What is the sys user table?

Oracle internal table SYS. USER$ has got many interesting columns for DBAs. Internal table SYS. USER$ keeps both users and roles. The table is basic table that enlist database users and is referenced by almost all other dictionary views.

What is a SYS user?

The sys account gives users access to system objects such as system tables, system views, extended stored procedures, and other objects that are part of the system catalog. The sys user owns these objects. Like the INFORMATION_SCHEMA user, it cannot be dropped from the database.

What is ptime in sys user?

LTIME is the date the user was last locked. (Note that it doesn’t get NULL ed when you unlock the user). PTIME is the date the password was last changed. LCOUNT is the number of failed logins.

What is SYS password in Oracle?

FYI there is no default password for SYS (like scoot/tiger ) IronDrake Member Posts: 30. Hi There, Actually, when you create a database without providing a SYS or SYSTEM password Oracle creates these user with the following credentials: SYS: change_on_install.

What is the difference between SYS and system users?

Every object in the database (tables, views, packages, procedures, etc. ) all have a single owner. For the database dictionary, and a whole lot of special tables (performance views and the like) are all owned by the SYS user. The SYSTEM user is supposed to be the master DBA user, with access to all of these object.

How do I log into a SYS user in Oracle?

To connect as SYSDBA supplying the SYS user name and password:

1. Log in to the Oracle Database XE host computer with any user account.
2. Do one of the following:
3. At the SQL Command Line prompt, enter the following command: CONNECT SYS/password AS SYSDBA.

What is the difference between a live user and a normal user?

an apllication user is simply a user with permission to files so the application can access them, a normal user has multiple flags on the account that allow it to do basic things such as: login. use apps.

What is user$ table in Oracle?

USER_TABLES describes the relational tables owned by the current user. Its columns (except for OWNER ) are the same as those in ALL_TABLES . To gather statistics for this view, use the ANALYZE SQL statement.

What is Oracle database service?

The Database service offers autonomous and co-managed Oracle Database cloud solutions. You can quickly provision an autonomous database or co-managed DB system.

How do I find my SYS password?

Recovering from lost sys password using OS authentication on Unix

1. Make sure that the OS user that is logged on is member of the dba group.
2. Make sure that the sqlnet.ora file does not contain the:
3. check the ORACLE_HOME, ORACLE_SID and PATH parameters.
4. connect to the instance using:
5. Change the sys password using:

What does Sysdba mean?

SYSDBA and SYSOPER are administrative privileges required to perform high-level administrative operations such as creating, starting up, shutting down, backing up, or recovering the database. For example, if you have the SYSDBA privilege, then you can connect to the database using AS SYSDBA .

What do the columns in sys.user$ represent?

CTIME is the date the user was created. LTIME is the date the user was last locked. (Note that it doesn’t get NULL ed when you unlock the user).

What does sys.user$ mean in Oracle?

Oracle internal table SYS.USER$ has got many interesting columns for DBAs. This article describes some of them. Internal table SYS.USER$ keeps both users and roles. The table is basic table that enlist database users and is referenced by almost all other dictionary views. some of the columns have got following meaning:

How to show user as ” Sys ” in SQL?

Deutsche Übersetzung dieses Beitrages auf www.markusdba.de SQL> show user USER is “SYS” SQL> alter session set container=PDB01; Session altered. SQL> create user localadmin identified by manager; User created.