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...
by admin | Jun 7, 2015 | sem3
data warehousing data mart Listed below are the reasons to create a data mart: To partition data in order to impose access control strategies. To speed up the queries by reducing the volume of data to be scanned. To segment data into different hardware platforms. To...
by admin | Jun 7, 2015 | sem3
data warehouse metadata concepts Metadata is simply defined as data about data. The data that is used to represent other data is known as metadata. For example, the index of a book serves as a metadata for the contents in the book. In other words, we can say that...
