为什么ResultSet meteData getColumnName得到所有大写的列名

Question

My query like below:

select a "Column A" from table

and I am using

ResultSetMetaData metaData = rs.getMetaData();
metaData.getColumnName();

I got the column name as "COLUMN A" rather than "Column A". I tried to use"

select a as ColumnA from table

Still got "COLUMN A"

Why ResultSet meteData getColumnName got all Upper case column name? How can I get the lowercase instead?

Answer 1

getColumnName(i) always returns the designated column's name, so, this problem is not related with the method but your database.
I think you've better check your database and see how the column names set.

UPDATE: I used this method with MYSql and Sqlite and MS Acces, I didn't face any problem like that.