This SQL tutorial explains how to use the SQL MAX function with syntax and examples. The SQL MAX function is used to return the maximum value of an expression in a SELECT statement.
The max() function returns the one value in the sequence that is greater than any other in the input sequence. For xs:string values, the default Unicode Codepoint Collation is being used. If an xdt:untypedAtomic value cannot be cast to xs:double, the value is ignored in the input sequen...
Here, the SQL command selects the minimum value offirst_namebased on the dictionary order. Example: MIN() in SQL with String MAX() and MIN() in Nested SELECT As we know, theMAX()function returns the maximum value. Similarly, theMIN()function returns the minimum value. However, if we ...
As you can see, the maximumSalaryin theEmployeeis 200000. MAX() with String Column TheMAX()function can be used on the string column. For example, the following uses theMAX()function on theLastNamecolumn of theEmployeetable. It will sort the column alphabetically and the last value will ...
在SQL中,使用JOIN和GROUP BY可以显示MAX函数的匹配大小写。下面是一个完善且全面的答案: 在SQL中,JOIN是用于将两个或多个表中的行连接起来的操作。它可以根据两个表之间的关联条件将...
Theexprplaceholder represents a string expression identifying the field that contains the data you want to evaluate or an expression that performs a calculation using the data in that field. Operands inexprcan include the name of a table field, a constant, or a function (which can be either ...
2、declare PL/SQL CHAR and VARCHAR2 variable used in the INTO clause of SELECT statement as 4,000 bytes. 3、Use CASTSQLfunction to constraint the size to that of the variable size like SELECT CAST(MIN('Y') AS CHAR(1)) INTO C FROM DUAL; ...
1.1 分组查询 1.1.1 语法 # where 和 having 可以省略 SELECT col_name, group_function, ··· FROM tb_name [WHERE where_condition...by 后出现过的列或者聚合函数。 ...③ having 后所接的字段必须经过过滤(即:该字段必须使用),一般与 group by 连用 ④ 分组查询中,若一个字段在一个组内...
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After much researching it turns out the problem is that the column the text was stored in was an NTEXT, but SQL 2005 has deprecated the NTEXT in favor of NVARCHAR(MAX). Now, you'd think that string functions on NTEXT would have the same performance on 2005 as it did on 2000, but th...