Data 6.4.2

Question 1

Data warehousing (DW)

Answer 1

Is a central collection of key data, integrated into a pre-defined format.

Question 2

Data cleaning

Answer 2

The process of going through data and looking for errors, correcting them, or excluding data where errors have been located.

Question 3

Data lakes (DL)

Answer 3

DL’s are data stores that hold data in an unstructured way.

Question 4

Big data

Answer 4

Data stored in either a data warehouse or data lake can be referred to as BIG DATA. Which are very large data sets that can be analysed to produce info on trends and patterns.

Question 5

Data mining

Answer 5

Data mining is used by org’s to process and analyse raw data. Software is used to look for trends and patterns in big data sources such as data warehouses or lakes.

Question 6

Data reporting

Answer 6

Takes data and converts it into information