ORA-01465: 使用 BLOB 時，oracle 中的十六進制數無效 (ORA-01465: invalid hex number in oracle while using BLOB)

問題描述

ORA‑01465: 使用 BLOB 時，oracle 中的十六進制數無效 (ORA‑01465: invalid hex number in oracle while using BLOB)

我正在用 oracle 11g 設計一個數據庫。我設計了一個帶有字段的表，

CUST_ID, NUMBER(5) //this is a foreign key
Review, BLOB //to store big strings 
Date, SYSDATE

現在當我嘗試在表中插入數據時，例如‑

insert into "ReviewTable" values ( 3, 'hello, this is the first review',SYSDATE)

它給出 [Err] ORA‑01465: invalid hex number . 如果有人可以幫助我解決錯誤？

參考解法

方法 1:

you cast your string into BLOB, you can do this via package utl_raw.cast_to_raw or convert varchar to clob via to_clob('mystring') and then use procedure DBMS_LOB.convertToBlob in your code

but if you are going to use the fields for string why don`t save them as a CLOB?

Here are 2 examples below with BLOB and CLOB fields

BLOB

create table ReviewTable( CUST_ID NUMBER(5)
,Review  BLOB  
,Dt Date);

insert into ReviewTable values ( 3, utl_raw.cast_to_raw('hello, this is the first review'),SYSDATE);

CLOB

create table ReviewTable2( CUST_ID NUMBER(5)
,Review  CLOB  
,Dt Date);

insert into ReviewTable2 values ( 3, 'hello, this is the first review',SYSDATE);

(by Nasif Imtiaz Ohi、are)

參考文件

1. ORA‑01465: invalid hex number in oracle while using BLOB (CC BY‑SA 2.5/3.0/4.0)