Defining PostgreSQL Table Statistics

The following properties are applicable to a PostgreSQL Table Statistics object.

Tab	Section	Property	Description
		Name	Specifies the name of the statistics object to be created
		If Not Exists	Specifies that if the statistics already exist, no exception is thrown, and no action happens
		Generate	Specifies whether a SQL statement for the access method is generated during forward engineering
General	Statistics Options	Statistics Kind Dependencies	Specifies whether to enable functional dependency statistics
		Statistics Kind Mcv	Specifies whether to enable the most-common values lists
		Statistics Kind Ndistinct	Specifies whether to enable n-distinct statistics
	Column Members	Columns	Specifies the name of a table column to be covered by the computed statistics. This is only allowed when building multivariate statistics. At least two column names or expressions must be specified, and their order is not significant
	Statistics Column Expression		Specifies an expression to be covered by the computed statistics. This may be used to build univariate statistics on a single expression, or as part of a list of multiple column names and/or expressions to build multivariate statistics

(Optional) Click the Comment tab and enter any comments that you want to associate with the object.
(Optional) Click the UDP tab to work with user-defined properties for the object.
(Optional) Click the Notes tab to view and edit user notes.
(Optional) Click the Extended Notes tab to view or edit user notes.
Click Close.
The statistics is defined and the PostgreSQL Table Statistics Editor closes.

For more information, refer to PostgreSQL documentation.