What is described by the following?

A consolidated/integrated view of corporate data drawn from disparate operational data sources and a range of end-user access tools capable of supporting simple to highly complex queries to support decision making

What architectural option of DBaaS is the following?

Which is NOT one of the benefits of cloud computing?

Which service model of cloud computing is described by the following?

This service model allows creation of web applications without buying/maintaining the software and underlying infrastructure. Provider manages the  infrastructure including network, servers, OS and storage, while  customer controls deployment of applications and possibly configuration. 

What is described by the following?

This is a key technology to support B2B (Business to Business). It is a software system designed to support interoperable machine-to-machine interaction, sharing business logic, data, and processes through a programmatic interface across a network. 

What is the cardinality of the following relation?

What architecture is shown in the following diagram (this architecture is used for most commercial DBMSs)?

What kind of system is illustrated by the following?

What kind of system is illustrated by the following?

What is described by the following?

Refers to immunity of conceptual schema to changes in the internal schema.

Internal schema changes (e.g. using different file organizations, storage structures/devices) should not require change to conceptual or external schemas.