SQL Practice Tests 2026, 120 Questions, Verified Answers
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About This Course
This course contains the use of artificial intelligence. Here is what that means in practice, and why it is the reason to take this one rather than another. Every question in these tests is built around a small set of tables and one query. When the test was assembled, that query was executed on two independent engines, SQLite and DuckDB, and the option marked correct is the result set they both returned. A question whose stated answer disagreed with the engines could not be published, the build refuses it. A query on which the two engines disagreed could not be published either, because that ...