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基于12个网页-相关网页
This implies that the table must have one or more columns or table-level constraints.
这意味着表必须有一个或多个列级或表级约束。
A declarative programming style is almost always a more direct way of stating constraints than is an imperative or procedural one.
声明性编程样式在声明约束方面几乎一直比命令式或过程序样式更直接。
You would typically define one or more roles whose users would have the right the access the scripts depending on the security constraints specified in the web.xml file.
根据web . xml文件中指定的安全性约束，通常会定义一个或多个角色，这些角色的用户将拥有访问这些脚本的适当权限。
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