Debayan Roy@debayanroy2016ETL Developer at CognizantIndiaFollow BadgesProblem SolvingJavaPythonDays of CodeSqlC language CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencedebayanroy2016 has not updated employment details yet.Educationdebayanroy2016 has not updated education details yet.