Oracle sqlplus input Scott/tiger error: the account is locked Solution

 

In Oracle, an error is often reported: the account is locked. Almost all beginners will encounter this error. In fact, the solution is very simple. Enter the User Name: System
Enter the password: Admin(Note: This password is set in the first step when you install oracle.) then, the system displays: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0-Production
With the partitioning, OLAP and Data Mining optionsThis indicates that the logon is successful. Enter the following statement: Alter user Scott account unlock;The purpose of this statement is to unlock it, And then display: The user has changed.The unlock is successful. Enter exit to exit. Log On again. enter username: Scott password: tiger and a message will be displayed to change the password. It is best to re-enter the original password tiger!