* career length stats

 * http://ergast.com/mrd/bugs/comment-page-2#comment-12128

1 files changed, 10 insertions, 0 deletions

diff --git a/views/career_length.sql b/views/career_length.sql
new file mode 100644
index 0000000..e950f32
--- /dev/null
+++ b/views/career_length.sql
@@ -0,0 +1,10 @@
+CREATE VIEW career_length AS
+   SELECT drivers.driverId,
+      COUNT(DISTINCT(results.raceId)) AS career_races,
+      DATEDIFF(MAX(races.date), MIN(races.date)) + 1 AS career_days,
+      DATEDIFF(MIN(races.date), drivers.dob) AS first_race_age,
+      DATEDIFF(MAX(races.date), drivers.dob) AS last_race_age
+    FROM results
+       JOIN races ON races.raceId = results.raceId
+       JOIN drivers ON drivers.driverId = results.driverId
+    GROUP BY results.driverId;