Hansa Cequity Junior Data Analyst Interview Questions and Answers

Q1. Focus on Sql,excel,guestimates
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Q2. Difference b/w candidate key and compound key
Ans. 
Candidate key is a unique key that can uniquely identify each record in a table, while a compound key is a key that consists of multiple columns to uniquely identify each record.
• Candidate key is a single column key, while compound key is a combination of multiple columns.

• Candidate key can be a primary key, while compound key cannot be a primary key if it includes non-unique columns.

• Example: In a table of students, stud...read more
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Python libraries,seaborn,matplotlib