Biml Language Reference
Keys Child Collection
This is a container for table key definitions.
Permitted Collection Child Definitions
  Child API Type Description
<Identity /> AstTableIdentityNode
AstTableIdentityNode is an abstract type that represents both an identity expression and optionally a primary key on a table in a SQL Server relational database.
<PrimaryKey /> AstTablePrimaryKeyNode
AstTablePrimaryKeyNode is an abstract type that represents a primary key constraint on a table in a SQL Server relational database.
<UniqueKey /> AstTableUniqueKeyNode
AstTableUniqueKeyNode is an abstract type that represents a unique column(s) constraint on a table in a SQL Server relational database.