In the NoSQL world, there are 4 types of databases: key-value, column, document, and graph. Each one has a particular purpose, level of scalability, and model complexity.
Although it's simple to generate Laplacian random values, the Laplace distribution is not always one of the built-in options for random number generation libraries.
There are plenty of ways that apps can unintentionally misuse databases. When the abuses are pervasive, you can catch them by means of a few deft queries on various DMOs.