 create table DAEOperators
 (
 	ID int not null,
-	OperatorName nvarchar(200) not null,
+	OperatorName character varying(200) not null,
 	Signature ntext not null,
 	constraint PK_DAEOperators primary key (ID)
 	--reference Operators_OperatorNames { OperatorName } references OperatorNames { Name },


create table DAELoadedLibraries
(
	Library_Name nvarchar(200) not null,
	constraint PK_DAELoadedLibraries primary key (Library_Name)
	--reference LoadedLibraries_Libraries { Library_Name } references Libraries { Name }
)


create table DAEOperatorNames
(
	Name character varying(200) not null,
	constraint PK_DAEOperatorNames primary key (Name)
)
;
