Cerebrumx Labs Associate Data Analyst Interview Questions and Answers

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Q1. How do you join two tables in SQL
Ans. 
Joining two tables in SQL involves using the JOIN keyword and specifying the columns to join on.
• Use the JOIN keyword followed by the name of the second table

• Specify the columns to join on using the ON keyword

• There are different types of joins such as INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN

• Example: SELECT * FROM table1 JOIN table2 ON table1.column = table2.column
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Q2. What is object oriented programming language
Ans. 
Object oriented programming language is a programming paradigm that uses objects to represent data and methods to manipulate that data.
• Object oriented programming languages include Java, Python, C++, Ruby, and many others.

• Objects are instances of classes, which define the properties and behaviors of the object.

• Encapsulation, inheritance, and polymorphism are key concepts in object oriented programming.

• Example: In Java,...read more
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