What are the standard default users in Oracle?
List of default database users
| User | Password | Purpose |
|---|---|---|
| MDSYS | MDSYS | Oracle Spatial administrator user |
| ORACLE_OCM | ORACLE_OCM | Owner of packages used by Oracle Configuration Manager |
| ORDPLUGINS | ORDPLUGINS | Object Relational Data (ORD) User used by Time Series, etc. |
| ORDSYS | ORDSYS | Object Relational Data (ORD) User used by Time Series, etc. |
What are the default tables in Oracle?
Oracle / PLSQL: Oracle System Tables
| System Table | Description |
|---|---|
| ALL_TABLES | Description of relational tables accessible to the user |
| ALL_TAB_COLUMNS | Columns of user’s tables, views and clusters |
| ALL_TAB_COL_STATISTICS | Columns of user’s tables, views and clusters |
| ALL_TAB_COMMENTS | Comments on tables and views accessible to the user |
What are Oracle user tables?
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 are the default users in Oracle 12c?
Oracle 12cR1 Database Security – Default Users
- 9iR2 @ 30 by default.
- 10gR2 @ 27 by default.
- 11g R1 @ 35 by default.
- 11g R2 @ 36 by default.
- 12c R1 @ 35 by default.
What are the default users in Oracle 11g?
DEFAULT SCHEMA
| USER NAME | DEFAULT TABLESPACE | TEMPORARY TABLESPACE |
|---|---|---|
| BI | USERS | TEMP |
| CTXSYS | SYSAUX | TEMP |
| DBSNMP | SYSTEM | TEMP |
| DIP | USERS | TEMP |
What does default do in SQL?
The DEFAULT constraint is used to set a default value for a column. The default value will be added to all new records, if no other value is specified.
What is a user table?
The Users table is a supporting table. Each record in the table stores information about one user involved in calls or sessions that have records in the database.
What is default schema in Oracle?
Default schemas (such as SYS , SYSTEM , and RMAN ) are reserved by Oracle for various product features and for internal use. Access to a default schema can be a very powerful privilege. For example, a workspace with access to the default schema SYSTEM can run applications that parse as the SYSTEM user.
How can I see all users in Oracle?
SELECT * FROM user_users;
- Oracle ALL_USERS. The ALL_USERS view lists all users that visible to the current user. However, this view doesn’t describe the users.
- Oracle DBA_USERS. The DBA_USERS view describes all user in the Oracle database.
- Oracle USER_USERS. THe USER_USERS view describes the current user:
How to check and change default tablespace for user in Oracle?
Check and Change Default Tablespace for User in Oracle 1. Check the User default tablespace select username,default_tablespace from dba_users where username =… 2. In this user MDSYS has the tablespace SYSAUS as default. 3. Change the user Default tablespace SQL> alter user MDSYS default tablespace
What is scope of rows in Oracle SQL Developer?
Scope of rows: (A) all columns having default values defined in tables accessible to the current user in Oracle database, (B) all columns having default values defined in tables in Oracle database Here is a view of table columns’ default values in Oracle SQL Developer:
Can I change the default tablespace for Sys and system users?
Remember to change the passwords for the SYS and SYSTEM users immediately after installation! Except for the user SYS and users having SYSAUX as default tablespace, there should be no problem altering these users to use a different default and temporary tablespace.
