Jun 22, 2023 · How to Make a Database READ-WRITE. What if you need to revert the changes so you can make updates to the database? You need to change the READ ONLY status to 0 to state that you want the READ ONLY status to be disabled (or no in short). Simply use the following command to do that: ALTER DATABASE database_name READ ONLY = 0;

If you're using MySQL 5.6 or newer and InnoDB, you can make a session read-only: SET SESSION TRANSACTION READ ONLY; Reference: 15.3.7 SET TRANSACTION Statement. READ ONLY also offers a modest performance benefit.

grant select on database_name.* to 'read-only_user_name' identified by 'password'; This command gives the user read-only access to the database from the local host only. If you know the host name or IP address of the host that the collector is will be installed on, type the following command: grant select on database_name.* to 'read-only_user ...

With NDB Cluster, making a database read only on one mysqld server is synchronized to other mysqld servers in the same cluster, so that the database becomes read only on all mysqld servers. The READ ONLY option, if enabled, is displayed in the INFORMATION_SCHEMA SCHEMATA_EXTENSIONS table.

Aug 26, 2024 · Using the ALTER DATABASE command along with the READ ONLY option, any database can be instantly transitioned to read-only with a single, simple statement: ALTER DATABASE database_name READ ONLY = 1; By setting READ ONLY to 1, all users are restricted from making any modification to the database (except highly …

We‘ve covered a wide range of topics around leveraging MySQL‘s read-only databases – including use cases, instructions for enabling, bypass loopholes, alternate access options, performance gains, testing practices, unauthorized activity monitoring, and recommended management best practices.

Aug 31, 2021 · First, login as a MySQL administrator from your terminal / command prompt using the following command: mysql -u root -p. You’ll prompted to enter the password. Type the password for the...

Jun 27, 2013 · Put read_only=1 in my.cnf and restart the MySQL server. You will still be able to modify the schema as the superuser.

To enable read-only mode for an entire MySQL instance, specify the following configuration options at server startup: --innodb-temp-data-file-path. This option specifies the path, file name, and file size for InnoDB temporary tablespace data files.

Apr 21, 2024 · In this guide, we‘ll dive into the details of how to enable read-only mode in MySQL, why you might want to use it, and some best practices for working with read-only databases in your applications.