111. Which Node.js module is commonly used for connecting to MySQL databases?
112. What is the primary purpose of the mysql module in Node.js?
Answer:To establish a connection to a MySQL database and perform database operations
113. In Node.js, what is the typical way to establish a connection to a MySQL database using the mysql module?
Answer:By using the mysql.createConnection() method and passing connection options
114. Which Node.js module is commonly used for connecting to MongoDB databases?
115. What is Mongoose in the context of Node.js and MongoDB?
Answer:An Object-Relational Mapping (ORM) library for MongoDB
116. What is an Object-Relational Mapping (ORM) library used for in Node.js and database connectivity?
117. Which Node.js module is commonly used for connecting to PostgreSQL databases?
118. What is the primary purpose of the pg module in Node.js?
Answer:To establish a connection to a PostgreSQL database and perform database operations
119. In Node.js, how is the connection to a PostgreSQL database typically established using the pg module?
120. In MongoDB, what is a document in the context of database connectivity?
Answer:A JSON-like data structure used to store and retrieve data
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