U P D A T E c l a u s e { U P D A T E c o u n t r y S E T c l a u s e { S E T p o p u l a t i o n = p o p u l a t i o n + 1 ⏞ e x p r e s s i o n W H E R E c l a u s e { W H E R E n a m e = ′ U S A ′ ⏞ e x p r e s s i o n ⏟ p r e d i c a t e ; } statement {\displaystyle \left.{\begin{array}{rl}\textstyle {\mathtt {UPDATE~clause}}&\{{\mathtt {UPDATE\ country}}\\\textstyle {\mathtt {SET~clause}}&\{{\mathtt {SET\ population=~}}\overbrace {\mathtt {population+1}} ^{\mathtt {expression}}\\\textstyle {\mathtt {WHERE~clause}}&\{{\mathtt {WHERE\ \underbrace {{name=}\overbrace {'USA'} ^{expression}} _{predicate};}}\end{array}}\right\}{\textstyle {\texttt {statement}}}}