Common "M" Constructs

[This content is no longer valid. For the latest information on "M", "Quadrant", SQL Server Modeling Services, and the Repository, see the Model Citizen blog.]

This topic describes a number of Microsoft code name “M” constructs that occur in different parts of the language.

In This Section

• Declaring Fields
  Describes what fields are and how they are used in “M”.

• Constraints ("M" Programming Guide)
  Describes what constraints are and how they are used in “M”.

• Identity ("M" Programming Guide)
  Describes the different types of identity in “M”.