What are MySQL characters?
A MySQL character set is a set of characters that are legal in a string. For example, we have an alphabet with letters from a to z. We assign each letter a number, for example, a = 1 , b = 2 etc. The letter a is a symbol, and the number 1 that associates with the letter a is the encoding.
What does utf8mb4 stand for?
In short: MySQL’s “utf8mb4” means “UTF-8”. MySQL’s “utf8” means “a proprietary character encoding”. This encoding can’t encode many Unicode characters.
What is the difference between MariaDB and MySQL?
After the acquisition of MySQL by Oracle, some issues happened with the usage of the database and hence MariaDB was developed. 2. MariaDB : MariaDB is an open source relational database management system (RDBMS) that is a compatible drop-in replacement for the widely used MySQL database technology.
How to determine the default character set in MariaDB?
The CREATE DATABASE and ALTER DATABASE statements have optional character set and collation clauses. If these are left out, the server defaults are used. To determine the default character set used by a database, use: or alternatively, for the character set and collation:
How to change the default collation in MariaDB?
Default collations for each character set can be viewed with the SHOW COLLATION statement, for example, to find the default collation for the latin2 character set: The character_set_server system variable can be used to change the default server character set. It can be set both on startup or dynamically, with the SET command:
Why does MariaDB use ignore bad table column?
MariaDB provides an additional SQL mode that is not available in MySQL, specifically IGNORE_BAD_TABLE_OPTIONS, and each of these tables has an sql_mode column that influences the environment in which the routine or event executes. There is a surprising amount of odd behavior for mysqldump related to these tables.