数据的访问
Information Schema
l Columns
l Indexes
l Key_Column_Usage
l Provider_Types
l Tables
l Table_Constraints
Select * from Information_Schema.Tables

| Each SQL CE database contains a set of system views that expose information about the schema of the database. You can query these views just like any other table to retrieve metadata about the structure of your tables and indexes. This example retrieves information about all the tables in the database.