In this tutorial, I would like to show you how to view and edit table and column comments withMySQL Workbench- a free MySQL development and management tool from Oracle. Viewing comments Let's start with finding existing comments. I assume you are already connected to your database and schema...
Log in to your MySQL server as root. # mysql -u root -p Create a sample database named sample_db. mysql> CREATE DATABASE sample_db; Switch to the sample_db database. mysql> USE sample_db; Create a new table named states. mysql> CREATE TABLE states ( id BIGINT PRIMARY KEY AUTO_...
How to List Tables in MySQL or MariaDB The rest of this guide uses an example database, remote user, and three tables. To follow along, you can set these up yourself by logging into your MySQL or MariaDB server and issuing the commands below. Replace192.0.2.0with the IP address of you...
Upon installation, MySQL creates arootuser account which you can use to manage your database. This user has full privileges over the MySQL server, meaning it has complete control over every database, table, user, and so on. Because of this, it’s best to avoid using this account...
in the correct position in your code. You can also use the PHP loop to repeat the appropriate code and include it as part of a larger table. The final output is: <html> <body> <?php $username = "username"; $password = "password"; $database = "your_database"; $mysqli = new ...
| Create role | Server Admin | To create new roles | | Create temporary tables | Databases | To use CREATE TEMPORARY TABLE | | Create view | Tables | To create new views | | Create user | Server Admin | To create new users | ...
I'd like to know how could I unlock tables blocked by other user sessions with WRITE LOCKS. mysql> Show open tables; +---+---+---+---+ | Database | Table | In_use | Name_locked | +---+---+---+---+ | mydatabase | product | 27 | 0 | How can I release...
Row-level security in MySQL explained: Why it matters Row-level security (RLS) allows restricting access to specific rows of a table based on the role or permissions of a user. RLS is typically applied to enforce security policies and prevent unauthorized access to sensitive data. Here are the...
all the tables in your MySQL database, if you have to make a choice between the tables to optimize, you can try to see the space that the table has occupied but not utilized to store records. In other words, if a table contains enough unutilized space, you should optimize that table....
I made quite a complex View on my MySQL database, and I realized that some queries are slow. My first idea was to add indexes but it's not possible to do on a view so I'm lost on how to improve the performance of my query. I'll share here my View query, and I'll do my...