Operators and functionsSave PDFSave selected topicSave selected topic and subtopicsSave all topicsShareShare to emailCopy topic URLLast UpdatedFeb 07, 20231 minute readPI SystemPI OLEDB Enterprise 2019Developer Note: In case of an evaluation error, operators and functions return NULL. Related LinksArithmetic operatorsMathematical functionsString functionsDate and time functionsAggregate functionsTable-valued functionsPI SQL functions