Oracle Error:SP2-0171:HELP system not availabl...

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在某DB上想查看sqlplus的'set'命令用法:
SQL> ? set
SP2-0171: HELP system not available.

Cause
Command-line SQL*Plus help is not installed in this Oracle instance.

Action
Command-line SQL*Plus help is not installed in this Oracle instance. Use the $ORACLE_HOME/sqlplus/admin/help/hlpbld.sql script to install HELP on this database:

SQL> @?/sqlplus/admin/help/hlpbld.sql helpus.sql
在刚才的命令中如果不输入'helpus.sql',则需要交互式的回答以下两个问题:
--输入helpbld.sql所在目录的全路径
var1 : 
/opt/oracle/product/11.2.0/sqlplus/admin/help
--输入helpus.sql文件的全路径(包含文件名)
var2 :  
/opt/oracle/product/11.2.0/sqlplus/admin/help/helpus.sql

转载于:https://my.oschina.net/liuliufa/blog/74464

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