SQLite MIN
SQLite MIN函数用于获取表达式的最小值。
语法:
SELECT MIN(aggregate_expression)
FROM tables
[WHERE conditions];
将Min函数与GROUP BY子句一起使用时的语法:
SELECT expression1, expression2, ... expression_n
MIN(aggregate_expression)
FROM tables
[WHERE conditions]
GROUP BY expression1, expression2, ... expression_n;
示例1:
我们有一个名为" STUDENT"的表,其中包含以下数据:
从"学生"表中检索学生的最低费用:
SELECT MIN(FEES) AS "Lowest Fees"
FROM STUDENT;
输出:
示例2:
将GROUP BY子句与MIN函数一起使用:
从表" STUDENT"中检索名称和最低费用,并按名称对数据进行ORDER BY:
SELECT NAME, MIN(FEES) AS "Lowest Fees"
FROM STUDENT
WHERE ID <= 5
GROUP BY NAME;
输出: