The wind blows wherever it pleases. You hear its sound, but you cannot tell where it comes from or where it is going.
Relational database management systems (RDBMS) are used when the data to be managed has formal and fixed relationships. Data is stored on disk as “rows,” and entire rows must be parsed even if individual attributes are all that’s needed. Reading one attribute from 10,000 records requires 10,000 rows to be read from the disk.
Continue reading “Databases Fundamentals”
CloudFront is a content delivery network (CDN). A CDN is a global cache that stores copies of your data on edge caches, which are positioned as close to your customers as possible. It has three main benefits: lower latency, higher transfer speeds, and reduced load on the content server.
