Global System for Mobile Communications. It is called 2G or Second Generation technology. It is developed to make use of same subscriber units or mobile phone terminals throughout the...
by admin | Jun 7, 2015 | sem3
data warehousing backup A data warehouse is a complex system and it contains a huge volume of data. Therefore it is important to back up all the data so that it becomes available for recovery in future as per requirement. In this chapter, we will discuss the issues...
by admin | Jun 7, 2015 | sem3
data warehousing security The objective of a data warehouse is to make large amounts of data easily accessible to the users, hence allowing the users to extract information about the business as a whole. But we know that there could be some security restrictions...
by admin | Jun 7, 2015 | sem3
data warehouse process managers Process managers are responsible for maintaining the flow of data both into and out of the data warehouse. There are three different types of process managers: Load manager Warehouse manager Query manager Data Warehouse Load Manager...
by admin | Jun 7, 2015 | sem3
data warehouse system managers System management is mandatory for the successful implementation of a data warehouse. The most important system managers are: System configuration manager System scheduling manager System event manager System database manager System...
by admin | Jun 7, 2015 | sem3
Advanced Mobile Phone System (AMPS) is an Analog mobile cell phone system standard developed by Bell Labs, and officially introduced in Americas on October 13, 1983 AMPS is a first generation cellular technology that uses separate frequencies or “channels”, for each...