Why use a READ UNCOMMITTED isolation level?

Cheatsheet on Relational Database Design A relational database is a type of database that organizes data into structured tables, also known as relations. These tables consist of rows (records) and columns (fields). Some key points to know about Relational Database Design 1 - SQL SQL is the standard programming language used to interact with rela... See more

Bitcoin is a peer-to-peer (P2P) network. Full nodes are the peers: each peer individually validates every confirmed transaction and can provide data to its user with complete authority. Lightweight wallets and other software are clients: each client depends on one or more peers to provide it with valid data. Bitcoin clients can perform secondary va

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With the blockchain, you can do all of that with the addition of a new option. You can record your activity in a permanent record that nobody else can alter or destroy. You can also control what that record reveals about you. Some, like me, use real-world names and easily identifiable details. Others--most, I think--use an anonymous identity. So, y... See more

First, if and when you need to merge two databases that now have the same Primary Key ID values for the same table, your screwed. You have to come up with a scheme to change the ID’s, maybe adding 10,000 to each ID, what if you have more than 10,000 rows? The you also have to update all children records, maybe not that easy if you have constraints ... See more