sql - select xls inserted data into Blob field in oracle

Question

there is a Blob column in my table test.in Blob column an xlsx data has inserted in this column using java front end.

I want to view the data in the blob column(4 coloumns is available i excel sheet).

I have used utl_raw.cast_to_varchar2(dbms_lob.substr(blob_field))

but its not help us to view the xls data.

Please assist.

Answer 1

如果要查看存储在 BLOB 中的 XLS 数据，可以使用 SQLDeveloper。在表格的数据网格中双击字段，单击出现的铅笔图标。弹出一个“编辑值”窗口。
在“保存的数据”选项卡中选择“外部编辑器”以使用 excel 打开文件或选择“下载”。