Friday, April 23, 2010

In sqlplus What query would you use to determine the most popular (the column name that appears the most frequ

In sqlplus What query would you use to determine the most popular (the column name that appears the most frequently) column name in the tables of your database?

In sqlplus What query would you use to determine the most popular (the column name that appears the most frequ
select column_name, count(*)


from user_columns


group by column_name


order by count(*)


;





This will show each column name and the number of times it appears in tables. The one with the most occurances will be a the bottom of the list.


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