Goal : Count the data in each column
Input :
col1 | col2 | col3 |
a | {NULL} | b |
f | k | {NULL} |
h | {NULL} | n |
i | d | {NULL} |
{NULL} | s | {NULL} |
g | u | m |
l | x | o |
m | {NULL} | {NULL} |
c | d | z |
Output :
Count_Rows Count_col1
Count_col2 Count_col3
9 8
6 5
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