CoderPad provides a basic SQL sandbox with the following schema.
You can also use commands like show tables and desc …
Group employees_projects by employee_id and filter with HAVING COUNT(DISTINCT project_id) > 1. Use DISTINCT to guard against duplicate links; join employees only if names are needed. Add indexes on employee_id/project_id (or a composite) for performance.
The VOprep team has long accompanied candidates through various major company OAs and VOs, including Apple, Google, Amazon, Citadel, SIG, providing real-time voice assistance, remote practice, and interview pacing reminders to help you stay smooth during critical moments. If you are preparing for Tiktok or similar engineering-focused companies, you can check out our customized support plans—from coding interviews to system design, we offer full guidance to help you succeed.
