Defining Google BigQuery Table Columns

The following properties are applicable to a Google BigQuery Table Columns object.

Tab	Property	Description	Additional Information
General	Domain Parent	Specifies the domain parent of the column
	Name	Specifies the name of the column
	Physical Name	Specifies the physical name of the column
	Harden Strategy	Specifies several parameters and practices aimed at enhancing security and reliability	Inherit: Specifies to inherit the column physical name, physical data type, or null option setting Override: Specifies to override inheritance for the column physical name, physical data type, or null option setting Harden: Specifies to harden the column physical name
	Physical Data Type	Specifies the physical data type of the selected column
	Physical Only	Specifies whether the column is suppressed from a logical model (as an attribute) and appears in a physical model only
	SDI	Specifies whether the selected field contains Personally Identifiable Information (SDI)
	Collation	Specifies the collation specification for the column	Default collation properties are only applicable for STRING.
	Mode	Specifies property mode of the column	Nullable: Indicates that the column accepts null value. Repeated/Array: Indicates that an array element in a table can never be NULL. Required: Indicates that the column does not accept null value.
	Default Expression	Specifies the default value assigned to the column
	Mode	Specifies the rounding of mode for the columns in a table
	Primary Key	Specifies whether the selected column in a table is a primary key
Link	Link Name	Specifies a user-defined link name	You can use the Link Wizard to create and manage link objects and define their properties. For more information on the Link Wizard, refer to the Link Wizard topic.
	Linked To	Specifies the linked column name
	Synch Direction	Specifies the synchronization direction of the link
	Definition	Specifies the definition of the link