The star that we used in “select * from bands” is a reserved character in MySQL that represents “all.” What we effectively asked was “select everything in the bands table.” We can drop the fields we d...The star that we used in “select * from bands” is a reserved character in MySQL that represents “all.” What we effectively asked was “select everything in the bands table.” We can drop the fields we do not want to see by specifying only the ones we want. Since we only want to change the records where we do not have a producerID (even though in our case it is all of them) we need to specify that we want to change the column where the field is null.
The star that we used in “select * from bands” is a reserved character in MySQL that represents “all.” What we effectively asked was “select everything in the bands table.” We can drop the fields we d...The star that we used in “select * from bands” is a reserved character in MySQL that represents “all.” What we effectively asked was “select everything in the bands table.” We can drop the fields we do not want to see by specifying only the ones we want. Since we only want to change the records where we do not have a producerID (even though in our case it is all of them) we need to specify that we want to change the column where the field is null.