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.
A photocell is a device that is used to detect and measure light. The dusk to dawn photocell sensor switch will switch items such as lights and fans on during the night and off during the day. A photocell sensor can be regarded as a transducer that is used to detect the light intensity. A photocell is a device that is used to detect and measure light. Collins English Dictionary.