这个可是国内高手彭建军的db2学习笔记，在我学db2的时候提供了很多的帮助，作为入门教材也可以，作为晋级阅读也可以-The internal master Peng Jianjun, but the db2 study notes, in my school when db2 offers a lot of help, as a primer can also be, as a promotion can also be read
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