Account
Sign in to you account
Sign In Sign Up

How to Revoke Alter Table Permission From User In Oracle?

2 minutes read

To revoke the ALTER TABLE permission from a user in Oracle, you need to use the REVOKE command along with the ALTER TABLE privilege.


The syntax is as follows: REVOKE ALTER TABLE ON schema.table_name FROM username;


Replace "schema.table_name" with the specific table for which you want to revoke the permission, and "username" with the name of the user from whom you want to revoke the permission.


After executing this command, the user will no longer have the ability to alter the specified table.


How to revoke all tablespace privileges from a user in Oracle?

To revoke all tablespace privileges from a user in Oracle, you can use the following SQL query:

1

REVOKE UNLIMITED TABLESPACE FROM username;


This command will revoke the UNLIMITED TABLESPACE privilege from the specified user, effectively removing all tablespace privileges from them. Make sure to replace "username" with the actual username of the user you want to revoke the privileges from.


How to revoke all permissions from a user in Oracle?

To revoke all permissions from a user in Oracle, you can use the REVOKE command to revoke specific privileges or roles granted to the user. Here is the general syntax to revoke all privileges from a user:

1

REVOKE ALL PRIVILEGES FROM username;


Replace "username" with the name of the user you want to revoke all permissions from. This command will revoke all privileges granted to the user, including system privileges, object privileges, and roles.


Alternatively, you can also revoke specific privileges or roles granted to the user by using the REVOKE command with the appropriate syntax for each privilege or role.


After revoking the permissions, remember to also remove the user's access to any objects or schemas that they previously had access to.


How to grant and revoke privileges in Oracle using SQL developer?

Granting and revoking privileges in Oracle using SQL developer can be done by executing the following SQL commands:

  1. Granting privileges: To grant privileges to a user in Oracle using SQL developer, you can use the following SQL command:
1

GRANT <privilege> ON <table_name> TO <user>;


For example, to grant SELECT privilege on a table named "employees" to a user named "user1", you can execute the following command:

1

GRANT SELECT ON employees TO user1;


  1. Revoking privileges: To revoke privileges from a user in Oracle using SQL developer, you can use the following SQL command:
1

REVOKE <privilege> ON <table_name> FROM <user>;


For example, to revoke SELECT privilege on a table named "employees" from a user named "user1", you can execute the following command:

1

REVOKE SELECT ON employees FROM user1;


Please note that you must have the necessary privileges to grant or revoke privileges in Oracle.

Facebook Twitter LinkedIn Telegram Whatsapp

Related Posts:

How to Delete Null Elements From Nested Table In Oracle?
To delete null elements from a nested table in Oracle, you can use the DELETE method along with a loop to iterate through the nested table and remove any null elements. First, create a loop to go through each element in the nested table. Then, use the DELETE m...
How to Compare Different Format Date In Oracle?
To compare different format dates in Oracle, you can use the TO_DATE function to convert the dates to a standard format before comparison. This function allows you to specify the input date format using a format model. Once the dates are in a standard format, ...
How to Use Month And Year In To_char In Oracle?
In Oracle, the TO_CHAR function can be used to convert date values into strings with a specified format. When using TO_CHAR with a date value, you can include the format model &#39;MM&#39; to display the month as a two-digit number, &#39;MONTH&#39; to display ...
How to Choose the Best Platform For Backtesting Stocks?
When choosing the best platform for backtesting stocks, it is important to consider several factors. First, you should look for a platform that provides accurate historical data for the stocks you are interested in analyzing. This data should be comprehensive ...
How to Create A GUI In Java?
To create a GUI in Java, you can use the Swing framework, which is a part of the Java Foundation Classes (JFC). Swing provides a set of components such as buttons, text fields, labels, and panels that you can use to create a graphical user interface.To create ...