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【DM版本】:
【操作系统】：
【CPU】:
【问题描述】*：```language
conn方式连接时，如果密码中包含@符号，该怎么实现连接？
SQL> conn 'topicis/"Topnet@123"'
USAGE:CONN[ECT] <logon>

<logon> ::= {<username>[/<password>] | /}[@<connect_identifier>][<logon_option>] [<os_auth>]
<connect_identifier> ::= [<svc_name> | Host[:Port] | <unixsocket_file>]
Host ::= if ipv6 address,[] is needed. For example [fe80::1e6f:65ff:fed1:3724%6]
<unixsocket_file> ::= If INET_TYPE is UNIXSOCKET, then <connect_identifier> must be unixsocket file path name. For example, /data/sdb/DAMENG/foo.sock
<logon_option> ::= #{<extend_option>=<value>[,<extend_option>=<value>]...}
<os_auth> ::= AS {SYSDBA|SYSSSO|SYSAUDITOR|USERS|AUTO}

<extend_option> <value>
MPP_TYPE GLOBAL/LOCAL
INET_TYPE UDP/TCP/IPC/RDMA/UNIXSOCKET
SSL_PATH <path_str>
SSL_PWD <pwd_str>
PROXY_CLIENT <user_str>