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D Elis
13,571 PointsDoes anyone know exactly what TEACHERS.* does in this video?
He quickly went over it but didn't explain what it is actually doing...
2 Answers
Steven Parker
231,269 PointsThe asterisk ("*") symbol means "all columns", and when you combine it with a table name using dot notation, it means "all columns from that specific table".
This is handy for when you joined with one or more other tables, but only want to display the columns from one of them.
D Elis
13,571 Pointsthank you