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Data Management

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Top Data Management
Terms to Know
Fifteen essential definitions you need to know

Fifteen Essential Data Management Terms

We know it’s not always easy to keep up-to-date
Contents

with the latest data management terms. That’s why we have put together the top fifteen terms and definitions that you and your peers need to know.

OLAP (online analytical processing) Star schema

What is OLAP (online analytical processing)

Fact table
OLAP (online analytical processing) is computer processing that enables a

Big data analytics
Data modeling
Ad hoc analysis

user to easily and selectively extract and view data from different points of view. For example, a user can request that data be analyzed to display a spreadsheet showing all of a company's beach ball products sold in Florida in the month of July, compare revenue figures with those for the same products in September, and then see a comparison of other product sales in

Data visualization
Extract, transform, load (ETL)

Florida in the same time period. To facilitate this kind of analysis, OLAP data is stored in a multidimensional database. Whereas a relational database can be thought of as two-dimensional, a multidimensional database considers each data attribute (such as product, geographic sales region, and time

Association rules (in data mining)
Relational database

period) as a separate "dimension." OLAP software can locate the intersection of dimensions (all products sold in the Eastern region above a certain price during a certain time period) and display them. Attributes such as time periods can be broken down into subattributes.

Denormalization
OLAP can be used for data mining or the discovery of previously

Master data management (MDM)

undiscerned relationships between data items. An OLAP database does not

Predictive modeling

needed for trend…...

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