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Append two tables using left antijoin
I have two tables with same structures (tickets), one contains the all data (unchanging) and the other (new data). Based on the day, the new data can contain rows from the all data. How can I merge t...
workmonitored as a rule of thumb and best practice, do transformation/data preparation as upstream as possible, and as close to the source.
if you can do this in an SQL server then better to do it there so that it can be used for other reports/projects as well instead of doing it in Power BI.
Hope this helps.
parry2k
Super User
Super Userworkmonitored at this point performance is more of SQL server, not Power BI. you have to make sure your queries in the SQL server are optimized, Power BI is just reading data and will depend on the SQL server.