Found 4382 Articles for MySQL

Data replication means copying the data at multiple locations to improve the availability of data. It is used to remove the inconsistency between the same data which results in a distributed database so that users can do their own task without interrupting the work of other users. There are various types of Data Replication in DBMS as follow − Types of Data Replication Transactional Replication It makes a full copy of the database along with the changed data. Transactional consistency is guaranteed because the order of data is the same when copied from publisher to subscriber database. It is ... Read More

Data preprocessing is an important process of data mining. In this process, raw data is converted into an understandable format and made ready for further analysis. The motive is to improve data quality and make it up to mark for specific tasks. Tasks in Data Preprocessing Data cleaning Data cleaning help us remove inaccurate, incomplete and incorrect data from the dataset. Some techniques used in data cleaning are − Handling missing values This type of scenario occurs when some data is missing. Standard values can be used to fill up the missing values in a manual way but ... Read More

Data Objects Data objects refers to a collection of various attributes which are combined to make it understandable. Data object values have their own unique id, attribute and data types. The most common type is the data table. Data objects are mostly represented in data models, which resolve with the relationship among the data objects. Types of Data Objects Array is a one-dimension data object. i.e, can be a single column in a table. Example Student Name Aman Naman Monu Records Records refers to a single row for every ... Read More

Data modeling refers to the process of handling and designing the data model within a data warehouse platform. It consists of making an appropriate database schema so as to transfer the data that can be stored and of useful to user. Data warehouse modeling is used for two reasons, first is that relationship within the warehouse data can be visualised through the schema and second is that the cost is reduced and efficiency is increased with the help of well-designed schema which allow effective data warehouse structure to occur. Data modeling is different in data warehouse than in operational database ... Read More

The process of extracting the data from a huge dataset that can be used for analysis and benefit of the organization. Data mining process generally involves the following steps − Business understanding Business understanding and client objective is necessary. Clients needs are to be defined and then using the scenario, data mining goals are defined. Data understanding Data is collected from different sources and explored to understand the properties and characteristics of data. Data preparation The data that is being collected are now selected, cleaned, transformed, preprocessed and constructed so as to make it ready for analysis. This process takes ... Read More

Optimizing MySQL tables is a crucial step in improving the performance and efficiency of your database. By employing effective optimization techniques, you can enhance query execution speed, reduce storage requirements, and optimize resource utilization. This article explores various strategies and best practices to optimize MySQL tables, allowing you to maximize the performance of your database-driven applications. In this guide, we will discuss the importance of analyzing table structure and design, selecting appropriate data types, and normalizing the database schema. We will also delve into indexing strategies, including identifying indexing opportunities and optimizing indexes for query performance. Additionally, we will explore ... Read More

In today's data-driven world, monitoring the performance and health of databases is crucial for ensuring the smooth operation of applications and the overall efficiency of your infrastructure. When it comes to monitoring MySQL or MariaDB databases on CentOS 8, Netdata emerges as a powerful and user-friendly tool. Netdata provides real-time insights into various metrics and performance indicators, allowing you to proactively identify bottlenecks, optimize resource utilization, and ensure the reliability of your database environment. In this blog post, we will explore how to set up and configure Netdata to monitor MySQL/MariaDB databases on CentOS 8. We will walk you through ... Read More

LEMP stack is a powerful combination of open source technology used for Web development and hosting. LEMP comprises Linux, which is the operating system in the combination, Nginx (pronounced as engine x) is a web server software, used to handle HTTP requests from servers, it helps the delivery of static and dynamic content. MySQL or MariaDB are used for efficient data storage and retrieval and PHP is used to construct dynamic web applications, enabling developers to communicate with databases and integrate dynamic information into HTML pages. Installing and configuring each component of LEMP, one at a time is required to ... Read More

LAMP is one of the most widely used Open source technology stacks which is used in the development of web applications. In this combination, Linux acts as the operating system, while PHP is the server side programming language. MySQL or MariaDB acts as the database management system along with apache as web server. In this article, we’ll cover how to set up the LAMP stack with PhpMyAdmin on an Ubuntu 15.04 server. With the use of LAMP (Linux, Apache, MySQL/MariaDB, PHP) components, we can build interactive and engaging Web applications. Let's understand each component of the LAMP stack: Linux ... Read More

Setting up LAMP (Linux, Apache, MySQL/MariaDB, PHP, and PhpMyAdmin) in Ubuntu Server 14.10 includes putting in and configuring an effective net improvement stack. LAMP affords an entire environment for growing and deploying dynamic web sites and net programmes. Linux serves as the running system, offering a strong and steady basis for the stack. Apache acts as the net server, managing incoming requests and serving net pages. MySQL/MariaDB serves as the relational database control system for storing and dealing with data. PHP is the scripting language used for dynamic content generation. Additionally, PhpMyAdmin is established as a net-primarily based total management ... Read More