摘要：
将随着时间不断增大的数字N个依次编号为1到N的N个球，颜色每次随机为红黑蓝，时间上先后逐个放入篮子中，计算离现在最近的24个球的红、黑、蓝颜色数 广告投放监控 a bitwise operation http://redis.io/commands/bitop http://blog.getspoo 阅读全文
摘要：
Computer Science An Overview _J. Glenn Brookshear _11th Edition Over the years numerous variations of the basic index concept have been used.One varia 阅读全文
摘要：
Computer Science An Overview _J. Glenn Brookshear _11th Edition Inherent in processing a sequential file is the need to detect when the end ofthe file 阅读全文
摘要：
Computer Science An Overview _J. Glenn Brookshear _11th Edition To solve such problems, a DBMS could force transactions to execute intheir entirety on 阅读全文
摘要：
Computer Science An Overview _J. Glenn Brookshear _11th Edition To emphasize the delicate nature of DBMS design, we should note that thereare subtle p 阅读全文
摘要：
Computer Science An Overview _J. Glenn Brookshear _11th Edition Before a transaction is allowed to alter the database, the alteration to be per-formed 阅读全文