摘要:
索引组织表 在InnoDB存储引擎中,表都是根据主键顺序组织存放的,这种存储方式的表称为索引组织表(index organized table).在InnoDB存储引擎表中,每张表都有个主键(Primary Key),如果在创建表时没有显式地定义主键,则InnoDB存储引擎会按如下方式选择或创建主键 阅读全文
摘要:
#coding:utf-8from bs4 import BeautifulSoupimport requestsimport urllib user_agent = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTM 阅读全文
摘要:
#coding:utf-8import csv headers = ['ID','UserName','Password','Age','Country'] rows = [(1001,'qiye','qiye_pass',24,'China'), (1002,'Mary','Mary_pass', 阅读全文
摘要:
# coding:utf-8import requestsimport jsonfrom bs4 import BeautifulSoup user_agent = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML 阅读全文