Python error updating a SQL DB

Question

I have some python code that looks like this

import pypyodbc
import pandas as pd
home=\"c:/SQL/\"
df = pd.read_sql_query(sql4, conn3
for y1 in range(0 , k):
            


        

Answer 1

In this case the correct Update statement is:

cursor.execute("""UPDATE ENCOMPASS_DIA SET CTIME=? WHERE SERNUM=?""", (SSTIME,ARCHIVE_SERNUM ))

Answer 2

An easy enough mistake to make.

 cursor.execute("""
        UPDATE ENCOMPASS_DIA
        SET CTIME=%s
        WHERE SERNUM=ARCHIVE_SERNUM
        """, (STIME, ))

There should be a trailing , after the STIME or (STIME) will be interpreted as a list instead of a tuple.