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  1. Certification Tests

SQL (Advanced) Certificate

Gregorius Bayu Aji Wibisono's HackerRank Certificates

Certificate: SQL (Advanced)

skill

SQL (Advanced)

It covers topics like query optimization, data modeling, Indexing, window functions, and pivots in SQL.

Standout from the crowd

Take the HackerRank Skills Certification Test and make your profile stand out to employers and peers
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