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SQL Date & Time Practice with Built-In Visualizer
Master SQL date and time operations including DATE(), strftime(), JULIANDAY(), date arithmetic, month/year extraction, and time-series aggregation. These skills are essential for cohort analysis, retention metrics, and time-based reporting in data science interviews.
70
SQL Problems
Difficulty Breakdown
70 problems19 Easy(27%)
37 Medium(53%)
14 Hard(20%)
0 Expert(0%)
Skills You'll Practice
62 skillsadtechaggregationavgbankingboolean logiccasecase whencastcoalescecomputed columncorrelated subquerycountcount distinctctedata bucketingdatedate arithmeticdate differencedate extractiondate functiondate timeday of weekfilteringfintechfood deliverygroup byhealthcareinner joinjoinjoinsjuliandaylagleft joinlodginglogisticsmaxminmin maxmobilitynull checknull handlingorder bypaymentsreal estateretailroundsaassingle tablesocialsortingstreamingstrftimesubquerysubstrsumtelecomthree table jointie breakerstwo table joinwherewindow fnswindow function
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Practice with 1,625 problems across SQL and Python — window functions, joins, pandas, and more.
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