Thread: Access Exclusive Lock

Access Exclusive Lock

From
Sameer Kumar
Date:
Hi,

I just wanted to understand what are the various commands which will acquire Access Exclusive Lock on a table? In my knowledge-

1. VACUUM FULL
2. ALTER TABLE
3. DROP TABLE
4. TRUNCATE
5. REINDEX 

I am using PostgreSQL v9.4.


Regards
Sameer
--
--
Best Regards
Sameer Kumar | DB Solution Architect 
ASHNIK PTE. LTD.

101 Cecil Street, #11-11 Tong Eng Building, Singapore 069 533

T: +65 6438 3504 | M: +65 8110 0350 | www.ashnik.com

What Causes Access Exclusive Lock?

From
Sameer Kumar
Date:
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
--
--
Best Regards
Sameer Kumar | DB Solution Architect 
ASHNIK PTE. LTD.

101 Cecil Street, #11-11 Tong Eng Building, Singapore 069 533

T: +65 6438 3504 | M: +65 8110 0350 | www.ashnik.com

--
--
Best Regards
Sameer Kumar | DB Solution Architect 
ASHNIK PTE. LTD.

101 Cecil Street, #11-11 Tong Eng Building, Singapore 069 533

T: +65 6438 3504 | M: +65 8110 0350 | www.ashnik.com