Practice Connecting Web Applications To Databases (1.3)

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does ORM stand for?
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Think about how databases and objects relate.
Question 2.
Why should we use environment variables?
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Consider security measures for data.
3Question 3.
What is the main purpose of an ORM?
- To write SQL queries
- To manage database connections
- To interact with the database using objects
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Think about what ORMs simplify.
4Question 4.
True or False: Using native drivers always requires writing complex SQL queries.
- True
- False
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Consider the role of abstraction.
Question 5.
Design a small web application using Sequelize ORM to manage a list of customers and their orders. Describe the models and their relationships.
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Think about the relationships: one-to-many in the context of customers and their orders.
Question 6.
Discuss the potential drawbacks of using ORM compared to native database drivers in a high-performance application.
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Consider how ORM simplifies tasks at the cost of direct control.

5 more questions in this section. Enroll free to practise them all.