1·Attempt to use either an invalid user id or an invalid password to connect.
尝试使用无效的用户ID或无效的密码进行连接。
2·Invalid user mapping - The local or remote user id or password has changed.
无效用户映射——本地或远程用户ID或密码已改变。
3·In this case, we are processing the errors invalid user and invalid password.
本例中，我们要处理的错误为invalid user和invalid password。
4·This method can occlude the invalid user and greatly improve the security of the DBMS software.
此种方法可封闭非法用户的权限，大大提高数据库管理软件的安全性。
5·The test class contains two tests: one to authenticate a valid user and another to authenticate an invalid user.
这个测试类包含两个测试：一个是鉴定一个无效用户，另一个是鉴定一个有效的用户。
6·Try logging in with an invalid user name or password, and notice that an appropriate default error message appears.
尝试输入非法的用户名和密码，你会看到默认的错误信息。
7·For this, you can set the MCA channel user id of the SYSTEM.BKR.CONFIG channel of configuration manager queue manager value to an invalid user id value.
为此，可以将配置管理器队列管理器值的SYSTEM . BKR . CONFIG通道的MCA通道用户ID设置为无效的用户id值。
8·We need to live with the distributed nature of SimpleDB, which means we will have invalid users sometimes (such as when the user has not been pushed out but the row that refers to that user has).
我们需要忍受SimpleDB的分布式特性，这意味着我们有时会得到无效的用户(例如在没有推出用户但推出了引用该用户的行的时候)。
9·For example, a 1040ez tax form is invalid if a user has certain kinds of income or expenses.
例如，如果用户拥有一些特定种类的收入或费用，那么1040ez纳税单是无效的。
10·While you may be tempted to write off these problems as user error, you should resist the temptation and plan on handling invalid form submissions gracefully.
您可能会把这些问题看成是用户错误，因此不予理会；您应该抵制诱惑，并着手处理无效的表单提交。