mysql - How can i get number of entries and column name in a unique select? -
mysql - How can i get number of entries and column name in a unique select? -
i have next table:
idcolumn name role status 1 peter ope 0 2 peter adm 1 3 jon ope 1 4 mac adm 1 5 jon adm 0 6 peter sec 1
what wanted column name , number of entries each 1 in single query.
select name, count(*) table status = 1;
exit example:
--------------- name | count()| --------------- peter| 2 | jon | 1 | mac | 1 | ---------------
this basic group by
query:
select name, count(*) table status = 1 grouping name;
if going utilize sql, should larn basics. group by
, join
basics of sql language.
mysql select count columnname
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