Given a purchase table(user, purchase_time, amount_of_money, level1_category, level2_category), write a sql query to find the customer purchase in continue 7 days and with the total money greater than 500
Data Interview Questions
132,711 data interview questions shared by candidates
What does SQL stand for
what do you look for a company
Describe different JOINs in SQL. Having a categorical variable with thousands distinct values, how would you encode it? How to find linear trends in time series. How to find the flow in a matrix showing temperature. ...
If you take 3 subsequent number (n, n+1, n+2) and know, that n and n+2 are prime numbers, can you proove, that n+1 is always dividable by 6?
What would you do if your manager was leaking company confidential information?
What is AUC? What lies on x-axis and y-axis of AUC curve?
How can you deal with people who don't know the process.
Tell me about yourself. Past experience What is your biggest challenge or difficult assignment.
What is EBITDA?
Viewing 411 - 420 interview questions
See Interview Questions for Similar Jobs
Noc OperatorDatacenter TechnicianConfiguration Management AnalystCirculation ManagerComputer OperatorManager Marketing AnalyticsMedical Office SpecialistMedical Claims ProcessorMedical Billing ClerkMarketing Analytics ManagerMedical ClerkManager AnalyticsMailroom ClerkMail SorterMedical Office ReceptionistMedical Office ClerkMail Room ClerkMedical Record Retrieval SpecialistManual Software Tester