Thank you for providing the LinkedIn profile information. Based on the provided information, I will now ask a few questions to assess the candidate's suitability for the role of correcting SQL queries in active databases of large banks during migration.

1. John, your background is primarily in marketing. Can you tell us about any past experiences or projects where you've had to work with databases or SQL?

2. Have you ever encountered a situation in which you've had to troubleshoot or optimize a database query, especially in the context of large-scale data migration?

3. How familiar are you with SQL and its different dialects, such as MySQL, PostgreSQL, Oracle, or SQL Server? Can you rate your proficiency on a scale of 1-10?

4. Can you describe any relevant experience in working within the banking or financial industry, where you might have dealt with sensitive data or large-scale data management?

5. Given the technical nature of this job, how do you plan to bridge the gap between your marketing background and the database management skills required for this position?

6. In your previous roles, have you ever had to collaborate with a technical team, such as data engineers or database administrators? If so, can you share an example of a successful collaboration?

7. Can you discuss your approach to problem-solving, especially when it comes to troubleshooting database issues or optimizing SQL queries?
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