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复制mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | andyqian | | mydata | | mysql | | performance_schema | | sys | +--------------------+ 6 rowsinset (0.00 sec) 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.
