Databases

How To Install WordPress with Caddy on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Install WordPress with Caddy on CentOS 7

WordPress is a CMS that can be used to set up blogs and websites quickly and easily. In this guide, we’ll set up WordPress with Caddy. Caddy is a new web server quickly gaining popularity for its wide array of unique features, like HTTP/2 support and automatic TLS encryption with Let’s Encrypt, a popular free certificate provider.

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How To Use Schema Validation in MongoDB — step-by-step Databases tutorial on Progressive Robot

How To Use Schema Validation in MongoDB

In MongoDB, the database engine feature that makes it possible to apply constraints on the document structure is called Schema Validation and is built around JSON Schema, an open standard for JSON document structure description & validation. In this tutorial, you’ll learn about schema validation and format requirements in MongoDB, and how to apply these to control structure of documents in a database.

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How To SELECT Rows FROM Tables in SQL — step-by-step DevOps tutorial on Progressive Robot

How To SELECT Rows FROM Tables in SQL

One of the most fundamental parts of working with databases is the practice of retrieving information about the data held within them. In relational database management systems, any operation used to retrieve information from a table is referred to as a query. In this guide, we will discuss the basic syntax of queries in Structured Query Language (SQL) as well as some of their more commonly used functions and operators.

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