SQL
- Database Search Performance Optimization: From SQL LIKE, MSSQL Full-Text Search to Elasticsearch- October 7, 2025 - Program - In-depth exploration of database search performance optimization, comparing the pros and cons of SQL LIKE, MSSQL Full-Text Search, and Elasticsearch with implementation details. 
- Using CTE (Common Table Expression) to achieve lazy loading and querying infinite hierarchical data structure- July 25, 2023 - Program - Recording the backend implementation of Lazy loading querying infinite hierarchical data structure. 
- Database Query Performance Optimization Tips : Index Concepts, Clustered, Non-Clustered- June 13, 2023 - Program - Recording tips for optimizing query performance through indexing, differences between clustered and non-clustered indexes. 
- Database Query Performance Optimization Tips : Statement Optimization, Adding Indexes- March 29, 2023 - Program - As the system data grows increasingly large, it's common to encounter situations where database queries take too long. This article provides several methods for optimizing database query performance. 
- SQL SCOPE_IDENTITY() and @@IDENTITY Differences in Retrieving Auto-Increment Values- March 20, 2023 - Program - Retrieve the Most Recently Added Data in SQL 




