How data files work??
http://youtu.be/bN_NW1Z3pkM
current running queries in sql
SELECT r.session_id, s.TEXT, r.[status], r.blocking_session_id, r.cpu_time, r.total_elapsed_time FROM sys.dm_exec_requests r CROSS APPLY sys.dm_exec_sql_text(sql_handle) AS s 1) When an application reports a memory pressure issue – use the DMV to identify the current load and choose a session that may be causing a problem. view source print? 1. SELECT * FROM sys.dm_exec_sessions 2) The memory_usage column returns the number of pages used by this session. ORDER BY memory_usage DESC and analyse the session. It may not be the session causing performance hit , but a methodical approach is important. view source print? 1. SELECT * FROM sys.dm_exec_sessions ORDER BY memory_usage DESC 3) Create a query to join with sys.dm_exec_requests. The sys.dm_exec_requests DMV returns detailed information about executed requests in SQL Server. This query includes a CROSS APPLY to sys.dm_exec_sql_text. view source print? 01. select es.session_id,es.memory_usage,sql_h...
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