CREATE TABLE Skills (skill_description VARCHAR2, skill_id VARCHAR2)
CREATE TABLE Engineer_Skills (engineer_id VARCHAR2, skill_id VARCHAR2)
CREATE TABLE Maintenance_Engineers (first_name VARCHAR2, last_name VARCHAR2, other_details VARCHAR2, engineer_id VARCHAR2)

List all every engineer's first name, last name, details and coresponding skill description.
SELECT T1.first_name, T1.last_name, T1.other_details, T3.skill_description FROM Maintenance_Engineers AS T1 JOIN Engineer_Skills AS T2 ON T1.engineer_id = T2.engineer_id JOIN Skills AS T3 ON T2.skill_id = T3.skill_id
SELECT "T1"."first_name", "T1"."last_name", "T1"."other_details", "T3"."skill_description" FROM "Maintenance_Engineers" "T1" JOIN "Engineer_Skills" "T2" ON "T1"."engineer_id" = "T2"."engineer_id" JOIN "Skills" "T3" ON "T2"."skill_id" = "T3"."skill_id"