#TABLEAU PREP CUSTOM SQL HOW TO#

This means that the table will be completely removed and replaced with only the fields and values from the new workflow.

This option allows you to create a new table in the database, however if the table already exists then this table will be deleted and replaced by the new table.

#TABLEAU PREP CUSTOM SQL HOW TO#

Now we have selected our desired database table, we have three different options about how to write to this table. The table name can be an existing table, or you can create a new table by typing the new table name and then selecting вЂCreate new tableвЂ™: For SQL Server this includes selecting a database, and then a table name. Once IвЂ™ve added my credentials and successfully connected to the database, I then need to select the location where my output would go. Depending on the connection that you select, the credentials popup may look slightly different, but this is an example from SQL Server: In this example IвЂ™m going to connect to a SQL Server, so when this is selected I need to input my credentials and complete the connection. Currently, (as of Dec 2020) there are 7 relational databases to choose from including SQL Server, PostgreSQL, & Amazon Redshift. This is where you choose the type of database that you would like to connect to. When youвЂ™ve selected the Database table option you will be prompted to вЂSelect a ServerвЂ™ under Connection. Writing to a database will be the very last step of your workflow and can be found within an Output step, alongside the output to File & Published Data Source options: In this blog, I am going to take a look into the different options that are available when choosing to output your data to a database! How to Write to a Database With this functionality, it allows users to go beyond just preparing and cleaning data for use within Tableau by giving the option to write back to the original data source. Writing to a relational database is a feature that was added to Tableau Prep in the 2020.3 release. | Tom Prowse Output to a Database from Tableau Prep

Tableau prep custom sql