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Explore fundamental relational data concepts Microsoft Quiz Answers
Get Explore fundamental relational data concepts Microsoft Quiz Answers
Relational database systems are a common way to store and manage transactional and analytical data in organizations of any size around the world.
In this module you will learn how to:
- Identify characteristics of relational data
- Define normalization
- Identify types of SQL statement
- Identify common relational database objects
Knowledge Check
Q1. Which one of the following statements is a characteristic of a relational database?
- All columns in a table must be of the same data type
- A row in a table represents a single instance of an entity
- Rows in the same table can contain different columns
Q2. Which SQL statement is used to query tables and return data?
- QUERY
- READ
- SELECT
Q3. What is an index?
- A structure that enables queries to locate rows in a table quickly
- A virtual table based on the results of a query
- A pre-defined SQL statement that modifies data
Conclusion:
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This Problem is intended for audiences of all experiences who are interested in learning about Data Science in a business context; there are no prerequisites.
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