Review Questions

1. Which type of database stores data in columns and rows?

   1. Nonrelational
   2. Relational
   3. Key-value store
   4. Document

2. Which of the following Structured Query Language (SQL) statements can you use to write data to a relational database table?

   1. CREATE
   2. INSERT
   3. QUERY
   4. WRITE

3. Which of the following statements is true regarding nonrelational databases?

   1. You can create only one table.
   2. No primary key is required.
   3. You can’t store data with a fixed structure.
   4. You don’t have to define all the types of data that a table can store before adding data to it.

4. What is a no-SQL database?

   1. A nonrelational database without primary keys
   2. A schemaless relational database
   3. A schemaless nonrelational database
   4. A relational database with primary keys

5. What do new Relational Database Service (RDS) instances use for database storage?

   1. Instance volumes
   2. Elastic Block Store (EBS) volumes
   3. Snapshots
   4. Magnetic storage

6. Which of the following are database engine options for Amazon Relational...