Method: 1. Use the "select username,account_status,lock_date from dba_users;" command, which can display which users are locked; 2. Use "select * from dba_users where username='specify user instance name' " command, this command can display whether the specified user is locked. If "LOCK_DATE" in the result is empty, it means that it is not locked, and if it is not empty, it means that it is locked.
The operating environment of this tutorial: Windows 10 system, Oracle version 12c, Dell G3 computer.
How to check whether the oracle user is locked
1. Find out which users are locked:
select username,account_status,lock_date from dba_users;
The example is as follows:
2. Check whether the specified user is locked
Check whether a certain user (ABCuser) is locked:
select LOCK_DATE,username from dba_users where username='ABCecuser';
LOCK_DATE Empty means no locking, non-empty means locked.
Check the user status (whether it is locked)
select * from dba_users where username=‘user1’
Expand knowledge
– Unlock user1 to indicate the instance name
ALTER USER user1 ACCOUNT UNLOCK;
– Modify the user password user1 to represent the instance name
alter user user1 identified by newpass;
Recommended tutorial: "Oracle Video Tutorial"
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