或者我们需要做一些数据源方面的case when 语句,where 语句,custom sql 就能很好的帮助完成。 下面链接是官方的解释: http://onlinehelp.tableau.com/current/pro/desktop/en-us/help.htm#upgrading_connection.html 在tableau 中常规的导入并没有custom sql 这个功能,我们首先需要legacy connection。 然后我们就能在选...
Tableau CustomSQL是Tableau软件中的一种功能,它允许用户在Tableau中使用自定义的SQL查询来连接和分析数据。 将数字转换为浮点型是指将整数或其他数值类型转换为浮点数(即带有小数点的数)。在数据分析和可视化中,将数字转换为浮点型可以更精确地表示数据,并进行更精细的计算和分析。 Tableau提供了一些内置的函数和操作...
先要用legacy connection打开Excel或TXT格式文件left join country.csv as country on cabinet.country_id= Country ID
5 年前· 来自专栏 商业智能可视化工具Tableau 数据知多少 数据分析关注看来其功能还是比较齐全的。能够用函数吗?编辑于 2019-11-02 23:24 内容所属专栏 商业智能可视化工具Tableau 可视化工具在房地产商业智能领域的应用 订阅专栏 推荐阅读 SQL常用函数 白小白0... · 发表于数据分析 mysql常用函数 拾维 SQL高级功...
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See if you can answer your question in Tableau using a combination of filters, aggregations and calculations. If you cannot, then it is time to go to the Custom SQL section of the Connection dialog. Right-click the data source and choose "Edit Connection" Go to "Custom SQL". You'll ...
Trying to use a parameter in tableau prep to pass into custom sql to filter based on when the date selected from parameter = date from the data_table. However, tableau prep parameters can only be strings , numbers, or boolean, so when trying to compare to a date field from table get ...
I am a huge fan of doing things the right way instead of using workarounds or shortcuts. Tableau is an incredible tool for solving problems, and using the functionality within Tableau, I have rarely found a problem unsolvable. That being said, sometimes
An error occurred while communicating with the Other Databases (ODBC) data source 'Offsets'.Bad Connection: Tableau could not connect to the datasource.Nodetails available. SELECT AVG("Custom_SQL_Query"."usage_utilization") AS "avg_usage_utilization_ok", ...
In that case, it really doesn't matter what data type they are in Tableau. One option might be to force a cast of the field to a date within the SQL: WHERE CAST([DateTime] AS Date) BETWEEN <START DATE PARAMETER> AND <END DATE PARAMETER> The syntax could be different depending on ...