Overview Gaining popularity first in the 1980s for its stonewashed signature jeans, GUESS?, Inc. has morphed into a fashion powerhouse with unique, on-trend clothing, shoes, and acces- sories from season to season. From its first store in Beverly Hills have come 1,638 stores in 92 countries. Consumers can also shop via a mobile app and the online site at guess.com. Challenge From GUESS?’s vantage point, data analyt- ics is imperative for continued retail success. However, the Los Angeles, California-based company was hampered by its Oracle enterprise data warehouse (EDW). Daily batch loads took up to five hours, ETL development was time- consuming, and complex queries did not al- ways finish. In addition, database maintenance affected availability, data growth was capped at 3

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