Run the database gates

Exercise and reference answers

Questions

1. Correct

   Relational

   Choices

   1. Relational
   2. NoSQL
   3. Neither

2. Correct

   NoSQL

   Choices

   1. Relational
   2. NoSQL
   3. Neither

3. Correct

   Primary key

   Choices

   1. Primary key
   2. Candidate key
   3. Neither

4. Correct

   Candidate key

   Choices

   1. Primary key
   2. Candidate key
   3. Neither

5. Correct

   Select

   Choices

   1. Select
   2. Project
   3. Neither

6. Correct

   Project

   Choices

   1. Select
   2. Project
   3. Neither

Instructions

Pick the model, then the key, then the operator.

Explanation