Data Analyst Exercise
Please be prepared to spend 45-60 minutes on this exercise. You will need access a
computer with internet connection and a SQL workbench of your choice. The
database is Postgres. Please email back your answers and the amount of time you
spent.
Postgres Database Connection Details
PGUSER=thistle_data
PGPASS=Water.Lemon.Town
PGDB=thistle
PGPORT=5432
PGHOST=thistle-sample.crysldnompz3.us-west-2.rds.amazonaws.com
The two schemas are public and thistle_web
thistle_web.subscriptions_subscription contains subscription data for a given
customer. Customers can have more than 1 subscription.
thistle_web.subscriptions_subscriptioncancellation.subscription_id is the
foreign key for thistle_web.subscriptions_subscription.id
A row is created in subscriptions_subscription when someone enters the
checkout flow.
subscriptions_subscription.date_initialized refers to the timestamp when a
Data Analyst作业代写、代写SQL编程语言作业
customer signs up for a subscription.
There is also an etl_calendar table in the public schema
Please provide the SQL queries, results and written context for the following
requests
.
Please write a query for how many customers started the subscription flow each
month as well as the number and % that completed.
.
What is the signup success rate (# of people signing up for a subscription vs. all
people who enter the checkout flow) for meat vs. veg plans?
.
Please calculate how many customers cancel within 14 days of signing up.
.
Please calculate retention by weekly cohort. Result should look like the following:
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原文地址：https://www.cnblogs.com/comp163/p/11443402.html