Technology LearningSQL Lab
HEALTH DATABASE CLINIC
BOOK 14
Questions Inside Questions (Subqueries)
M.R. Sterling
Health Database Clinic · Book 14 of 16
Questions Inside Questions (Subqueries)
A practical guide to nesting queries with subqueries to answer layered healthcare data questions.
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What is inside
How this book teaches.
- Every code example was run, and its exact output is printed beside it
- One idea per chapter, in plain English, for readers whose first language is not English
- Worked examples you can follow line by line
- Practice questions with answers, so you can check yourself
Cheat Sheet
DATABASECHEAT SHEETS
SHEET 06
Counting, Grouping and Subqueries
M.R. Sterling
Revise it in two pages
Cheat sheet 06: Counting, Grouping and Subqueries
A two page revision sheet on this topic, printed front and back. SQLite queries, each one run.
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