If you are working with Excel spreadsheets or workbooks, juggling multiple tables of data, at some time you might need to combine them into one. Rather than spending hours manually copying and pasting ...
Hopefully someone has a little experience with this. <BR><BR>Here is the setup:<BR>I've got an old access database that stores purchasing information from a system we used for the past 10 years. There ...
Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. Explore Get the web's best business technology news, tutorials, ...
As I described here, Power BI can send SQL queries in parallel in DirectQuery mode and you can see from the Timeline column there is some parallelism happening here – the last two SQL queries ...
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