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DROP TYPE
Remove an alias data type or user-defined type (CLR) from the current database.
Syntax
      DROP TYPE [schema.] type [ ; ]
Key
   type     Name of the type (alias or user-defined) to be dropped.
When a table is dropped, all associated triggers are automatically dropped.
Examples
DROP Type MyType;
"A chic type, a rough type, an odd type - but never a stereotype" - Jean-Michel Jarre
Related commands:
  CREATE TYPE
  
Equivalent Oracle command:
DROP TYPE