แท็กคำถาม GCP ตามเดือน ไม่จำเป็นต้องใช้ตารางทั้งหมด
GCP Questions Tags by Month.It is not neccessary to use all the tables.
 ReviewTaskTypes:  Id [ number]  Name [ text]  Description [ text] 
SELECT COUNT(*) AS count, CONCAT(MONTH(p.CreationDate), '/', YEAR(p.CreationDate)) AS date, t.TagName FROM Posts AS p, Tags AS t, PostTags AS pt WHERE pt.PostId = p.Id AND pt.TagId = t.Id AND LOWER(t.TagName) IN ('google-cloud-dataflow', 'google-cloud-datastore', 'google-cloud-dns', 'google-cloud-endpoints', 'google-cloud-messaging', 'google-cloud-platform', 'google-cloud-sql', 'google-cloud-storage', 'google-cloud-trace', 'google-compute-engine', 'google-app-engine', 'google-container-engine', 'google-bigquery', 'google-datastore', 'google-app-engine-python', 'google-prediction', 'google-cdn', 'google-container-registry', 'google-cloud-console') AND p.CreationDate > '2014-01-01' GROUP BY t.TagName, CONCAT(MONTH(p.CreationDate), '/', YEAR(p.CreationDate))