oracle查看编码以及修改编码，[Err] ORA-01704: string literal too long

        C:\Users\Administrator>sqlplus sys/pass as sysdba SQL*Plus: Release 11.2.0.1.0 Production on 星期一 7月 13 19:09:15 2020 Copyright (c) 1982, 2010, Oracle.  All rights reserved. 连接到: Oracle Databas

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