Get Columns and Comments (Oracle)

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Get all my columns and comments.

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  1. SELECT col.table_name
  2. ,col.column_name
  3. ,col.data_type
  4. ,col.data_default
  5. ,col.nullable
  6. ,CASE WHEN col.data_type = 'varchar2' THEN col.data_length ELSE NULL END AS data_length
  7. ,com.comments
  8. FROM user_col_comments com
  9. JOIN user_tab_cols col
  10. ON com.table_name=col.table_name
  11. AND com.column_name=col.column_name
  12. ORDER BY col.table_name, col.column_id

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