This is a great article. It explains the various concurrency issues in fairly plain English, which is great! I wish more people were aware of these isolation le

This is a great article. It explains the various concurrency issues in fairly plain English, which is great! I wish more people were aware of these isolation levels and their consequences. Many application developers will either a) assume the database will always figure it out for them (in other words, they assume it is always serializable, with no errors) or b) hold great fear of the database and it's mystical use of locks - this type of developer tends to avoid running queries at all cost, lest they wake the beast!