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Write short notes on data ware housing?
Data ware housing applications needs the transformation of data from many sources into a cohesive reliable step set of data configured appropriately for use in data ware house operation.
Distributed Transformation services
Data ware housing is an approach to manage data in which heterogeneous data sources are migrated to a divide homogeneous data base
Online Analytical processing services
OLAP services give server and client capabilities to make and manage multidimensional OLAP data.
What is a B+-Tree index? A B+-Tree index takes the form of a balanced tree in which each path from the root of the root of the root of the tree to a leaf of the tree is of the
Write short notes on data ware housing? Data ware housing applications needs the transformation of data from many sources into a cohesive reliable step set of data configured a
Attributes and its types explain?
Describe in brief about the Sequence Diagrams Sequence diagrams are interaction diagrams which emphasize time ordering of messages. In UML, it is shown as a table which shows
WHAT IS MEANT BY E-R MODEL
What is the role of ORDER By Clause? ORDER BY clause: The ORDER BY clause permits you to sort the records in your result set. The ORDER BY clause can just be used in select s
What is DDL? Make a list of commands with short description used in DDL Ans: Data Definition Language that is abbreviated as DDL is a computer language for defining data struct
What is meant by Physical blocks? The input and output operations are completed in block units. The blocks residing on the disk are referred to as physical blocks.
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
Describe queries with complex types? The present extension of the SQL query language deal with the complex type Let us start with the simple example: Find the title and t
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