WHERE newID.value IN ('O95833', 'Q96NY7-2') 结果: ProjectID value --- 2 Q96NY7-2 2 O95833 2 O95833 2 Q96NY7-2 2 O95833 2 Q96NY7-2 4 Q96NY7-2 4 Q96NY7-2 使用新添加的STRING_AGG函数(在 SQL Server 2017 中),如以下查询所示,我可以获得下面的结果集。 SELECT ProjectID, STRING_A...
TheGROUP BYclause is required if theSTRING_AGGfunction isn't the only item in theSELECTlist. E. Generate list of emails per towns The following query finds the email addresses of employees and groups them by city: SQLAfrita USEAdventureWorks2022; GOSELECTTOP10City, STRING_AGG(CONVERT(NVARCHAR...
TheGROUP BYclause is required if theSTRING_AGGfunction isn't the only item in theSELECTlist. E. Generate list of emails per towns The following query finds the email addresses of employees and groups them by city: SQL USEAdventureWorks2022; GOSELECTTOP10City, STRING_AGG(CONVERT(NVARCHAR(MAX)...
This function was introduced in SQL Server 2017. It’s purpose is to concatenate values in a string expression and place separators / delimiters between each value. The Microsoft documentation for this function: https://learn.microsoft.com/en-us/sql/t-sql/functions/string-agg-transact-sql?view=...
1. 通过WITHIN GROUP 还可以对结果再排序哦. 4. 遇上 DISTINCT 如果出来的结果想要 distinct 的话 Produce DISTINCT values in STRING_AGG Get unique values using STRING_AGG in SQL Server 如果不考虑性能的话, 我觉得简单粗暴的方式就是直接 SPLIT 然后 DISTINCT 再 JOIN 回去....
TheGROUP BYclause is required if theSTRING_AGGfunction isn't the only item in theSELECTlist. E. Generate list of emails per towns The following query finds the email addresses of employees and groups them by city: SQL USEAdventureWorks2022; GOSELECTTOP10City, STRING_AGG(CONVERT(NVARCHAR(max)...
综上所述,解决“'string_agg' is not a recognized built-in function name”错误的关键在于确认你的 SQL Server 版本是否支持该函数,并根据情况采取相应的措施。如果版本不支持,寻找替代方法或升级数据库版本将是你的选择。
问在Server中使用STRING_AGG获取唯一值ENPython 提供了各种方法来操作列表，这是最常用的数据结构之一。
SQL ServerSTRING_AGG 参考: How To UseSTRING_AGG– Concat Multiple Row Values In SQL Server 如果你想做string.join(',', collection) 的话, 那么就可以使用STRING_AGG了 1. 简单用 SELECTSTRING_ ... sql 数据 转载 mob604756e9d3bc 2021-09-15 12:02:00 ...
SQL String_AGG是一种用于计算列的聚合函数,它用于将多个行的值连接成一个字符串,并使用指定的分隔符进行分隔。下面是对该问题的完善和全面的答案: SQL String_AGG是一种用于计算列的聚合函数,它可以将多个行的值连接成一个字符串,并使用指定的分隔符进行分隔。这在处理需要将多个值合并为一个字符串的情况下非常...