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CREATE TABLE w1742302_device ( deviceCatalogID varchar(5), deviceCatalogName varchar(20), deviceDescription varchar(300), availabilityStatus boolean, CONSTRAINT pk_device_catalogID PRIMARY KEY (deviceCatalogID) );
CREATE TABLE w1742302_hearing_Device ( deviceCatalogID varchar(5), hdMake varchar(20), hdModel varchar(20), CONSTRAINT pk_hearingDevice_catalogID PRIMARY KEY (deviceCatalogID), CONSTRAINT fk_hearingDevice_catalogID FOREIGN KEY (deviceCatalogID) REFERENCES w1742302_device(deviceCatalogID) );
CREATE TABLE w1742302_visual_Device ( deviceCatalogID varchar(5), frBrand varchar(20), frModel varchar(20), lensSerialN varchar(20), lensVisionType varchar(20), lensTint set('1','2','3'), lensThinnessLevel set('1','2','3'), CONSTRAINT pk_visionDevice_catalogID PRIMARY KEY (deviceCatalogID), CONSTRAINT fk_visionDevice_catalogID FOREIGN KEY (deviceCatalogID) REFERENCES w1742302_device(deviceCatalogID) );