assessing knowledge of SQL, MongoDB, NoSQL
assessing knowledge of Mongo, MongoDB
SQL | Customer Data - Find all the customers whose first and last names are not unique in this database, as well as the number of times each first and last name pair appears in the database.
Available in premium plans
Create accountassessing knowledge of SQL, MongoDB, NoSQL
assessing knowledge of Mongo, MongoDB
SQL | Customer Data - Find all the customers whose first and last names are not unique in this database, as well as the number of times each first and last name pair appears in the database.
Available in premium plans
Create accountassessing knowledge of SQL, MySQL
SQL | Customer Data - Find all the customers whose first and last names are not unique in this database, as well as the number of times each first and last name pair appears in the database.
Available in premium plans
Create accountassessing knowledge of SQL
PostreSQL - Rewards Program - Write a query which will find the top 3 ranked customers according to the revenue they created with all of their orders
Available in premium plans
Create account
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