Introduction Let us make our way through some basics as we get into how to change a field name using the MongoDB Shell. MongoDB is a NoSQL database. It means there are no tables in MongoDB. It stores data in the JSON format. The data is stored in the documents which in turn are stored … Continued
Introduction MongoDB is a NoSQL database, that means, there are no tables. Data is stored in JSON format. A single collection can consist of multiple documents. There can be thousands of documents in a single collection. We don’t always need to go through every document. We can skip the documents using the skip method. In … Continued
Introduction Grouping by date is super common when retrieving data from your database. The date functions are immensely used in modern web development. Dates are valid data types in MongoDB. We can store dates in MongoDB using date or ISODate function. Storing data along with dates is useful in various ways. We can sort the … Continued
Introduction In this article we’ll show you how to iterate on MongoDB Documents through a couple different methods in the MongoDB shell. The documents in MongoDB contain data in JSON format, i.e. key-value pairs. The documents, in turn, are stored in collections. We use the find method to get all the documents inside a collection. … Continued
Introduction Parsing data results in the string information being separated and processed into manageable types of data. The outcome is that the data components are tagged, easily retrieved, and ready to be analyzed in the response results from your queries. Know that parsing is a process. The Python client library uses the methods indices.stats() and … Continued
Introduction If you’re working with Python and Elasticsearch, it’s important to make sure you’ve lined up all the tools you need to get the job done efficiently. One key tool is Python’s JSON library. This built-in JSON library seamlessly converts Python dict (dictionary) type objects into JSON strings and vice versa, making it easy to … Continued
Introduction In almost every application of a database you will at some point need to store dates and times. You may need to store the the birthdate of a user or the date and time an article was published. PostgreSQL offers timestamp and timestamptz along with tons of utility functions that will allow you to … Continued
Introduction This tutorial will explain how to create a Python class construct for Elasticsearch documents. All variables and pieces of data are fundamentally “objects” in Python programming language. As all objects have attributes and properties, having a solid understanding of the OOP, or Object-Oriented programming, concept is essential to learning the Python fundamentals. Creating a … Continued
Introduction The Explain API in Elk stack provides detailed information about an Elasticsearch query’s score. The Explain API calculates a score “explanation” for the query of a particular document, providing useful feedback on whether or not a document matches a specific query. This tutorial will cover how to parse Elasticsearch query data with explain API … Continued
Introduction This tutorial will explain how to connect PHP to PostgreSQL with the PDO driver and create the PHP project structure with Composer, a dependency-management tool in PHP. Compose allows for verifying the libraries a project requires and it will install and update the libraries as needed. Be sure all the prerequisites are properly in … Continued
