Data Science, Analytics, Programming, Software Development, Sql.
hard to implement in SQL. … Due to the limitation of space, we only present the SQL code for e-commerce funnel calculation below to feel its complexity. with e1 as ( select uid,1 as step1,min(etime) as t1 from event where etime>= to_date('2021-01-10') and etime<to_date('2021-01-25') and