max

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SQLite MAX ?? ???

??: SQLite MAX ?? ??? ???? ?? ???? ??? ? ????.

??: ??sqlite> SELECT max(?? ??? ?) FROM TABLENAME

SQLite MAX ?? ?

COMPANY 表

ID          NAME        AGE         ADDRESS     SALARY
----------  ----------  ----------  ----------  ----------
1           Paul        32          California  20000.0
2           Allen       25          Texas       15000.0
3           Teddy       23          Norway      20000.0
4           Mark        25          Rich-Mond   65000.0
5           David       27          Texas       85000.0
6           Kim         22          South-Hall  45000.0
7           James       24          Houston     10000.0

實(shí)例：sqlite> SELECT max(salary) FROM COMPANY;

結(jié)果：
max(salary)
-----------
85000.0