Chapter 6 Data and Business Intelligence Flashcards
data granularity
how detailed the data is
real time data
immediate up to date data
real time system
provides real time data in response to requests.
data steward
responsible for ensuring the policies and procedures are implemented across the org; liaison btwn mis dept and business
data governance
overall management of the availability, usability, and integrity of the company data.
blockchain
ledger, that consists of blocks of data that maintain a permanent tamper proof record of transactional data
data mart
contains a subset of data warehouse information (comes from the data warehouse)
data scrubbing
process that weeds out and fixes or discards inconsistent incorrect or incomplete data
dbms/rbms
creates, reads, updates, and deletes data in a database while monitoring access and security
entity & attribute
entity stores the data
attribute is the data associated with the entity
primary key
a field that uniquely identifies a given record in a table
foreign key
a primary key of one table that appears as an attribute in another
data dictionary
compiles all of the metadata about the data elements in the data model
metadata
details about data
data lake
storage repository that holds a vast amount of raw data