Data Interview Questions
Practice real interview questions for Data & AI roles, and build the skills that get you hired.
Showing 68 of 68 questions
VisaCross-border share by card tierConditional logichard
Best BuyPro productsFilteringeasy
WalmartTotal completed revenueAggregationseasy
TargetProducts launched in 2024Dateseasy
AmazonProducts with no brandNULL handlingeasy
SalesforceWin rate by sales repConditional logicmedium
DoorDashDelivery time by cuisineDatesmedium
MastercardMerchants with high fraud ratesAggregationsmedium
DoorDashTop restaurant in each cityWindow functionshard
SalesforceDepartment headcount and payAggregationsmedium
AmazonTop spending customersJoinshard
StripeMonthly completed revenueAggregationshard
NetflixMost-watched title in each countryWindow functionshard
Best BuyBig orders or a loyal customerLogical operatorsmedium
WorkdayEmployees and their managersJoinsmedium
AirbnbCancellation rate by room typeConditional logicmedium
MetaHighest paid in each departmentSubquerieshard
WalmartOrder sequence per customerWindow functionsmedium
AmazonCustomers without ordersJoinsmedium
MetaPosting on consecutive daysWindow functionshard
StripeRevenue by countryJoinsmedium
NetflixCompletion rate by content typeConditional logicmedium
Best BuyCompare with the previous orderWindow functionshard
WalmartPrice after discountNULL handlingmedium
UberCompleted trips by hour of dayDatesmedium
TargetShow missing discounts as zeroNULL handlingeasy
UberFare per kilometer by cityCalculationsmedium
AmazonOrders from enterprise customersSubqueriesmedium
Best BuyElectronics and accessoriesFilteringeasy
VisaMonth-over-month spend changeWindow functionshard
WalmartProducts under 50Filteringeasy
GooglePaid above the department averageSubquerieshard
WalmartOrders per calendar monthDatesmedium
AmazonThe busiest customerSubqueriesmedium
Capital OneMissed minimum paymentsAggregationsmedium
AmazonAverages that skip NULLsNULL handlinghard
StripeCompleted versus other ordersConditional logicmedium
AmazonLarge orders with customer namesJoinseasy
Best BuyEven-numbered ordersCalculationseasy
MastercardCard-testing patternsAggregationshard
LinkedInHires per yearDateseasy
TargetUnfinished orders over 50Logical operatorseasy
AmazonPrice bandsConditional logiceasy
MetaAverage reactions per post typeJoinsmedium
WalmartCounting what is recordedNULL handlingmedium
MicrosoftSalary against department totalWindow functionsmedium
StripeOrder amount with taxCalculationseasy
Best BuyOrders placed in March 2024Dateseasy
TargetOrders per customerAggregationseasy
NetflixSalary rank within departmentWindow functionsmedium
TargetCustomers with repeat ordersAggregationsmedium
TargetClearance candidatesLogical operatorseasy
GoogleEmployee seniorityConditional logicmedium
StripeRunning revenue over timeWindow functionshard
AmazonStock statusConditional logiceasy
Best BuyIn-stock electronicsLogical operatorseasy
AmazonOrders per customer segmentJoinsmedium
TargetActive productsFilteringeasy
Capital OneHigh credit utilizationCalculationsmedium
StripeOrders in a price rangeFilteringeasy
SalesforceAverage sales cycleDatesmedium
WalmartCustomers outside the US and MexicoFilteringeasy
WalmartOrders above the averageSubquerieseasy
StripeDays from signup to first orderDatesmedium
WalmartInventory valueCalculationseasy
AirbnbNights booked per cityDatesmedium
TargetOrders by statusAggregationseasy
WalmartWeekend ordersDatesmedium