Domanda 1: I 10 codici che richiede tempo massimoqual è la query equivalente in mysql?
select top 10
source_code,
stats.total_elapsed_time/1000000 as seconds,
last_execution_time from sys.dm_exec_query_stats as stats
cross apply(SELECT
text as source_code
FROM sys.dm_exec_sql_text(sql_handle)) AS query_text
order by total_elapsed_time desc
Query2: I 10 codici che richiede al massimo physical_reads
select top 10
source_code,
stats.total_elapsed_time/1000000 as seconds,
last_execution_time from sys.dm_exec_query_stats as stats
cross apply(SELECT
text as source_code
FROM sys.dm_exec_sql_text(sql_handle)) AS query_text
order by total_physical_reads desc
tratto da questo article
Grazie John per l'editing, questo dovrebbe rendere la domanda più chiara: come ottenere: i 10 codici principali che impiegano il tempo massimo e i 10 codici che richiedono il massimo physical_reads in MYSQL. – Bart