SQL Query Fundamentals Questions
Core SQL for reading and shaping data: SELECT, filtering with WHERE, sorting, DISTINCT, and single-table aggregation with GROUP BY, HAVING, and aggregate functions. Covers reasoning about NULL handling, grouping semantics, and writing correct queries against a given schema. The baseline query-writing surface most data and engineering interviews open with.
No published SQL Query Fundamentals questions for Software Development Engineer in Test (SDET) yet
This topic is part of the Software Development Engineer in Test (SDET) interview scope, but we have not published questions for it under this role yet. Browse the other topics in this category, or start a practice session to work through it interactively.