import pyodbc

hil_sql = """
    ALTER TABLE hil_ocr_result ADD ht_ocr nvarchar(max);
    ALTER TABLE hil_se_ocr_result ADD ht_ocr nvarchar(max);
"""

afc_sql = """
    ALTER TABLE afc_ocr_result ADD ht_ocr nvarchar(max);
    ALTER TABLE afc_se_ocr_result ADD ht_ocr nvarchar(max);
"""

hil_cnxn = pyodbc.connect('DRIVER={ODBC Driver 17 for SQL Server};', autocommit=True)

hil_cursor = hil_cnxn.cursor()
hil_cursor.execute(hil_sql)

hil_cursor.close()
hil_cnxn.close()

afc_cnxn = pyodbc.connect('DRIVER={ODBC Driver 17 for SQL Server};', autocommit=True)

afc_cursor = afc_cnxn.cursor()
afc_cursor.execute(afc_sql)

afc_cursor.close()
afc_cnxn.close()