A Collation compared two strings like, if a word is greater than another one, and sort accordingly. If you are using “latin1” Character set, you can use “latin1_swedish_ci” Collation. You have to choose right collation because wrong collation may affect your database performance.
A collation comprises rules that specify how characters can be compared for sorting. Collations rules can be locale-specific: the proper order of two characters varies from language to language. Choosing a character set and collation comes down to whether your application is internationalized or not. If not, what locale are you targeting?
225 Our previous programmer set the wrong collation in a table (Mysql). He set it up with Latin collation, when it should be UTF8, and now I have issues. Every record with Chinese and Japan character turn to ??? character. Is possible to change collation and get back the detail of character?
The database is latin1_general_ci now and I want to change collation to utf8mb4_general_ci. Is there any setting in PhpMyAdmin to change collation of database, table, column? Rather than changing ...
A database has a default collation (which defaults to the collation for the server). The default collation for the database will be applied to any column you add to a table, UNLESS you explicitly specify a collation at the column level.
MySQL has 4 levels of collation: server, database, table, column. If you change the collation of the server, database or table, you don't change the setting for each column, but you change the default collations.
If "What does COLLATE SQL_Latin1_General_CP1_CI_AS do?" means "What does this particular collation do?", then: Because the name start with SQL_, this is a SQL Server collation, not a Windows collation. These are definitely obsolete, even if not officially deprecated, and are mainly for pre-SQL Server 2000 compatibility.
Per Microsoft, if your Windows locale is any English speaking country (except the US) your default SQL server collation during setup is: Latin1_General_CI_AS, but in the US it is still SQL_Latin1_General_CP1_CI_AS for backward compatibility. New databases take the system collation by default (unless you override), etc...
Cannot resolve the collation conflict between "SQL_Latin1_General_CP1_CI_AS" and "Arabic_CI_AS" in the equal to operation. I don't know much about collation. Searching through internet I find solutions to use COLLATE, but the concept of COLLATE is not clear to me. Will it change anything for any of the databases?
22 Alter Collation I need to change the collation of one of our databases on a particular server from Latin1_General_CI_AS to SQL_Latin1_General_CP1_CI_AI so that it matches the rest of our databases. The Problem However, when I attempt to do this, I get the following error: ALTER DATABASE failed.
