# Only

可以将 Only 脚本关键字用作聚合函数，或者在部分重新加载前缀 Add、Replace 和 Merge 中作为语法的一部分。

[Only - 脚本函数](https://help.qlik.com/zh-CN/sense/November2024/Subsystems/Hub/Content/Sense_Hub/Scripting/AggregationFunctions/only.htm)

[Add](https://help.qlik.com/zh-CN/sense/November2024/Subsystems/Hub/Content/Sense_Hub/Scripting/ScriptPrefixes/Add.htm)

[Replace](https://help.qlik.com/zh-CN/sense/November2024/Subsystems/Hub/Content/Sense_Hub/Scripting/ScriptPrefixes/Replace.htm)

[合并](https://help.qlik.com/zh-CN/sense/November2024/Subsystems/Hub/Content/Sense_Hub/Scripting/ScriptPrefixes/Merge.htm)