
Accessing a column in a MySQL table that might contain null or empty values requires a method to check their validity. To identify rows with empty or null values, consider the following approach:
This query selects all rows where the column "some_col" is NULL or an empty string ('') regardless of any space characters:
SELECT * FROM table WHERE some_col IS NULL OR some_col = '';
The above is the detailed content of How to Select Rows with NULL or Empty Values in a MySQL Column?. For more information, please follow other related articles on the PHP Chinese website!
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