To concatenate multiple String literals, use the + operator.
可以使用+操作符连接多个字符串字面值。
Concatenation would concatenate the string and print it as one argument.
连接操作会首先将字符串连接在一起，然后将其作为一个参数打印。
With that in mind, never just concatenate text to create an SQL command.
记住，永远都不要简单地拼接文本来创建SQL命令。
You cannot concatenate a wide character string and non-wide character string.
无法串联宽字符字符串和非宽字符字符串。
Drag and drop the function Concatenate in the middle of the mapping.
将函数Concatenate拖拽到映射的中间。
Drag and drop the function Concatenate in the middle of the mapping.
将函数Concatenate拖拽到映射的中间。
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