📜  SQLite MIN函数

📅  最后修改于: 2020-11-13 00:47:40             🧑  作者: Mango

SQLite MIN函数

SQLite MIN函数用于获取表达式的最小值。

句法:

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; 

范例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:

范例2:

将GROUP BY子句与MIN函数:

从表“ STUDENT”中检索“ NAME”和“ MIN FEES”,并按“ NAME”数据进行ORDER BY:

SELECT NAME, MIN(FEES) AS "Lowest Fees"
FROM STUDENT
WHERE ID <= 5
GROUP BY NAME; 

输出: