MSDS 420 Final Exam Database Systems1 (Northwestern university)

What is TRUE about regular expressions (re package) in Python. Because it is unique to Python, it is one of the reasons Python is so popular in data science. It cannot be used in conjunction with the natural language toolkit (nltk). It is especially useful in working with unstructured text. Correct! It is resource-intensive both in computer cycles and memory. It requires that we import Pandas. Ques 5 / 5 pts tion 2 A Python object-relational mapper for PostgreSQL, SQLite, and other relational databases. SQLAlchemy Correct! SQLite psycopg2 EdgeDB MySQL Ques 5 / 5 pts tion 3 An advantage that JavaScript object notation (JSON) has over a comma-delimited-text-file format (csv, comma-separated values). wide acceptance Excel compatibility flexible syntax hierarchical structure Correct! plain text