What database does craft CMS use?

What database does craft CMS use?

MySQL
This is only used by MySQL.

What is the difference between utf8 and utf8mb4?

The difference between utf8 and utf8mb4 is that the former can only store 3 byte characters, while the latter can store 4 byte characters. In Unicode terms, utf8 can only store characters in the Basic Multilingual Plane, while utf8mb4 can store any Unicode character. utf8mb4 is 100% backwards compatible with utf8.

How do I convert UTF-8 to utf8mb4?

Switching from MySQL’s utf8 to utf8mb4

1. Step 1: Create a backup.
2. Step 2: Upgrade the MySQL server.
3. Step 3: Modify databases, tables, and columns.
4. Step 4: Check the maximum length of columns and index keys.
5. Step 5: Modify connection, client, and server character sets.
6. Step 6: Repair and optimize all tables.

Which is the best collation for MySQL?

It is best to use character set utf8mb4 with the collation utf8mb4_unicode_ci . The character set, utf8 , only supports a small amount of UTF-8 code points, about 6% of possible characters. utf8 only supports the Basic Multilingual Plane (BMP).

How many bytes per character does utf8mb4 store?

For our change, an important thing to consider: Latin1 charset stores one byte per character, while utf8mb4 can store up to four bytes per character. This change definitely impacts the disk usage, but also makes us hit some limits that I describe later in the plan.

Why is MySQL database not supporting utf8mb4?

If you’re upgrading from an older system you might not have that. Second, check your MySQL server configuration file, wherever it may be. On my system it is /etc/mysql/mysql.conf.d/mysqld.cnf.

How to convert a table to utf8mb4 in SQL?

Run the following command to generate a new file queries.sql, with all the queries you need to convert the database.: Run the following command to run the queries, performing the conversion: If that happens, change the column to be smaller, like varchar (150), and rerun the command.

Do you have to be a registered user to use utf8mb4?

If you’ve already registered, sign in. Otherwise, register and sign in. Sometimes the only choice is for MYSQL (no choice for MYSQL 5.7+) if installing from an older Jira when selecting Database type. the solution is to use utf8 and then upgrade and then switch to utf8mb4 You must be a registered user to add a comment.