SELECT * FROM table WHERE some_col IS NULL OR some_col = '';
A slug is a short name using human-readable keywords to identify a web page. For…
[crayon-663788d042c09028972764/]
[crayon-663788d042d1b857192577/]
[crayon-663788d042ff4389319366/] [crayon-663788d042ffa939357509/]