Python 2.7.9 Demo - 019.01.CRUD oracle by cx_Oracle

coding=utf-8 #!/usr/bin/python import cx_Oracle; conn = None; cursor = None; try: conn = cx_Oracle.connect(‘username/password@xxx.xxx.xxx.xxx/sid‘); cursor = conn.cursor(); cursor.execute(‘select t.empno, t.ename from scott.emp t‘); # 取回的是列表，列表中包含元组 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/python
import cx_Oracle;
import time;

conn = None;
cursor = None;
try:
    conn = cx_Oracle.connect(‘username/password@xxx.xxx.xxx.xxx/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/python
import cx_Oracle;
import time;

conn = None;
cursor = None;
try:
    conn = cx_Oracle.connect(‘username/password@xxx.xxx.xxx.xxx/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/python
import cx_Oracle;
import time;

conn = None;
cursor = None;
try:
    conn = cx_Oracle.connect(‘username/password@xxx.xxx.xxx.xxx/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

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