by admin | Jun 7, 2015 | sem3
data warehousing concepts What is Data Warehousing? Data warehousing is the process of constructing and using a data warehouse. A data warehouse is constructed by integrating data from multiple heterogeneous sources that support analytical reporting, structured and/or...
by admin | Jun 7, 2015 | sem3
Data Warehouse Applications Data Warehouse Applications As discussed before, a data warehouse helps business executives to organize, analyze, and use their data for decision making. A data warehouse serves as a sole part of a plan-execute-assess...
by admin | Jun 7, 2015 | sem3
Data Warehouse-overview The term “Data Warehouse” was first coined by Bill Inmon in 1990. According to Inmon, a data warehouse is a subject oriented, integrated, time-variant, and non-volatile collection of data. This data helps analysts to take informed...
by admin | Jun 7, 2015 | sem3
Data Warehouse Features The term “Data Warehouse” was first coined by Bill Inmon in 1990. According to Inmon, a data warehouse is a subject oriented, integrated, time-variant, and non-volatile collection of data. This data helps analysts to take informed...
by admin | Jun 7, 2015 | sem3
Pulse Code Modulation In a brief sentence, pulse code modulation is a method used to convert an analog signal into a digital signal. So that it can be transmitted through a digital communication network, and then converted back into the original analog signal. The PCM...
by admin | Jun 7, 2015 | sem3
Pulse Time Modulation In pulse-modulated systems, as in an analog system, the intelligence may be impressed on the carrier by varying any of its characteristics. In the preceding paragraphs the method of modulating a pulse train by varying its amplitude was discussed....
