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Hackerrank CertificationNerdySoftware Engineer RoleSQL - IntermediateSQL-AdvancedSQL-Basic

Youngest Employee

There are two data tables with employee information: EMPLOYEE and EMPLOYEE_UIN. Query the tables…
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valsze
October 29, 2023
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Hackerrank CertificationNerdySoftware Engineer InternSQL - IntermediateSQL-AdvancedSQL-Basic

Scheduling Errors

Write a query to return a list of professor names and their…
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valsze
October 29, 2023
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Hackerrank CertificationNerdySoftware Engineer RoleSQL - IntermediateSQL-AdvancedSQL-Basic

Largest Number of Orders

A company maintains information about its orders in table called ORDERS. Write a query…
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valsze
October 29, 2023
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Hackerrank CertificationNerdySoftware Engineer Intern

Relative Pay

Relative Pay A company maintains an EMPLOYEE table with information for each of…
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valsze
October 29, 2023
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Hackerrank CertificationNerdySQL-Advanced

Crypto Market Algorithms Report

Crypto Market Algorithms Report A number of algorithms are used to mine…
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valsze
September 14, 2023
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Hackerrank CertificationNerdySQL - Intermediate

Customer Spending

List all customers who spent 25% or less than the average amount…
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valsze
September 14, 2023
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Hackerrank CertificationNerdySQL - Intermediate

Products Without Sales

Given the product and invoice details for products at an online store,…
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valsze
September 14, 2023
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Hackerrank CertificationNerdySQL-Basic

Profitable Stocks

A stock is considered profitable if the predicted price is strictly greater…
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valsze
September 14, 2023
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Hackerrank CertificationNerdySQL-Basic

Country Code

A company wants to contact each of its customers regarding the policy…
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valsze
September 14, 2023