Also, a SELECT statement that uses WHERE column_name <> XYZ_value returns all rows that are not XYZ_value and that are not NULL. When ANSI_NULLS is ON, all comparisons against a null value evaluate to ...

Here’s the SQL query generated by this M query: select [_].[EnglishDayNameOfWeek] from ( SELECT EnglishDayNameOfWeek FROM DimDate ) as [_] where [_].[EnglishDayNameOfWeek] = 'Friday' Of course this ...

As we saw in the last article, the SQL SELECT statement has the widest variety of query options, ... SUM works just like AVG, except it returns the sum of values in all fields in the result set.

Query. To see all available qualifiers, see our documentation. Cancel Create saved search Sign in Sign up Appearance settings. Resetting focus. You signed in with another tab or window. Reload to ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

It’s surprisingly easy to stop query folding happening in Power Query by changing the data type of a column. This is mentioned in the docs here, and it’s something several people have blogged about ...

SELECT value FROM OPENJSON (@json, ‘$.info.tags’) In this example, string values from the tags array are returned. However, the OPENJSON function can return any complex object. Finally, there is a FOR ...

When you add the FOR JSON clause at the end of a SQL SELECT query, SQL Server will take the results, format them as JSON text, and return them to the client. Every row will be formatted as one JSON ...