A database object can have zero to many (0.. n) schemas, and a schema can have zero to many (0.. n) tables, indexes, user-defined types, routines, and so on.
每个数据库对象有0到多个(0. .n)模式，每个模式可以有0到多个(0 . . n)表、索引、用户定义类型和例程等。
The Servoy environment employs an n-tier architecture which includes cross-database support, and advanced application server, and a variety of deployment options in the presentation layer.
Servoy环境采用一个n层架构，该架构包括跨数据库支持、高级应用程序服务器以及呈现层中的各种部署选项。
Since the redo log group is inactive and is archived, just clear the redo log - alter database clear logfile group N (where N is the group # of the lost redo log)
由于重做日志组是不活动和归档的，所以只需清除重做日志即可 ——alterdatabaseclear logfilegroupN（其中 N 是丢失的重做日志的组 #）。
The paper introduced the basic conception of math of relation database model, N-ple relation, fordered N-ple and fordered sets.
给出了关系数据库模型的数学基本概念，如N元关系、N元有序组及N元有序组集合。
Searching an optimized executive strategy for every complex query is the key of success for database development. In database field, it is still an N-P problem.
对于一个复杂的查询，寻找一个优化的执行策略是数据库系统开发成功的关键所在，此项研究目前在数据库领域仍属于N - P问题。
Walkthrough: Adding a Local Database Cache to an N-Tier Application.
演练：向N 层应用程序添加本地数据库缓存。
Walkthrough: Adding a Local Database Cache to an N-Tier Application.
演练：向N 层应用程序添加本地数据库缓存。
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