Tutor profile: Thuc T.
Subject: Python Programming
What is the time complexity of accessing a value in a dictionary?
The time complexity of accessing a value in a dictionary is O(1).
Subject: Machine Learning
What is the difference between supervised and unsupervised learning?
Supervised learning is working with labeled data to determine the outcome of a specific label. Unsupervised learning is working with unlabeled data to find correlations across a dataset.
What is the difference between a relational database and a nosql database?
Relational databases are normalized, which reduces data redundancy and shares data across tables. Nosql databases are document-oriented storage where given a key, there is a document of corresponding values.
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