.检查无效的数据库对象: SELECT owner, object_name, object_type,status FROM dba_objects WHERE status = 'INVALID'; .检查不起作用的约束: SELECT owner, constraint_name, table_name, constraint_type, status FROM dba_constraints WHERE status = 'DISABLED'; .检查无效的触发器: SELECT own
This example demonstrates how to populate and display a list of objects that are not bound to the database (non-persistent objects). A sample application that stores a list of books will be created in this example. An Action that displays a list of d
In this lesson, you will learn how to format data that satisfies the specified criteria. For this purpose, the Conditional Appearance module will be added to the application. You will highlight the DemoTask objects whose Status property is not set to
