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mysql

Using Random Numbers in MySQL – A few use cases

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Share it!Although you might not expect it, random numbers are used in databases quite often, especially when generating dummy data, providing randomized lists of products, to name just a couple. For instance, let’s say you have a table named “productData”… Continue Reading →


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Left, Right or Cross? Different types of SQL joins explained

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Share it!When working with databases, SQL joins (Structured Query Language table joins) are used to combine rows from two or more tables, based on a related set of columns between them. In this article, we’ll take a look at the different… Continue Reading →


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Bulk Upload custom posts to WordPress

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Share it!WordPress is a flexible CMS and allows to manage a large number of posts that doesn’t limit users to regular “posts” and “pages” types of content through the use of custom posts. WordPress also has built-in post import tools… Continue Reading →


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Spatial indexes to speed coordinate-based searches

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Share it!Search operations in databases are usually optimized using indexes as well as careful data modeling. This is also true for coordinate-based databases by using spatial indexes. Optimizing spatial searches is possible with the aid of a great variety of… Continue Reading →


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Composite indexes – When should you use them in MySQL?

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Share it!What are composite indexes? Database engines (e.g. MySQL, PostgreSQL, etc.) can create composite indexes on table data. That is, indexes on multiple columns at once, instead of indexing a single column. For instance, MySQL allows indexes of up to… Continue Reading →


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Date formatting: How to Detect and convert date formats in PHP

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Share it!MySQL and Date Formatting MySQL database engines support  a number of different date and time column formats. These can be summarized as follows: DATE – Stores a date value in the form YYYY-MM-DD. For example 2008-10-23. DATETIME – Stores… Continue Reading →


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Info-FICH: Faculty Information Integrated System

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Share it!This project’s main goal is to create a Faculty integrated information system and was put forward to fulfill the Faculty’s information requirements (either specific, aggregated or statistical data). The system takes data from external databases currently and provide a… Continue Reading →


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CSV exports of a MySQL or PostgreSQL query with a simple PHP class

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Share it!CSV Exports of SQL queries CSV (comma-separated values) is the most widely supported format for transferring tabular data. That’s why CSV Exports are very common in web applications. This simple PHP class will help you get started with CSV… Continue Reading →


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