Init initializes, and returns, a dictionary metadata structure.

CheckConstraint contains the metadata for a check constraint.

Column contains the metadata for a table/view column.

Dependency contains the metadata for a database object dependency.

Domain contains the metadata for a user defined domain.

ForeignKey contains the metadata for a foreign key constraint.

Index contains the metadata for an index.

MetaData is the metadata structure used for generating a data dictionary.

PrimaryKey contains the metadata for a primary key.

Schema contains the (high level) metadata for a schema.

Table contains the (hight level) metadata for a table/view/materialized view.

UniqueConstraint contains the metadata for a unique constraint.

UserType contains the metadata for a user defined datatype.