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User locking table

2 posts in General Discussion Last posting was on 2007-08-18 11:08:46.0Z
sybase Posted on 2007-08-18 07:13:09.0Z
From: "sybase" <>
Newsgroups: ianywhere.public.general
Subject: User locking table
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Date: 18 Aug 2007 00:13:09 -0700
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Hi all,

How to know user (from the IP address) that lock or hold a table ? Im using
Sybase ASA 9.0. Tks.


Breck Carter [Team iAnywhere] Posted on 2007-08-18 11:08:46.0Z
From: "Breck Carter [Team iAnywhere]" <>
Newsgroups: ianywhere.public.general
Subject: Re: User locking table
Organization: RisingRoad Professional Services
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On 18 Aug 2007 00:13:09 -0700, "sybase" <> wrote:

>Hi all,
>How to know user (from the IP address) that lock or hold a table ? Im using
>Sybase ASA 9.0. Tks.

AFAIK SQL Anywhere doesn't have any way to go from an IP address to a
physical computer, if that's what you're asking... your network folks
may be able to help you there.

SQL Anywhere can tell you quite a bit about what is going on; see
sa_locks() and sa_conn_info() in the V9 Help. FYI, Version 10 includes
the ability to find the *row* that is locked, and the next beta of
Foxhound will display the query you can run to see the row causing a

Here are three queries that will show locks and blocks in V9:

SELECT * FROM sa_conn_info();
SELECT * FROM sa_locks();
SELECT victim.Number AS victim_connection_number,
victim.Name AS victim_connection_name,
victim.Userid AS victim_user_id,
blocker.Number AS blocker_connection_number,
blocker.Name AS blocker_connection_name,
blocker.Userid AS blocker_user_id,
"lock".table_name AS locked_table,
"lock".lock_type AS lock_type,
"lock".lock_name AS lock_name
FROM sa_conn_info() AS victim
INNER JOIN sa_locks ( max_locks = -1 ) AS "lock"
ON victim.lockname = "lock".lock_name
INNER JOIN sa_conn_info() AS blocker
ON victim.BlockedOn = blocker.Number;


Breck Carter [Team iAnywhere]
RisingRoad SQL Anywhere and MobiLink Professional Services
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