大數(shù)據(jù)采集技術(shù)就是對(duì)數(shù)據(jù)進(jìn)行ETL操作,通過對(duì)數(shù)據(jù)進(jìn)行提取、轉(zhuǎn)換、加載,最終挖掘數(shù)據(jù)的潛在價(jià)值。ETL,是英文 Extract-Transform-Load 的縮寫,數(shù)據(jù)從數(shù)據(jù)來源端經(jīng)過抽取(extract)、轉(zhuǎn)換(transform)、加載(load)到目的端,然后進(jìn)行處理分析的過程。用戶從數(shù)據(jù)源抽取出所需的數(shù)據(jù),經(jīng)過數(shù)據(jù)清洗,最終按照預(yù)先定義好的數(shù)據(jù)模型,將數(shù)據(jù)加載到數(shù)據(jù)倉庫中去,最后對(duì)數(shù)據(jù)倉庫中的數(shù)據(jù)進(jìn)行數(shù)據(jù)分析和處理。