diff --git a/doc/lab4design.txt b/doc/lab4design.txt index 1af54d5a77d74a542e72852bcf875b332397b0e2..ff36d74f624876019bba63cea9f8d5f93a5034d3 100644 --- a/doc/lab4design.txt +++ b/doc/lab4design.txt @@ -57,13 +57,20 @@ to write explanatory notes after your output. C1. EXPLAIN SELECT * FROM cities WHERE population > 5000000; -C2. EXPLAIN SELECT store_id FROM stores, cities WHERE stores.city_id = cities.city_id AND +C2. EXPLAIN SELECT store_id FROM stores, cities + WHERE stores.city_id = cities.city_id AND cities.population > 1000000; -C3. EXPLAIN SELECT store_id FROM stores JOIN (SELECT city_id FROM cities WHERE population > 1000000) AS big_cities ON stores.city_id = big_cities.city_id; +C3. EXPLAIN SELECT store_id FROM stores JOIN + (SELECT city_id FROM cities + WHERE population > 1000000) AS big_cities + ON stores.city_id = big_cities.city_id; -C4. EXPLAIN SELECT store_id, property_costs FROM stores, cities, states WHERE stores.city_id = cities.city_id AND - cities.state_id = states.state_id AND state_name = 'Oregon' AND property_costs > 500000; +C4. EXPLAIN SELECT store_id, property_costs + FROM stores, cities, states + WHERE stores.city_id = cities.city_id AND + cities.state_id = states.state_id AND + state_name = 'Oregon' AND property_costs > 500000; D: Extra Credit [OPTIONAL] ---------------------------