MySQL 5.5 Reference Manual :: 9 Internationalization and Localization :: 9.1 Character Set Support :: 9.1.7 Collation Issues :: 9.1.7.6 Collations Must Be for the Right Character Set
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- 9.1.7 Collation Issues
- 9.1.7.1 Using COLLATE in SQL Statements
- 9.1.7.2 COLLATE Clause Precedence
- 9.1.7.3 The BINARY Operator
- 9.1.7.4 The _bin and binary Collations
- 9.1.7.5 Special Cases Where Collation Determination Is Tricky
- 9.1.7.6 Collations Must Be for the Right Character Set
- 9.1.7.7 Examples of the Effect of Collation
- 9.1.7.8 Collation and INFORMATION_SCHEMA Searches
Each character set has one or more collations, but each
collation is associated with one and only one character set.
Therefore, the following statement causes an error message
because the latin2_bin collation is not
legal with the latin1 character set:
mysql> SELECT _latin1 'x' COLLATE latin2_bin;
ERROR 1253 (42000): COLLATION 'latin2_bin' is not valid
for CHARACTER SET 'latin1'
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