What MySQL collation should I use?
What MySQL collation should I use?
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).
What is MySQL collation?
Introduction to MySQL collation A MySQL collation is a set of rules used to compare characters in a particular character set. Each character set in MySQL has at least one default collation. The values of the default collation column specify the default collations for the character sets.
When do you use a collation in MySQL?
Introduction to MySQL collation A MySQL collation is a set of rules used to compare characters in a particular character set. Each character set in MySQL has at least one default collation. And it can have more than one collation and.
Which is the default collation for utf8mb4 in MySQL?
Each character set has a default collation. For example, the default collations for utf8mb4 and latin1 are utf8mb4_0900_ai_ci and latin1_swedish_ci, respectively. The INFORMATION_SCHEMA CHARACTER_SETS table and the SHOW CHARACTER SET statement indicate the default collation for each character set.
When to use default character sets and collations in MySQL?
When you create a database but do not specify the character set and collation, MySQL will use the default character set and collation of the server for the new database. You can override the default settings at the database level by using CREATE DATABASE statement: or using the ALTER DATABASE statement:
How to get all collations for a character set?
To get all collations for a given character set, you use the SHOW COLLATION statement as follows: For example, the following statement gets all collations for the latin1 character set: As mentioned above, each character set has a default collation e.g., latin1_swedish_ci is the default collation of the latin1 character set.
