Tag: MySQL
The data type is defined as the type of data that any column or variable can store in MS SQL Server. What is the data type? When you create any table or variable, in addition to specifying a...
FlexibilityOne of the most advertised features of MongoDB is its flexibility. Flexibility, however, is a double-edged sword. More flexibility means more choices when modeling data (this reminds...
PreambleMost Linux distributions come with MySQL.If you want to use MySQL, my recommendation is that you download the latest version of MySQL and install it yourself. Later you can update it to...
PreambleWhen administering PostgreSQL database servers, one of the most common tasks you will probably perform is enumerating databases and their tables. PostgreSQL comes with an interactive...
PreambleSometimes you need to select random entries from a table, for example: Highlight a few random blog posts and display them in the sidebar.Choose a random quote to display the Quote of...
PreambleThe MySQL development team is pleased to announce the release of a new 8.0 version to support MySQL Shell AdminAPI – 8.0.20!After the previous exciting release, which introduced...
PreambleMySQL is an open-source relational database server tool for Linux operating systems. It is widely used in modern web technologies and is part of the popular “LAMP” software...
PreambleIn this article, you will learn how to query today’s date data in MySQL using the built-in date functions.Getting today's date in MySQL using built-in date functionsSometimes you may...
PreambleIt is easy to select the highest or lowest entry in the database table using the MAX or MIN function. However, it is a bit difficult to select the n highest record. For example, to get...
MySQL is an open-source database management system (DBMS) from Oracle. It was developed and optimized specifically for web applications. MySQL is an integral part of such web services as...
In this article, we will learn how to connect to a MySQL database from Java code and execute simple queries to retrieve and update data. In order to access the database, we will use the JDBC...
PreambleWhen you need to select a DBMS, the main question is usually to select a relational (SQL) or non-relational (NoSQL) structure. Both options have their advantages, as well as several key...
PreambleDatabase plays an important role in every modern web application. Due to the dynamic nature of web applications nowadays, even the simplest applications require some storage, access, and...
When switching from MS SQL to MySQL, apart from data migration, you must also transfer the application code, which is in the database.Earlier we discussed how to move MS SQL to a MySQL...
MySQL is the most popular open-source relational database management system. It is fast, easy to use, scalable, and an integral part of the popular LAMP and LEMP stacks.This article explains...
Before starting to create an SQL table, it is necessary to define the database model. Design an ER diagram in which to define the entities, attributes, and relationships. Basic...