Oracle

  1. Ensure that you have your Dbms Output window open through the view option in the menubar.
  2. Click on the green '+' sign and add your database name.
  3. Write 'DBMS_OUTPUT.ENABLE;' within your procedure as the first line. Hope this solves your problem.
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原文地址：https://www.cnblogs.com/kakaisgood/p/10141785.html