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ORA-01425: escape character must be character string of length 1 ORACLE 报错 故障修复 远程处理

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ORA-01425: escape character must be character string of length 1 ORACLE 报错 故障修复 远程处理

文档解释

ORA-01425: escape character must be character string of length 1

Cause: Given escape character for LIKE is not a character string of length 1.

Action: Change it to a character string of length 1.

错误代码:ORA-01425

错误描述:escape character must be character string of length 1

ORA-01425 错误位于SQL语句的WHERE子句中,指定的转义字符必须是字符串的长度为1。 错误的转义字符可能是Oracle数据库中定义操作码中定义的任何一个字符,如%,_,\,!,{,等等。

官方解释

操作失败,因为ESCAPE子句指定的字符串长度不为1.

常见案例

当试图编写包含ESCAPE子句的SQL语句时,可能会导致ORA-01425错误。下面的SQL语句可能会导致此错误:

SELECT * FROM emp

WHERE emp_name LIKE ‘%\_%’ ESCAPE ‘\ !’

正常处理方法及步骤

1.检查ESCAPE子句中的转义字符是否是单个字符。

2.将转义字符重新定义为单个字符。

3.重新编译SQL语句,以确保它正常工作。

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ORA-01425: escape character must be character string of length 1 ORACLE 报错 故障修复 远程处理

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