摘要:
MySQL分页在表比较大的时候,分页就会出现性能问题,MySQL的分页逻辑如下:比如select * from user limit 100000,10 它是先执行select * from user 扫描满足这个SQL语句,拿到执行结果后, 一页一页的找到行号为100000的行,返回接下来的10行 阅读全文
摘要:
1. Read only the first sentence of a paragraph. If your author is a good author, he or she will begin each paragraph with a key statement that tells y 阅读全文