自己在测试环境想要使自己的Oracle数据库用户使用简单的密码方便测试，结果指定密码的密码验证失败

SQL> alter user zzw identified by zzw;
alter user zzw identified by zzw
*
ERROR at line 1:
ORA-28003: password verification for the specified password failed
ORA-20001: Password length less than 8

取消Oracle数据库密码复杂度查询

SQL> alter profile default limit password_verify_function null;Profile altered.SQL> alter user zzw identified by zzw;User altered.