SQL typing practice
16 hand-curated SQL snippets — real code, real syntax. Build muscle memory for the patterns you actually write. No signup required.
general
algorithms, utilities, and idiomsleetcode
interview-prep problems and solutions- duplicatesSELECT email
- secondhighestSELECT MAX(salary) AS SecondHighestSalary
- neverorderSELECT name AS Customers
- earnmoreSELECT e.name AS Employee
- risingtempSELECT w1.id
- bigcountriesSELECT name, population, area
- classmorethan5SELECT class
- deptthreeSELECT d.name AS Department, e.name AS Employee, e.salary AS Salary