What Causes Access Exclusive Lock?

From: Sameer Kumar <sameer(dot)kumar(at)ashnik(dot)com>
To: PostgreSQL General Discussion Forum <pgsql-general(at)postgresql(dot)org>
Subject: What Causes Access Exclusive Lock?
Date: 2016-06-23 15:14:18
Message-ID: CADp-Sm7y_ddD9yWXeUAKs3rTEfd4JKXGKY0fGaCYPwi2pYTGuw@mail.gmail.com
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Hi,

I just wanted to understand what are the commands which will acquire Access
Exclusive Lock on a table? In my knowledge below operations will acquire
access exclusive lock:-

1. VACUUM FULL
2. ALTER TABLE
3. DROP TABLE
4. TRUNCATE
5. REINDEX
6. LOCK command with Access Exclusive Mode (or no mode specified)

I am using PostgreSQL v9.4.

Regards
Sameer
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Sameer Kumar | DB Solution Architect
*ASHNIK PTE. LTD.*

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