Then discover how to create database objects with the data definition language (DDL) and edit data in your tables with data manipulation language (DML). Adam also covers critical relational database concepts, such as relationships, indexes, and schemes.
Justin-Josef Angel in  Silverlight Controls-The path to reusable XAML  describes a method to create XAML objects in a designer editable .xaml file that is paired with a JavaScript file that contains the methods for XAML object.
When control power is applied to the devices. output, the light General Purpose Relay is turned on and shines across an open space. On the load side of this space, a part of the device senses the presence of the light, and triggers a solid state switch that either opens or closes the circuit under control.