select.json

{
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  "author": "ccat",
  "source": "select.md",
  "notebook_enable": false,
  "exercise_id": "c873b09db60f4f93a8603a15e31d2a3a",
  "container_url": "https://mydev.csdn.net/ssh?image=cimg-centos7-skilltreemysql&connect=auto&create=auto&utm_source=skill"
}