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A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain

SQL

Difficulty

medium

Seniority

L5

Problem

What percentage of all transactions were completed on the same day the customer first registered? Return a single number rounded to 2 decimal places.

Summary

Percentage of transactions on the signup date.

Practice This Problem

Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and grades it automatically.