Please read the questions in
http://datawarehousingtesting.h2kinfosys.com
datawarehousing testing faq
Please read the questions in
http://datawarehousingtesting.h2kinfosys.com
datawarehousing testing faq
ETL testing interview questions
Please visit http://etltesting.h2kinfosys.com/
Please read the most of the questions provided here in
Data warehousing interview questions
http://etltesting.h2kinfosys.com/
data warehousing testing
etl testing
informatica testing
teradata testing
abinitio testing
Please read the most of the questions provided here in
ETL Testing faq
http://datawarehousingtesting.h2kinfosys.com/
data warehousing testing
etl testing
informatica testing
teradata testing
abinitio testing
What is Data Cardinality?
Cardinality is the term used in database relations to
denote the occurrences of data on either side of the
relation.
Key areas of activity in which favorable results are
necessary for a company to obtain its goal.
There are four basic types of CSFs which are:
Industry CSFs
Strategy CSFs
Environmental CSFs
Temporal CSFs
Data cubes are commonly used for easy interpretation
of data. It is used to represent data along with
dimensions as some measures of business needs. Each dimension of the cube represents some attribute of the database. E.g profit per day, month or year.
Data cleaning is also known as data scrubbing.
Data cleaning is a process which ensures the set of data
is correct and accurate. Data accuracy and consistency,
data integration is checked during data cleaning. Data cleaning can be applied for a set of records or multiple sets of data which need to be merged.
An extension of data mining can be used for slicing the
data the source cube in discovered data mining.
The case table is dimensioned at the time of mining a
cube.
Models in Data mining help the different algorithms in
decision making or pattern matching,which is the second stage of data mining.
EvoLve theme by Theme4Press • Powered by WordPress H2K Infosys
Data warehousing testing