At Rothman Institute, our doctors have extensive knowledge and experience in total hip replacement surgery, and we believe that sharing our knowledge with you, our patients, is an essential part of guaranteeing the effectiveness of the operation.
CLERICAL ERROR. An error made by a clerk in transcribing or otherwise. This is always readily corrected by the court. 2. An error, for example, in the teste of a fi. fa.; 4 Yeates, 185, 205; or in the teste and return of a vend. exp.; 1 Dall. 197 or in writing Dowell for McDowell. 1 Serg.
The ambiguous column error means that there's a reference to a column identifier, and MySQL has two (or more) possible columns that match the specification. In this specific case, the reference to CategoryID column in the WHERE clause.