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已故的Jim Gray在其《事务处理》一书中提到:6000年以前,苏美尔人(Sumerians)就使用了数据记录的方法,已知最早的数据是写在土块上,上面记录着皇家税收、土地、谷物、牲畜、奴隶和黄金等情况.随着社会的进步和生产力的提高,类似土块的处理系统演变了数千年,经历了殷墟甲骨文、古埃及纸莎草纸、羊皮纸等.19世纪后期,打孔卡片出现,用于1890年美国人口普查,用卡片取代土块,使得系统可以每秒查找或更新一个“土块”(卡
The late Jim Gray mentions in his book “Transactional Processing” that Sumerians used a method of data logging six thousand years ago, the earliest known data was written on clods recorded above With imperial taxation, land, grain, livestock, slaves and gold, the earth-like processing system evolved for thousands of years as society progressed and productivity increased. It went through the oracle remains of Oracle, ancient Egyptian papyrus, sheepskin Paper, etc. In the late 19th century punch cards appeared for the US Census of 1890, replacing soil blocks with cards so that the system could find or update a “soil block” per second