I have a lot of entries in a table that are fetched for performing jobs. this is scaled to several servers.
I have a MySql database with a query that is running really slow. I\'m trying the best I can to make it perform better but can\'t see what I\'m doing wrong here. Maybe you can?
I have a NHibernate-mapped class that holds binary data bound to a file on disk. Business logic is very simple:
I came across a situation where I started doubting whether the two-phase commit protocol really guarantees the ACID properties, especially the \'A\' part of it.
Is there an ACID framework for bulk data persistance, which would also allow some basic search capabilities? I am not looking for a full blown DBMS, but rather something fast, light and simple. Even s
If I read and write a single file using normal IO APIs, writes are guaranteed to be atomic on a per-block basis. That is, if my write only modifies a single block, the operating system guarantees that
What is the relationship between ACID and database transaction? Does ACID give database transaction or is it the same thin开发者_运维技巧g?
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MySql InnoDB is set autocommit off and used default isolation level REPEATABLE READ. There are two scenarioes that two distinct transactions T1 and T2 run in the time sequence below,
One of the first sample schemas you read about in the HBase FAQ is the Student-Course example for a many-many relationship. The schema has a Courses column in the Student table and a Students column i
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