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CodeHS Practice Problems

Get familiar with coding using our Practice Problems.

SQL Practice Problems

Exercise: 5pts - Unopened Hogwarts House Names

Exercise: 5pts - Unopened Last Names Only

Exercise: 5pts - Unopened First and Last Names

Exercise: 5pts - Unopened MLB Team Names

Exercise: 5pts - Unopened National League MLB Teams

Where Clauses

LEVEL 1

Exercise: 5pts - Unopened Gryffindors

Exercise: 5pts - Unopened Non-Gryffindors

Exercise: 5pts - Unopened The Potters

Exercise: 5pts - Unopened The Patils

Exercise: 5pts - Unopened McPeople

Joins

LEVEL 1

Exercise: 5pts - Unopened People and Houses

Exercise: 5pts - Unopened Multi-House Family

Exercise: 5pts - Unopened Position Count

CodeHS Practice FAQ

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