Oracle PL/SQL Tutorial/System Tables Data Dictionary/all tab comments

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Find out all table comments

SQL>
SQL>
SQL> COLUMN     comments FORMAT a45
SQL> SELECT     table_name, comments
  2  FROM       all_tab_comments
  3  WHERE      table_name = UPPER("&&table_name");
Enter value for table_name:
old   3: WHERE      table_name = UPPER("&&table_name")
new   3: WHERE      table_name = UPPER("")
no rows selected