G2.com Interview Questions and Answers

Q1. What are the different types of SQL joins and how do they function?
Ans. 
SQL joins combine rows from two or more tables based on related columns, enabling complex queries and data retrieval.
• INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;

• LEFT JOIN (or LEFT OUTER JOIN): Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;

• RIGHT JOIN (or RIGHT ...read more
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Q2. What are the differences between SQL and NoSQL databases?
Ans. 
SQL databases are structured and use schemas, while NoSQL databases are flexible and schema-less.
• SQL databases are relational, using tables to store data (e.g., MySQL, PostgreSQL).

• NoSQL databases are non-relational, allowing for various data models (e.g., MongoDB, Cassandra).

• SQL databases use structured query language for defining and manipulating data.

• NoSQL databases often use JSON-like documents or key-value pairs fo...read more
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Data warehouse concept

The CCAT test is basic verbal reasoning, spatial and numerical reasoning test

Q1. An interview with fellow campaign specialist who clearly laid out the role
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Q2. Behavioural, Marketing tools knowledge based Questions
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Q1. Why you are changing current job
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Q2. For growth reason and personal improvement purpose
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Q1. How do you contribute in your company?
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Q2. Dedication of works and with honesty
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