Product Operations Analyst Interview Questions and Answers

Aggregated SQL functions used daily include COUNT, SUM, AVG, MAX, MIN. UNION combines results from two or more SELECT statements. UNION ALL includes all rows, even duplicates. Cross join combines every row from one table with every row from another.

• Aggregated SQL functions: COUNT, SUM, AVG, MAX, MIN

• UNION vs UNION ALL: UNION removes duplicates, UNION ALL includes all rows

• Cross join: combines every row from one table with every row from another

• Max no rows in cross join of two 3...read more