from pandas import DataFrame
import pyodbc
cnxn = pyodbc.connect(databasez)
cursor.execute("""SELECT ID, NAME AS Nickname, ADDRESS AS Residence FROM tablez""")
DF = DataFrame(cursor.fetchall())
这可以填充我的pandas DataFrame.但我怎么得到
DF.columns = ['ID', 'Nickname', 'Residence']
直接从光标？该信息是否完全存储在光标中？