PostgreSQL外键与主键
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PostgreSQL中的外键与主键操作示例
目录什么是外键?一、外键的定义与作用二、外键与主键的区别三、典型应用场景四、外键的高级配置五、总结什么是外键?[详细]
2025-10-11 08:57 分类:数据库How to get the original variable name of variable passed to a function [duplicate]
This question already has answers here: Getting the name of a variable as a string (31 answers) Closed 2 months ago.[详细]
2022-12-29 07:31 分类:问答