update service restart DMV query and comment when running in Azure SQL DB

Author: williamadba

index_usage_stats.sql

@@ -1,6 +1,10 @@
 --Discover indexes that aren't helping reads but still hurting writes
 --Does not show tables that have never been written to
 
+--Cleared when SQL Server restarts. This DMV returns the service start time for both SQL Server and Azure SQL DB.
+SELECT sqlserver_start_time FROM sys.dm_os_sys_info;
+GO
+
 SELECT  DatabaseName		= d.name
 	,	s.object_id
 	,	TableName 			= ' [' + sc.name + '].[' + o.name + ']'
@@ -55,6 +59,4 @@ and is_unique_constraint = 0
 
 order by user_seeks + user_scans + user_lookups  asc,  s.user_updates desc; --most useless indexes show up first
 
-
-SELECT servicename, status_desc, last_startup_time FROM sys.dm_server_services;
 GO

missing indexes.sql

@@ -1,9 +1,13 @@
 --TODO Set current database context to desired database.
 
 --Execute this version of the script for the current desired database context only.
---Look below for an all-databases version that cannot build the CREATE statement.
+--Look below for an all-databases version, but it cannot build the CREATE statement.
 --Demo lab script to generate a missing index suggestion: toolbox\lab - missing index setup demo.sql
 
+--Cleared when SQL Server restarts. This DMV returns the service start time for both SQL Server and Azure SQL DB.
+select sqlserver_start_time from sys.dm_os_sys_info;
+GO
+
 SELECT 
 	mid.statement 
 /* --This block SQL 2017+ only
@@ -55,11 +59,6 @@ and mid.database_id = db_id()
 --order by avg_user_impact * avg_total_user_cost desc;
 order by create_index_statement;
 
-
-SELECT servicename, status_desc, last_startup_time FROM sys.dm_server_services;
-GO
-
-
 /*
 
 --All databases