You can't always answer your questions with a single data set. Sometimes, to answer your hardest questions, you have to integrate multiple data sets to uncover insight. That’s why I am so excited about cross-d
In the left pane, under Connections, click the Add button ( in web authoring) to add your second connection to the Tableau data source. The Cross-database join option is displayed. Note: If you don't see this option, check that you're using only supported data source types and that ...
In some cases, Tableau is able to solve many use cases using the data blending technique. However, there are instances where data blending does not perform effectively and data from different sources are brought into a single source to “join” for the desired results. With the introduction of...
Relationships, part 1: Introducing new data modeling in Tableau(Link opens in a new window) Relationships, part 2: Tips and tricks(Link opens in a new window) Relationships, part 3: Asking questions across multiple related tables(Link opens in a new window) ...
1. First, we create an ODBC connection/datasource ( Fig 1) to DataStax Enterprise. Fig 1: DataStax Cassandra ODBC Connector 2. Next, we open Tableau [3] and connect to Cassandra (Fig 2) using the ODBC connection created in the previous step. Fig 2: Connecting to Cassandra using ODBC...
A well-known VQS using the column-based approach is Polaris (Stolte et al., 2002), better known under its commer- cial name Tableau. Since it is column-based, OVI-3 does not use SQL at all. Instead, to evaluate a query, it uses the mapping relation to handle the primal join (...
OpenChain General Manager, Shane Coughlan announcing the collaboration said in a blog post,“We’re thrilled that Microsoft has joined the project and welcome their expertise. Microsoft is a strong addition not only in terms of open source but also in standardiza...
You can't always answer your questions with a single data set. Sometimes, to answer your hardest questions, you have to integrate multiple data sets to uncover insight. That’s why I am so excited about cross-database joins, a new feature in Tableau 10.
Tableau Desktop only: For most connections, you can use the Convert to custom SQL option to change the data type of one of the fields in the join key, using a function like CAST (). The Convert to custom SQL option is available only when the data source contains only one connection. ...
1. First, we create an ODBC connection/datasource ( Fig 1) to DataStax Enterprise. Fig 1: DataStax Cassandra ODBC Connector 2. Next, we open Tableau [3] and connect to Cassandra (Fig 2) using the ODBC connection created in the previous step. ...