21 lines
748 B
Python
21 lines
748 B
Python
#------------------------------------------------------------------------------
|
|
# query_scroll.py (Section 3.4)
|
|
#------------------------------------------------------------------------------
|
|
|
|
#------------------------------------------------------------------------------
|
|
# Copyright 2017, Oracle and/or its affiliates. All rights reserved.
|
|
#------------------------------------------------------------------------------
|
|
|
|
import cx_Oracle
|
|
|
|
con = cx_Oracle.connect("pythonhol", "welcome", "localhost/orclpdb")
|
|
cur = con.cursor(scrollable = True)
|
|
|
|
cur.execute("select * from dept order by deptno")
|
|
|
|
cur.scroll(2, mode = "absolute") # go to second row
|
|
print(cur.fetchone())
|
|
|
|
cur.scroll(-1) # go back one row
|
|
print(cur.fetchone())
|