Tables, Rows, Columns, Schemas, and Relational Thinking

Help learners understand this topic clearly, practice it on a small example, and produce reviewable evidence before moving to the next module.

Units

1. Unit 01.00: Tables, Rows, Columns, Schemas, and Relational Thinking: Read the schema and identify the grain
2. Unit 01.01: Tables, Rows, Columns, Schemas, and Relational Thinking: Write the query in small testable steps
3. Unit 01.02: Tables, Rows, Columns, Schemas, and Relational Thinking: Check row counts, joins, filters, and nulls
4. Unit 01.03: Tables, Rows, Columns, Schemas, and Relational Thinking: Explain what the query proves and does not prove
5. Unit 01.04: Tables, Rows, Columns, Schemas, and Relational Thinking: Save the final SQL evidence note

Module work

• Activity
• Knowledge check
• Summary