MySQLdb的实现方法是：
conn=MySQLdb.connect(..., cursorclass=MySQLdb.cursors.DictCursor)
或者用MySQLdb.cursors.SSDictCursor。前者数据存储在客户端，后者数据存储在服务器。
推荐:http://www.cnblogs.com/roucheng/p/pythonstring.html
python sqlite中通过字段名获取查询结果
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python sqlite中通过字段名获取查询结果
sqlite3
con = sqlite3.connect("mydb")
con.row_factory = sqlite3.Row
cur = con.cursor()
cur.execute("select name_last, age from people")
for row in cur:
assert row[0] == row["name_last"]
assert row["name_last"] == row["nAmE_lAsT"]
assert row[1] == row["age"]
assert row[1] == row["AgE"]
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