摘要:
收藏几个有意思的SQL脚本 快速获取表test的记录总数 : selectrowsfromsysindexeswhereid=object_id('test')andindidin(0,1) 提取数据库内所有表的字段详细说明的SQL语句 : SELECT (casewhena.col... 阅读全文
摘要:
Introduction What is a WebSpider A WebSpider or crawler is an automated program that follows links on websites and calls a WebRobot to handle the cont... 阅读全文