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Move UNION earlier as well?
-
COALESCE
Practice
Read the "Learning MySQL" textbook, chapter 7. Work on the online SQL Tutorial by W3Scools Work on the SQL course on Code Academy Work on the SQL course on Khan Academy
Move UNION earlier as well?
COALESCE
Practice
Read the "Learning MySQL" textbook, chapter 7. Work on the online SQL Tutorial by W3Scools Work on the SQL course on Code Academy Work on the SQL course on Khan Academy