Why use a READ UNCOMMITTED isolation level?
stackoverflow.com
Why use a READ UNCOMMITTED isolation level?
The purpose of metadata is not simply to describe data and information assets, but rather to proactively answer questions that consumers might have about them. Where did this data come from? How up to date is it? How trustworthy is it? What business process(es) created it? What business process(es) use it? What transformations or filtering have bee... See more
Larry Burns • The Currency of Information: Managing Data as an Asset (Part Three)
Slaves are therefore read-only from the application's point of view while a master is read-write.
Alex • System Design Interview - An insider's guide
If R = 1 and W = N, we optimize for fast read. If W = 1 and R = N, we optimize for fast write. Durability is not guaranteed in the presence of failures.
Alex • System Design Interview - An insider's guide
The common thread is: identity systems create the ability to reliably associate information with a unique identifier. An identity system is more reliable, and therefore useful, the more it is:Dependable: available, fault-tolerant, tamper-resistantFlexible: can handle more types of informationAccessible: can be used across more contexts, unifying ra... See more