Teradata:如何显示lob内联(在单元格内)
I have a Teradata table which contains LOB objects in different columns.
When I do a query, it pops up window to ask where to save the LOB objects as txt files onto my disk.
LOB Information (due to my SOF level, I cannot display the screenshot)
My question is, is it possible to display the content of these LOB objects inline(inside the cells)?
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我找到了解决方案:
更改的配置
(由于我的SOF级别,我无法直接在帖子中显示图像)
将“句柄/clob大小”更改为较小的值,部分解决了我的问题。
之所以部分原因是因为LOB信息弹出了。
I found the solution:
Changed Configuration
(Due to my SOF level, I cannot show image directly in my post)
Changing the "Handle the BLOB/CLOB size" to smaller values solved my problem partially.
The reason why it's partially is because the LOB Information pop-up still there.
如果您只想在Teradata SQL Assistant中查看此内容(它不能显示任意宽的列):
如果Clob列中的字符串足够短,请将它们施放到您的查询中:
如果值超过VARCHAR限制(取决于varchar限制)在clob的字符集和会话字符设置的字符集上,但很容易获得数千个字符),然后使用子字符串限制输出:
这里有更多特定的限制信息: https://docs.teradata.com/r/r/r/teradata-sql------------助理 - 韦多斯 - 用户指导/2018年10月/启动/限制
If you want this for viewing in Teradata SQL Assistant only (it can't display arbitrarily wide columns):
If the strings in the CLOB columns are short enough, cast them to varchar in your query:
If the values can exceed varchar limits (depends on the character set of the CLOB, and session character settings, but easily thousands of chars), then use SUBSTRING to limit the output:
There is more specific limit information here: https://docs.teradata.com/r/Teradata-SQL-Assistant-for-Windows-User-Guide/October-2018/Getting-Started/Limitations