Removing NULL values from columns (MySQL) -

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so have table 4 columns (c1, c2, c3 , c4) , of fields in these columns have null values. want trim/remove these null values without having remove whole column or row (i.e. null value). instance, if have:

c1: 1 2 3 null null 7 9 2 null c2: null null null 4 5 3 null null

i want show this:

c1: 1 2 3 7 9 2 c2: 4 5 3

thanks in advance guys!


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