When the ALTER TABLE statement adds a column to the table, it initializes the column's values to missing in all rows of the table. Use the UPDATE statement to add values to the new column (s).

Learn how to add a calculated column in Microsoft Power BI to enrich your data and provide easier insights with this guide.

Learn how to add and remove Primary Keys from an Access database table. The primary key's purpose is to promptly associate data from multiple tables and combine that data.

7. Click Add. Add the new measure, Amount YTD, to the visualization (Figure G). Notice that the returned values are the same as those in the running totals column until the date 2/17/22.