Python编程实战之Oracle数据库操作示例

$ sudo rpm -ivh oracle-instantclient11.2-basic-11.2.0.3.0-1.i386.rpm

import cx_Oracle
conn = cx_Oracle.connect('fkong/fkong@172.17.23.129/orcl')
cursor = conn.cursor ()
cursor.execute ("select * from dual")
row = cursor.fetchone ()
print row[0]
cursor.close ()
conn.close ()

import cx_Oracle
conn = cx_Oracle.connect('fkong/fkong@172.17.23.129/orcl')
cursor = conn.cursor ()
cursor.execute ("CREATE TABLE TEST(ID INT, COL1 VARCHAR(32), COL2 VARCHAR(32), COL3 VARCHAR(32))")
cursor.execute ("INSERT INTO TEST (ID, COL1, COL2, COL3)VALUES(1, 'a', 'b', 'c')")
cursor.execute ("INSERT INTO TEST (ID, COL1, COL2, COL3)VALUES(2, 'aa', 'bb', 'cc')")
cursor.execute ("INSERT INTO TEST (ID, COL1, COL2, COL3)VALUES(3, 'aaa', 'bbb', 'ccc')")
conn.commit()
cursor.close ()
conn.close ()

import cx_Oracle
conn = cx_Oracle.connect('fkong/fkong@172.17.23.129/orcl')
cursor = conn.cursor ()
cursor.execute ("SELECT * FROM TEST")
rows = cursor.fetchall()
for row in rows:
  print "%d, %s, %s, %s" % (row[0], row[1], row[2], row[3])
print "Number of rows returned: %d" % cursor.rowcount
cursor.execute ("SELECT * FROM TEST")
while (1):
  row = cursor.fetchone()
  if row == None:
    break
  print "%d, %s, %s, %s" % (row[0], row[1], row[2], row[3])
print "Number of rows returned: %d" % cursor.rowcount
cursor.close ()
conn.close ()