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Oracle SQL and PL SQL Performance Expert
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SQL Developer
Cognizant • Tiempo completo
Nov 2020 - Oct 2025 • 4 yrs 11 mos
Developed complex SQL queries and PL/SQL programs for healthcare systems. Implemented indexing strategies, improving system performance by 30%. Collaborated with application teams to integrate database logic with APIs. Maintained database coding standards and ensured high code quality. Optimized long-running queries, reducing execution time from minutes to seconds. Handled large-scale datasets (5M–15M records), ensuring efficient processing.