文章列表
Should I use SQL_Variant data type?(我应该使用 SQL_Variant 数据类型吗?)
Difference between two table structure(两种表结构的区别)
Proper database model for a user feedback system (an interesting case)(用户反馈系统的正确数据库模型(一个有趣的案例))
How to cycle with an array in MySQL?(如何在 MySQL 中循环使用数组?)
How to retrieve hierarchical data from a SQL Table?(如何从 SQL 表中检索分层数据?)
How to get next minimum date that is not within 30 days and use as reference point in SQL?(如何获得不在 30 天内的下一个最小日期并用作 SQL 中的参考点?)
MySQL and PDO: Could PDO::lastInsertId theoretically fail?(MySQL 和 PDO:理论上 PDO::lastInsertId 会失败吗?)
Doctrine: ON DUPLICATE KEY UPDATE(学说:关于重复密钥更新)
How to make a case-insensitive unique column in SQLite(如何在 SQLite 中创建不区分大小写的唯一列)
When should I use transactions in my queries?(什么时候应该在查询中使用事务?)
