# class pq\Types implements ArrayAccess
Accessor to the PostgreSQL `pg_type` relation.
-
-> ***NOTE:***
- The following OID constants are obtained from stock PostgreSQL 9.3.5. Types from f.e. extensions can be accessed through the ArrayAccess interface of pq\Types.
+See [here for an overview](pq/Types/: Overview).
## Example:
typdefault =
typacl =
+> ***NOTE:***
+ The following OID constants are obtained from stock PostgreSQL 9.3.5. Types from f.e. extensions can be accessed through the ArrayAccess interface of pq\Types.
## Constants: