How to set the default account password for Oracle database?

It is very important to set the default account password for the Oracle database, which can enhance the security of the database. In the Oracle database, the default administrator account is SYS. Sometimes we need to change the default password of this account. The following are specific steps and code examples:

1. First, open SQL*Plus or other Oracle database management tools and connect to the database:

sqlplus / as sysdba

2. Then, Use the following SQL statement to change the password of the SYS account:

ALTER USER sys IDENTIFIED BY 新密码;

For example, if you want to set the password of the SYS account to "newpassword", the SQL statement is as follows:

ALTER USER sys IDENTIFIED BY newpassword;

3. Next, if you need to change the default password of other users, you can use the following SQL statement:

ALTER USER 用户名 IDENTIFIED BY 新密码;

For example, if you want to set the password of the user named "scott" to "tiger", then SQL The statement is as follows:

ALTER USER scott IDENTIFIED BY tiger;

4. Finally, remember to save the changes and exit SQL*Plus or other database management tools:

COMMIT;
EXIT;

Through the above steps and code examples, you can easily Set the default account password for the Oracle database to enhance database security. Hope this article is helpful to you.

The above is the detailed content of How to set the default account password for Oracle database?. For more information, please follow other related articles on the PHP Chinese website!