Update howto-configure-and-access-logs.md

Added sample queries for 5 new log categories

Author: seernu

articles/postgresql/flexible-server/howto-configure-and-access-logs.md

@@ -45,24 +45,66 @@ For Azure Monitor Logs, logs are sent to the workspace you selected. The Postgre
 
 The following are queries you can try to get started. You can configure alerts based on queries.
 
-Search for all Postgres logs for a particular server in the last day
+Search for all Postgres logs for a particular server in the last day.
 
 ```kusto
 AzureDiagnostics
 | where Resource == "myservername"
 | where Category == "PostgreSQLLogs"
 | where TimeGenerated > ago(1d) 
 ```
-
-Search for all non-localhost connection attempts
+Search for all non-localhost connection attempts. Below query will show results over the last 6 hours for any Postgres server logging in this workspace.
 
 ```kusto
 AzureDiagnostics
 | where Message contains "connection received" and Message !contains "host=127.0.0.1"
 | where Category == "PostgreSQLLogs" and TimeGenerated > ago(6h)
 ```
 
-The query above will show results over the last 6 hours for any Postgres server logging in this workspace.
+Search for PostgreSQL Sessions collected from `pg_stat_activity` system view for a particular server in the last day.
+
+```kusto
+AzureDiagnostics
+| where Resource == "myservername"
+| where Category =='PostgreSQLFlexSessions'
+| where TimeGenerated > ago(1d) 
+```
+
+Search for PostgreSQL Query Store Runtime statistics collected from `query_store.qs_view` for a particular server in the last day. It requires Query Store to be enabled.
+
+```kusto
+AzureDiagnostics
+| where Resource == "myservername"
+| where Category =='PostgreSQLFlexQueryStoreRuntime'
+| where TimeGenerated > ago(1d) 
+```
+
+Search for PostgreSQL Query Store Wait Statistics collected from `query_store.pgms_wait_sampling_view` for a particular server in the last day. It requires Query Store Wait Sampling to be enabled.
+
+```kusto
+AzureDiagnostics
+| where Resource == "myservername"
+| where Category =='PostgreSQLFlexQueryStoreWaitStats'
+| where TimeGenerated > ago(1d) 
+```
+
+Search for PostgreSQL Autovacuum and Schema statistics for each database in a particular server within the last day.
+
+```kusto
+AzureDiagnostics
+| where Resource == "myservername"
+| where Category =='PostgreSQLFlexTableStats'
+| where TimeGenerated > ago(1d) 
+```
+
+Search for PostgreSQL remaining transactions and multixacts till emergency autovacuum or wraparound protection for each database in a particular server within the last day.
+
+```kusto
+AzureDiagnostics
+| where Resource == "myservername"
+| where Category =='PostgreSQLFlexDatabaseXacts'
+| where TimeGenerated > ago(1d) 
+```
 
 ## Next steps