# Leetcode
## SQL
[584. Find Customer Referee (SQL)](/Zx-x877BSPOxjSg1mwye4w)
[1965. Employees With Missing Information (SQL)](/Z5fwtHEjTjuCNhxeCGOhtw)
[1757. Recyclable and Low Fat Products (SQL) ](/y5wKu3x4SduAcDhh2uOfoA)
[183.Customers Who Never Order(SQL)](/EZ_KW-79Scm-JaZ-eba9ZQ)
## Python ()
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