If your ORM framework offers facilities for modeling referential constraints, these are again defined both on your DB and in your application code.
如果OR M框架为引用限制的建模提供了便利的话,这些内容会在你的数据库和应用程序代码上重复定义。
If this is the case then here is a list of free or open source SQL editor tools for you to begin running SQL queries against your DB.
如果是这种情况然后在这里是一个免费或开源列表sQL编辑工具让你开始对你的数据库运行SQL查询。
To test your application, you first deploy the security deployment plan for your application, as defined in my-db-plan.xml, then you deploy your application.
要测试应用程序,首先要部署应用程序的安全性部署计划(在my - db - plan . xml中定义),然后部署应用程序。
Set your database name to the directory path where the Derby database should reside on the file system; for example: c: \ projects \ wishlist \ db \ wishlist_prod.
将数据库名称设置为Derby数据库在文件系统中驻留的目录路径,例如:c: \projects \wishlist \db \ wishlist _ prod。
Solution: check your ulimit Settings, also check the DBM CFG parameters for your instance, and the DB CFG parameters for the database.
解决方案:检查ulimit设置,还要检查实例的DBMCFG参数以及数据库的DB CFG参数。
Should you ever change your mind about this setting, a quick way to revert is to issue the command reset db cfg for
如果想恢复这个设置,简便的方法是发出命令resetdbcfg for
Edit the file and enter the user name, password, and URL of your JRules RES db for the persistenceProperties property.
编辑文件并针对 persistenceProperties属性输入JRulesRESdb的用户名、密码和URL。
Notice that Rails generates your model objects and migrations for each article. Edit db/migrate/001_create_articles.rb to look like Listing 3
请注意,Rails 为每篇文章生成了模型对象和迁移。
Run the OLE DB conformance tests (including ADO conformance tests) to ensure that your provider meets the level 0 standard for OLE DB providers.
运行oleDB一致性测试(包括ADO一致性测试),确保提供程序符合OLE DB提供程序的级别0标准。
Run the OLE DB conformance tests (including ADO conformance tests) to ensure that your provider meets the level 0 standard for OLE DB providers.
运行oleDB一致性测试(包括ADO一致性测试),确保提供程序符合OLE DB提供程序的级别0标准。
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