The value of percentage must be between 0.0 and 1.0. The accuracy parameter (default: 10000) is a positive numeric literal which controls approximation accuracy at the cost of memory. Higher value of accuracy yields better accuracy, 1.0/accuracy is the relative error of the approximation.
CREATE VIEW vwEducationLevel as SELECT education.payrollID, educationLevel.eduLevelDes as Education FROM education LEFT JOIN educationLevel ON education.eduLevelID=educationLevel.eduLevelID