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Choose the best response for each of the questions below.
Which one of the following statements is a characteristic of a relational database?
All data must be stored as character strings.
A row in a table represents a set of related data.
Different rows in the same table can contain different columns.
What is an index?
A structure that enables you to locate rows in a table quickly, using an indexed value.
A virtual table based on the result set of a query.
A structure comprising rows and columns that you use for storing data.
Which one of the following statements is a benefit of using a PaaS service, instead of an on-premises system, to run your database management systems?
Increased day-to-day management costs.
Increased scalability
Increased functionality
You must answer all questions before checking your work.
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