When a custom SQL connection is performing slowly, or produces an error, it is often the result of the custom SQL wrapping that Tableau Desktop performs. For most databases, you can connect to a …

This article describes how to connect Tableau to a Microsoft SQL Server database and set up the data source

When connecting to some databases, you can specify an initial SQL command that will run or use a cached value when a connection is made to the database, for example, when you open the …

This article describes how to connect Tableau to a PostgreSQL database and set up the data source

These RAWSQL pass-through functions can be used to send SQL expressions directly to the database, without first being interpreted by Tableau. If you have custom database functions that Tableau …

カスタム SQL 接続の実行速度が遅い場合やエラーが発生する場合、Tableau Desktop が実行するカスタム SQL ラッピングが原因であることがよくあります。 ほとんどのデータベースは、データ …

This article describes how to connect Tableau to Azure SQL Database and set up the data source. Note: If you’re using Azure Active Directory via OAuth authentication, make sure you have already set up …

为了执行在 Tableau Desktop 中构建视图所需的操作，Tableau 必须能够控制 WHERE、GROUP BY 和其他 SQL 子句。 由于自定义 SQL 查询可能包含这些元素，并且 Tableau 无法将它们注入到现有 …

This article describes how to connect Tableau to a MySQL database and set up the data source

Dans Tableau Desktop, vous pouvez créer un paramètre directement dans la boîte de dialogue SQL personnalisé ou utiliser n’importe quels paramètres faisant partie du classeur.