Database system and database updating and capacity expanding method and device
A database and data technology, applied in the database field, can solve problems such as time-consuming, difficult implementation, large-scale data redistribution, etc., and achieve high efficiency and simple operation
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[0049] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0050] In the prior art, the service performance of the database system is improved by adding data nodes of the MPP architecture. This method involves redistribution of large-scale data, which is difficult to implement and takes a long time. In view of the problems existing in the prior art, some embodiments of the present application provide a new da...
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