SET column_to_update = table_b.column_to_update_from FROM table_b WHERE condition1 AND condition2 AND ...; This query does the following: For each row in table_a, find the corresponding row in table_b ...

With the current schema changer infrastructure, it's difficult to support alter column type in transactions. This is because the computed column swap doesn't actually occur until the transaction is ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Senyo Simpson discusses how Rust's core ...

When you’re writing an M expression for a custom column in Power BI or Power Query it’s easy to reference the values in other columns. A slightly more difficult question, however, is how can you ...