A median-priced home in Houston costs $199,300 and requires a salary of $49,983.37 to afford monthly payments of $1,166.28. San Francisco topped the list for the highest salary required to purchase a median-priced home, which costs $742,900.
A centralized database is a collection of information at a single location accessible from numerous points, in contrast with a distributed database where the information is spread out across multiple sites.
MongoDB - Sharding. Sharding is the process of storing data records across multiple machines and it is MongoDB's approach to meeting the demands of data growth. As the size of the data increases, a single machine may not be sufficient to store the data nor provide an acceptable read and write throughput. Sharding solves the problem with horizontal scaling. With sharding, you add more machines to support data growth and the demands of read and write operations. Why Sharding?