SELECT, WHERE, ORDER BY, and LIMIT
Help learners understand this topic clearly, practice it on a small example, and produce reviewable evidence before moving to the next module.
Units
- Unit 02.00: SELECT, WHERE, ORDER BY, and LIMIT: Read the schema and identify the grain
- Unit 02.01: SELECT, WHERE, ORDER BY, and LIMIT: Write the query in small testable steps
- Unit 02.02: SELECT, WHERE, ORDER BY, and LIMIT: Check row counts, joins, filters, and nulls
- Unit 02.03: SELECT, WHERE, ORDER BY, and LIMIT: Explain what the query proves and does not prove
- Unit 02.04: SELECT, WHERE, ORDER BY, and LIMIT: Save the final SQL evidence note
