Functions
•Arithmetical functions
SUM, AVG,
MIN, MAX, COUNT, STDDEV, VARIANCE,
WIDTH_BUCKET, ...
•Trigonometric functions
SIN, COS, TAN,
ACOS, ASIN, ATAN, SINH, COSH, …
•String functions
TRIM, SUBSTR, CONCAT, LOWER, UPPER, INITCAP, SOUNDEX, LENGTH, …