Crowdly

It ensures that only one person can access the data at a time

It makes data retrieval faster and more efficient

It helps keep the data unstructured and scattered

What type of system should ShopSmart use to store all its business data in one place?

Multiple spreadsheets in different locations

A whiteboard with handwritten data

Paper records

A relational database

For the same communication scenario, match each goal with a security service.

Bob would like to be sure that Alice cannot later deny having sent the message.

Bob would like an assurance that the message Alice sent is identical to the message that Bob received.

Bob would like to be convinced that Alice sent the message.

Only Bob can read Alice’s message.

Which of the following is not an advantage of relational databases?

Reducing data cleaning requirements

Minimizing data redundancy

Easily discover relationships between variables

Storing schema free data

100%

All data repositories are databases

What is a SQL View?

A group of related tables that are linked together

A query that retrieves and displays data from one or more tables

A stored procedure that performs a set of operations on data

A physical table that stores data

which is not a Data Storage in MS Azure

LRS

ZRG

GPRS

NRS

GRS

What are AWS Cloud Services?

RDS

Route 53

EC2

Amazon simple storage (S3)