Update from Sync Service

数据库/Cpu 占用过高.md

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+```sql
+SELECT TOP 10
+```
+total_worker_time/execution_count AS avg_cpu_cost, plan_handle,
+execution_count,
+(SELECT SUBSTRING(text, statement_start_offset/2 + 1,
+(CASE WHEN statement_end_offset = -1
+THEN LEN(CONVERT(nvarchar(max), text)) * 2
+ELSE statement_end_offset
+```sql
+END - statement_start_offset)/2)
+FROM sys.dm_exec_sql_text(sql_handle)) AS query_text
+FROM sys.dm_exec_query_stats
+```
+ORDER BY [avg_cpu_cost] DESC