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Please differentiate these sql statement

Posted By: Deco     Posted Date: September 16, 2010    Points:2   Category :Sql Server
what are all the difference between SP_Who and Sp_Who2?

Author: Rajshree             
Posted Date: September 17, 2010     Points: 5   

SP_Who2: The usage of sp_who2 is to diagnose system slowdowns

SP_Who: Provides information about current Microsoft® SQL ServerT users and processes. The information returned can be filtered to return only those processes that are not idle.

Author: Akhil Raj       [Moderator]      
Posted Date: September 18, 2010     Points: 5   

sp_who2 is an Undocumented/Upgraded extension of sp_who.

This will provide the following options,

1. System process ID.
2. Status of the process.
3. Login name of the user.
4. Name of the user. I
5. f the process is blocked, the SPID of the blocking process.
6. Database the process is using.
7. Command currently being executed.


Along with the above options, sp_who2 will provide the following additional linformations

1. Total CPU time of each process.
2. Total amount of disk reads for each process.
3. Last time a client called a procedure or executed a query.
4. Application connected.

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