Introduction In this series of articles, I’m going to introduce you to the world’s most popular key-value pair store Redis! It is an open-source data storage system that can be used for various purposes such as in-memory database, message-broker, cache, etc. We will also discuss how you can use Redis with Python in your own … Continued
Introduction There are many different types of plugins for Elasticsearch 6, all designed to improve Elasticsearch’s core functions. Plugins include JAR files and may also use scripts and configuration files. Plugins range from adding custom analyzers, discovery, mapping types and native scripts. To function properly, plugins must be installed on every node in the cluster. … Continued
Introduction MySQL and PostgresSQL are similar in some ways and dissimilar in other aspects. As open-source relational database management systems (RDBMSs), they have powerful features, performance enhancements, and other perks. Every enterprise has unique needs though, so it’s worthwhile to know as much as possible about each RDBMS before deciding. To that end, this comparison … Continued
Introduction If you’re storing data in MongoDB, you may want to query for documents from a Python script. Fortunately, this is a simple task to accomplish. In this article, we’ll show you how to pass MongoDB query strings to a Python script from a terminal window. The script will then return a query response of … Continued
Introduction Indexing document fields in a MongoDB collection helps to facilitate search queries, making the searches run more efficiently. This tutorial will show how to determine if a MongoDB index exists with the Python driver. This tutorial will also touch on how to manage a MongoDB collection’s indexes in the Compass GUI. Prerequisites A good … Continued
Introduction If you’re using Elasticsearch to store and search your data, it’s important to know that you can query your data from a number of different sources. One way to to query documents is to pass an Elasticsearch index and a query term to a Python script from a terminal window, having Python return an … Continued
Introduction Encryption is the process of encoding digital information to prevent unauthorized access and is a critical and fundamental component of any secure data-management system. MongoDB is among the leaders in providing no-nonsense NoSQL database encryption management solutions and MongoDB can accept any valid TLS/SSL certificate. SSL is an acronym standing for “Secure Sockets Layer” … Continued
Introduction This tutorial will explain how to insert MongoDB documents from JSON using the Golang driver. When using the Golang driver to insert MongoDB documents from a JSON file with Golang, MongoDB automatically creates a collection at the time of insertion, so no preexisting documents or collections are required. However, there must be a few … Continued
Introduction This tutorial will demonstrate how to connect Redis to Java with the Jedis client library for Java using Maven in Eclipse. Redis is an open-source data store that is used as a cache and database with builtin replication that supports data structures such as bitmaps, indexes, lists, sets, sorted sets and strings. Java is … Continued
Introduction The update is one of the CRUD operations provided by MongoDB. Whenever a database is created with collections and documents, it may require changes afterward. To make these changes, we use update operation. Further, sometimes we only want to update documents that match a certain condition. The update operation is one of the most … Continued
