Service Availability by Hour
Tracks the status and state of monitored services on a device. Aggregated to Hour.
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Methodology: Kimball Star Schema.
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Fact Type: Transactional
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Grain: Monitored Service Instance by hour for a device.
Service Availability by Hour schema
Service Availability by Hour table joins
FACT: FACT_SERVICE_AVAILABILITY_HOUR
| Dimension | Dimension key | Fact key | Cardinality |
|---|---|---|---|
|
DIM_TENANT |
TENANT_DK |
TENANT_DK |
1:N |
|
DIM_CUSTOMER |
CUSTOMER_SK |
CUSTOMER_SK |
1:N |
|
DIM_CUSTOMER_LATEST |
CUSTOMER_DK |
CUSTOMER_DK |
1:N |
|
DIM_SITE |
SITE_SK |
SITE_SK |
1:N |
|
DIM_SITE_LATEST |
SITE_DK |
SITE_DK |
1:N |
|
DIM_DEVICE_SUMMARY_LATEST |
DEVICE_DK |
DEVICE_DK |
1:N |
|
DIM_DATE |
DATE_DK |
EVENT_DATE_DK |
1:N |
|
DIM_TIME |
TIME_SK |
EVENT_TIME_SK |
1:N |
|
DIM_SERVICE |
SERVICE_INSTANCE_ID |
SERVICE_INSTANCE_ID |
1:N |
Boilerplate for Service Availability by Hour
Copy
Select
-- enter columns here
From SHARED_ANALYTICS_DATA.SHARED_DATA.FACT_SERVICE_AVAILABILITY_HOUR f
Join SHARED_ANALYTICS_DATA.SHARED_DATA.DIM_CUSTOMER c on f.Customer_SK = c.Customer_SK
Join SHARED_ANALYTICS_DATA.SHARED_DATA.DIM_CUSTOMER_LATEST cl on f.Customer_DK = cl.Customer_DK
join SHARED_ANALYTICS_DATA.SHARED_DATA.DIM_SITE s on f.Site_SK = s.Site_SK
join SHARED_ANALYTICS_DATA.SHARED_DATA.DIM_SITE_LATEST sl on f.Site_DK = sl.Site_DK
join SHARED_ANALYTICS_DATA.SHARED_DATA.DIM_DEVICE_SUMMARY_LATEST dl on f.Device_DK = dl.Device_DK
join SHARED_ANALYTICS_DATA.SHARED_DATA.DIM_DATE dt on f.Event_Date_DK = dt.Date_DK
join SHARED_ANALYTICS_DATA.SHARED_DATA.DIM_TIME t on f.Event_Time_SK = t.Time_SK
join SHARED_ANALYTICS_DATA.SHARED_DATA.DIM_SERVICE si on f.Service_Instance_id = si.Service_Instance_Id
-- Where clauses here
-- Group By columns here
-- Having clauses here
-- Order by columns here