What are the two limits in creating profile in Oracle database?
Profiles in Oracle
- sessions_per_user — Maximum concurrent sessions allowed for a user.
- cpu_per_session — Maximum CPU time limit per session, in hundredth of a second.
- cpu_per_call — Maximum CPU time limit per call, in hundredth of a second.
- connect_time — Maximum connect time per session, in minutes.
What is a user profile in Oracle?
A user profile is a collection of changeable options that affect the way your applications run. Oracle Applications establishes a value for each option in a user’s profile when the user logs on or changes responsibility.
Which are the permissions to access the names of the objects in a particular or prescribed manner?
A privilege is permission to access a named object in a prescribed manner; for example, permission to query a table. Privileges are granted to users at the discretion of other users–hence the term discretionary access control.
What is the difference between user and role in Oracle?
Understanding User Privileges and Roles. A user privilege is a right to execute a particular type of SQL statement, or a right to access another user’s object. Roles, on the other hand, are created by users (usually administrators) and are used to group together privileges or other roles.
Which property of profile limits the number of concurrent users for a user?
Concurrent usage licensing limits the number of sessions that can be connected simultaneously to the database on the specified computer. You can set a limit on the number of concurrent sessions before you start an instance.
What is Composite limit in oracle?
COMPOSITE_LIMIT Specify the total resource cost for a session, expressed in service units. Oracle Database calculates the total service units as a weighted sum of CPU_PER_SESSION , CONNECT_TIME , LOGICAL_READS_PER_SESSION , and PRIVATE_SGA .
What is the difference between a role and a profile?
Roles controle which records/objects a user can SEE based on their role in the hierarchy. Profile settings determine what users can see (control the visibility of objects, tabs, CRUD, fields) and do with objects. Profiles are typically defined by a job function. Each profile is associated with a license type.
What is resource privileges Oracle?
The RESOURCE role grants a user the privileges necessary to create procedures, triggers and, in Oracle8, types within the user’s own schema area. Granting a user RESOURCE without CONNECT, while possible, does not allow the user to log in to the database.
Which of the following is used to grant user access to resources?
Explanation: A permission is used to grant an entity, such as a user, access to an object, such as another user or a database. The security model within SQL Server is very complex and requires great thought put into applying user roles and their different permissions.
How do I limit access to a database?
To Limit User Access to a Specific Database
- Step 1: Create a Matter.
- Step 2: Associate the Database with the Matter.
- Step 3: Create a User Group.
- Step 4: Assign Users to the User Group.
- Step 5: Associate the User Group with the Matter.
- Step 6: Remove the Database from the “All user Groups” Matter.
What are major differences between user and role?
A role typically defines a business function (or set of functions) performed by one or more users. Examples would be ‘customer service agent’ or ‘business analyst’. A user is an individual person who is included in the role – Bob, Nancy, and Steve might be assigned to the customer service agent role.
How do I change the limit of a resource in Oracle?
You can alter the resource limit settings of any profile using either the Alter Profile property sheet of Enterprise Manager/GUI or the SQL command ALTER PROFILE. To alter a profile, you must have the ALTER PROFILE system privilege.
How do I create a user profile with resource limits?
To create a profile, you must have the CREATE PROFILE system privilege. To specify resource limits for a user, you must: Enable resource limits dynamically with the ALTER SYSTEM statement or with the initialization parameter RESOURCE_LIMIT.
How does a user’s profile limit database usage?
A user’s profile limits database usage and instance resources as defined in the profile. You can assign a profile to each user, and a default profile to all users who do not have specific profiles. For profiles to take effect, resource limits must be turned on for the database as a whole.
How does Oracle Database enforce resource limits?
Oracle Database enforces resource limits in the following ways: If a user exceeds the CONNECT_TIME or IDLE_TIME session resource limit, then the database rolls back the current transaction and ends the session. When the user process next issues a call, the database returns an error.
How do I set resource limits for a user in PowerShell?
CREATE PROFILE. To create a profile, you must have the CREATE PROFILE system privilege. To specify resource limits for a user, you must: Enable resource limits dynamically with the ALTER SYSTEM statement or with the initialization parameter RESOURCE_LIMIT. This parameter does not apply to password resources.