How do I grant permission to alter a table in Oracle?

you can grant ALTER ANY TABLE (which is a powerful right) or grant ALTER privilege on particular table in another schema: SQL> grant alter any table to scott; Granted. SQL> grant alter on hr.

How do I change my Oracle database from read only?

Answer: You can make a read only user and make read only tablespaces but you can also make the entire database read-only with an alter command. ORACLE instance started. SQL> alter database open read only; Database altered.

How do I make a table read only in Oracle?

Oracle 11g allows tables to be marked as read-only using the ALTER TABLE command. alter table table_name read only; alter table table_name read write; The following script creates a table, inserts a row, then sets the table to read-only.

How do I grant a read only access database in Oracle?

SQL>grant create session to scott_read_only_user; SQL>grant select any table to scott_read_only_user; This will only grant read-only to scott tables, you would need to connect to another schema owner to grant them read-only access.

How do I change tablespace from read only to read write mode in Oracle?

Making a Read-Only Tablespace Writable Use the READ WRITE keywords in the ALTER TABLESPACE statement to change a tablespace to allow write operations. You must have the ALTER TABLESPACE or MANAGE TABLESPACE system privilege.

How can I tell if a table is read only?

To identify if a table is read-only, a new column called READ_ONLY has been added to DBA_TABLES, USER_TABLES, and ALL_TABLES. This column is set to YES if the table is read-only and NO when the table is not read-only.

Which actions are allowed on a table that is marked as read only?

Explanation : All actions that do not modify the data in the table are permitted on a read-only table. The actions of creating/dropping a constraint, creating/dropping an index, and dropping a table are allowed.

How do I make a table access read only?

Using the UI you can use the User Mapping tab under the login, you can create the user with ‘public’ access only. Then you can go to the database and grant that user SELECT access to the particular table.

How do I grant a read only access to schema?

Validate access: Open a new terminal and connect to user TESTUSER2 then validate access. OPTION2: Create a ROLE and grant SELECT privileges on all tables which are owned by specific application schema to newly created ROLE and grant access on ROLE to the requested user/s.

Which command will allow create table permission to a user?

SQL GRANT is a command used to provide access or privileges on the database objects to the users.

1. The Syntax for the GRANT command is:
2. For Example: GRANT SELECT ON employee TO user1; This command grants a SELECT permission on employee table to user1.

How do I change Oracle from read only to read write mode in SQL?

The following statement changes the open mode from mounted or open read-only to open read/write : ALTER DATABASE OPEN FORCE; To shutdown the instance, then start it in the mode you’d like, either by a SHUTDOWN IMMEDIATE then a STARTUP OPEN READ WRITE or a STARTUP FORCE OPEN READ WRITE .

How do I change the read write in tablespace?

All tablespaces are initially created as read/write. Use the READ ONLY clause in the ALTER TABLESPACE statement to change a tablespace to read-only. You must have the ALTER TABLESPACE or MANAGE TABLESPACE system privilege. Before you can make a tablespace read-only, the following conditions must be met.

How do I remove read only from database?

In the Database Properties – DatabaseName window, click on Options in the Select a page pane on the left. Scroll down to the State properties section. Check the property “Database Read-Only”. This should be set to False.

What is read only view in Oracle?

WITH READ ONLY Specify WITH READ ONLY to indicate that the table or view cannot be updated. WITH CHECK OPTION Specify WITH CHECK OPTION to indicate that Oracle Database prohibits any changes to the table or view that would produce rows that are not included in the subquery.

How do I set a table to read-only in Oracle 11g?

Oracle 11g allows tables to be marked as read-only using the ALTER TABLE command. The following script creates a table, inserts a row, then sets the table to read-only. Any DML statements that affect the table data and SELECT FOR UPDATE queries result in an ORA-12081 error message.

Who issues the ALTER TABLE statement in Oracle Database?

SEQ1, then Oracle Database will default the sequence owner to be the user who issues the ALTER TABLE statement. For example, if user MARY adds a column to SCOTT.

Can I use start with limit value with ALTER TABLE modify?

START WITH LIMIT VALUE, which is specific to identity_options, can only be used with ALTER TABLE MODIFY.

Why does Oracle Database raise an error when I try to alter?

If you attempt to alter the storage attributes of tables in locally managed tablespaces, then Oracle Database raises an error.