How do you query a column by?
BY is a reserved word used by QUERY like “order BY C”. So when referencing the column BY you have to use back-quotes around it… back-quote key is located next to the number 1 key.
What does remove errors do in Power Query?
Data errors can occur as a result of a query or step evaluation, such as changing the type of a column to Number that results in errors for some cells. Remove errors because you want to clean up the data and the errors are not essential to fix for your purposes.
How to keep rows with errors in Power Query?
Power Query can also serve as a good auditing tool to identify any rows with errors. This is a good example of where Keep Errors can be of help. To keep rows with errors in Power Query, first select the column that contains errors. In the Reduce Rows group in the Home tab, select Keep Rows. From the dropdown menu, select the option to Keep Errors.
How to solve ” Ambiguous Name column ” error in SQL?
In this case, if you join the two tables and run the query without differentiating the names of the columns that are the same, the error “Ambiguous name column” will glare at you. How do you solve this? Simple. There are various ways to solve the “ambiguous name column” bug. One of the simplest ways to solve it is explained below.
When does the column of the table wasn’t found?
The column of the table wasn’t found This error is commonly triggered when a step makes a direct reference to a column name that doesn’t exist in the query. Example: You have a query from a text file where one of the column names was Column. In your query, you have a step that renames that column to Date.
Why do I get formula error in Power Query?
When combining or merging data between multiple data sources, you might get a Formula.Firewall error such as the one shown in the following image. This error can be caused by a number of reasons, such as the data privacy levels between data sources or the way that these data sources are being combined or merged.