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Discuss with Mr. bang

2021-05-04 15:47:34 Jiedao jdon

JDON It's a good forum , You can learn a lot from it , Especially design patterns , A lot of object-oriented knowledge , But there's one thing I really agree with , Namely BAND, Like weakening databases , Both object-oriented and database are tools in software development , No one can replace anyone ,BAND It could be theoretical , I haven't done too many practical projects in large companies , Little imagine , Now large systems, especially those like ERP, The main part of telecommunication system is data processing , The amount of data is huge , Tens of millions , There are dozens of tables associated with queries , If it's purely object-oriented , Performance problems are enough to drive the project down , So that there must be a lot of... In big companies now DBA, To do this work , Databases are particularly important . The performance advantage of database is incomparable to that of object-oriented . You see EBAY, Alibaba ,newegg And some of the world's biggest companies , It's all about data processing .

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