Python 2.7.9 Demo - 019.01.CRUD oracle by cx_Oracle

標籤：

 select

#coding=utf-8#!/usr/bin/pythonimport cx_Oracle;conn = None;cursor = None;try:    conn = cx_Oracle.connect(‘username/[email protected]/sid‘);    cursor = conn.cursor();    cursor.execute(‘select t.empno, t.ename from scott.emp t‘);    # 取回的是列表，列表中包含元組    list = cursor.fetchall();    print list;    for record in list:        print "Record %d is %s!" % (record[0], record[1]);    except Exception as e:    print (‘Error : {}‘.format(e));finally:    cursor.close;    print ‘cursor closed.‘;    conn.close;    print ‘connection closed.‘;    

 

insert

#coding=utf-8#!/usr/bin/pythonimport cx_Oracle;import time;conn = None;cursor = None;try:    conn = cx_Oracle.connect(‘username/[email protected]/sid‘);    cursor = conn.cursor();    tuple = (‘1001‘, ‘Nick Huang‘);    cursor.execute("insert into scott.emp (empno, ename) values (:1, :2)", tuple);    conn.commit();    print ‘Insert successfully.‘;except Exception as e:    print (‘Error : {}‘.format(e));finally:    cursor.close;    print ‘cursor closed‘;    conn.close;    print ‘connection closed‘;    

 

update

#coding=utf-8#!/usr/bin/pythonimport cx_Oracle;import time;conn = None;cursor = None;try:    conn = cx_Oracle.connect(‘username/[email protected]/sid‘);    cursor = conn.cursor();    tuple = (‘Robin Chen‘, ‘1001‘);    cursor.execute("update scott.emp t set t.ename = :1 where t.empno = :2", tuple);    conn.commit();    print ‘Update successfully.‘;except Exception as e:    print (‘Error : {}‘.format(e));finally:    cursor.close;    print ‘cursor closed‘;    conn.close;    print ‘connection closed‘;    

 

delete

#coding=utf-8#!/usr/bin/pythonimport cx_Oracle;import time;conn = None;cursor = None;try:    conn = cx_Oracle.connect(‘username/[email protected]/sid‘);    cursor = conn.cursor();    param_map = {‘id‘ : ‘1001‘};    cursor.execute("delete from scott.emp t where t.empno = :id", param_map);    conn.commit();    print ‘Delete successfully.‘;except Exception as e:    print (‘Error : {}‘.format(e));finally:    cursor.close;    print ‘cursor closed‘;    conn.close;    print ‘connection closed‘;    

 

Python 2.7.9 Demo - 019.01.CRUD oracle by cx_Oracle