What is a problem query?

What is a problem query?

The N+1 query problem happens when the data access framework executed N additional SQL statements to fetch the same data that could have been retrieved when executing the primary SQL query. The larger the value of N, the more queries will be executed, the larger the performance impact.

What is an n 1 problem?

The N+1 query antipattern happens when a query is executed for every result of a previous query. The query count is N + 1, with N being the number of queries for every result of the initial query. If that initial query has one result, N+1 = 2. If it has 1000 results, N+1 = 1001 queries.

What happens if you make a Power Query error?

The good news is that you can always discard changes and start again. Data type errors will not prevent the data loading into the query; instead, those cells will be loaded as blank. Queries and Connections pane shows the error and indicates the number of lines with errors.

Is there a problem with Microsoft Excel query?

If there are problems bringing the data into Excel from Query, there is a problem with the DDE link. For these types of problems, contact Microsoft directly, or pursue further assistance through a consulting agreement. Refer to online help for Excel that discusses other options for retrieving external data via an Excel macro.

Is there a problem with MS query add in?

Problem: Users occasionally report an error bringing data into Microsoft Excel that has been downloaded with the MS Query Add-in (Xlquery.xla) from an external data source. Errors reported include rows of data missing or column headings appearing with no data in the spreadsheet.

What is the problem with Microsoft query 97?

Problem: MS Query 97 and MS Excel 97 fail with the error [IBM] [Client Access ODBC Driver (32-bit)]General Error. Cause: According to Microsoft, MS Query 97 uses only file DSNs. Verify that you have properly configured a file Data Source using ODBC Administration and use this data source in query. Microsoft has two technical support documents