For the majority of database, you can connect with a specific inquire as opposed to the whole data put
Once the databases enjoys a little various other SQL syntax regarding each other, this new custom SQL you utilize to connect to that database you are going to vary throughout the customized SQL you may use to connect to a different. But not, using customized SQL they can be handy once you know exactly the latest important information and you can can develop SQL requests.
However, there are a couple of common good reason why you may use individualized SQL, you can make use of customized SQL to connection your computer data round the tables, recast sphere to execute get across-database suits, restructure or reduce the size of important computer data to own data, etcetera.
Getting Do just fine and you can text message document analysis supplies, this option is present just inside workbooks which were created before Tableau Desktop 8.dos otherwise when using Tableau Desktop computer towards Window towards legacy relationship. To connect to Excel or text message data making use of the history partnership, get in touch with the brand new document, plus the new Open dialog field, click on the Discover drop-off selection, and then pick Unlock having History Connection .
NOTE: Starting with Tableau 2020.dos, legacy Excel and Text associations are no lengthened served. Understand the Heritage Commitment Choices document into the Tableau Area to own choice to having the brand new history commitment.
Get in touch with a custom made SQL query
Once you click Ok, the brand new inquire runs plus the individualized SQL query table appears for the the logical level of one’s material. Simply relevant fields on personalized SQL ask display screen on the study grid on the Repository page.
Types of individualized SQL requests
If you need to append research to one another, you need to use the new relationship solution about physical level of the latest canvas in the Tableau. Read more