Nodejs: Database

A database a does one of the following for us:

• persist data

• organize data efficiently

• provides ways for manipulation and retrieval of data

• All of the options

Which of the following is not a type of database

• Relational Database

• Non Relational Database

• Entity Database

• None of the options

Data stored in a database that represent a thing, person or object is referred to as:

• Entity

• Entropy

• Records

• Class

What of the following attributes uniquely identifies a record/row in a database

• Foreign Key

• Primary Key

• Index Key

• Secondary Key

Fields/Columns are _____ within a table/collection

• attributes of data

• types of data

• records of data

• constraints of data

To establish a link between two tables/collections, what is used?

• Primary keys

• Relationship keys

• Alicia keys

• Foreign keys

One of the following is not a data aggregation method

• SUM

• AVG

• COUNT

• none of the options

What language is used to interact with relational databases?

• NoSQL

• SQL

• RQL

• Nodejs

What is the full meaning of SQL?

• Structured Query Language

• Succint Query Language

• Sequential Query Language

• Server Query Language

What process is responsible for organizing data to minimize redundancy and dependency issues?

• Reverse engineering

• Normalization

• Minimization

• Dependency Reduction