30 Jun 2025

Use MySQLWorkbench to quickly generate EER charts from existing databases. The specific steps are: 1. Create a new model in Model Explorer; 2. Select "Create EER model from existing database" and configure database connections; 3. Enter the reverse engineering process and select the tables and other objects to be imported; 4. After the generation is executed, view the EER chart and manually adjust the missing association relationship; 5. Export the chart to PNG or PDF format for sharing. The entire process relies on foreign key constraints to ensure the accuracy of the relationship. If there is no foreign key, it needs to be supplemented manually.

24 Feb 2025

This article demonstrates how to extract embedded PDF and image files from legacy Microsoft Access databases using PHP. Part 1 covered extracting packaged objects; this part focuses on PDFs and common image formats (BMP, GIF, JPEG, PNG). These file

22 May 2025

Dracolite is a local specialty material found all over the Atocpan region of Natlan, introduced in Genshin Impact during version 5.5. Dracolite is used as an Ascension material for Iansan, but the material might also be required to level

08 Apr 2025

FAQs and solutions when exporting databases in MySQL: Permissions issue: Ensure that users have permission to access databases and tables. Network problem: Check network connections to avoid export failures due to network interruptions. Database issues: Troubleshoot table locks, deadlocks, or database file corruption. Insufficient memory: Use the split-table export or --single-transaction option to solve the problem of large database export. Compress: Use gzip to compress export files to save storage space. Partial data export: Use the --where condition to export the specified data. Character set encoding problem: Specify the --default-character-set option to avoid garbled code. Error handling: write scripts to capture error information and log logs.

05 Apr 2025

The main sources of H5 page materials are: 1. Professional material website (paid, high quality, clear copyright); 2. Homemade material (high uniqueness, but time-consuming); 3. Open source material library (free, need to be carefully screened); 4. Picture/video website (copyright verified is required). In addition, unified material style, size adaptation, compression processing, and copyright protection are key points that need to be paid attention to.

06 Apr 2025

The H5 page materials have diverse sources, including material websites, free material websites (in-depth exploration, trial paid resources), picture libraries (match design style), video material websites (note the size and format), and self-designed materials. In addition to the material itself, clever layout, color matching, animation and interactive use are equally important. Materials are just tools, the key lies in the designer's design philosophy and creativity.