Local Secondary Index vs. Global Secondary Index
Secondary Index A secondary index is used in databases to help speed up queries when we want to grab data from popular columns or if we »
Data stores in Software Architectures
Use Cases There are many ways to store your data. In this article we'll walk through some examples of data storage in common system designs. Reminder: »
Storing passwords into a database
Don'ts Don'ts Don't put raw passwords in the database Don't put encoded passwords in the database (i.e. Base64) Don't put simple hashed passwords in the »
Atomic operations with Elasticsearch
Preface Elasticsearch is a distributed, open source search and analytics engine for all types of data, including textual, numerical, geospatial, structured, and unstructured. Key Terms: Document »
B-Trees vs. LSM Trees
B-Trees Modern databases are typically represented as B-Trees or LSM Trees (Log structured merge trees). B-trees are "tried and true" data structures that are popular in »