Question : Serializable isolation mode can be used to avoid race conditions when upserting equal ids. So for create table […]
Tag: serialization
How do I implement insert-if-not-found for transactions at serializable isolation level?
Question : I’m having a hard time figuring out how to exactly implement a ‘insert if not found’ function. Consider […]
Does READ COMMITTED always start over after serialization failures while SERIALIZABLE simply fails?
Question : On the PostgreSQL Concurrency With MVCC page, it says: know what you’re thinking though: what about a two […]
Postgres: turn off formating for xml export?
Question : I want to export some table to xml file: o output.xml SELECT table_to_xml(‘modified_records’, TRUE, TRUE, ”); However, I’m […]
Does READ COMMITTED always start over after serialization failures while SERIALIZABLE simply fails?
Question : On the PostgreSQL Concurrency With MVCC page, it says: know what you’re thinking though: what about a two […]
What is an Intent Lock in SQL Server
Question : I have this query SET TRANSACTION ISOLATION LEVEL SERIALIZABLE BEGIN TRAN UPDATE c SET c.Score = 2147483647 FROM […]
Does SQL Server’s serializable isolation level lock entire table
Question : Me and a colleague of mine discussed the implications of use of the serializable isolation level. He said […]
Forced serialization on inline table valued function
Question : Apologies if this is a stupid question. We are attempting to convert our multi-statement table valued functions (MSTVFs) […]