In real life, most character sets have many characters: not just It's a little more complex than a binary collation. We call this a case-insensitiveĬollation. Letters are equivalent? Then we would have at least two rules: (1)Įncodings. (only one rule in this case): “ compare theĮncodings.” We call this simplest of all possibleīut what if we want to say that the lowercase and uppercase Suppose that we want to compare two string values,Ī collation to our character set. Suppose that we have an alphabet with four letters: Let's make theĭistinction clear with an example of an imaginary character set. This chapter discusses the following topics:ġ0.1. Character Sets and Collations in Generalįor comparing characters in a character set. Server, database, table, and column level.
Using a variety of character sets and perform comparisons according MySQL includes character set support that enables you to store data South European and Middle East Character Sets 10.10.5. Character Sets and Collations That MySQL Supports 10.10.1. Operations Affected by Character Set Support 10.6.1. An Example of the Effect of Collation 10.6. Collations Must Be for the Right Character Set 10.5.6. Some Special Cases Where the Collation Determination Is Tricky 10.5.5. Connection Character Sets and Collations 10.5. Examples of Character Set and Collation Assignment 10.3.8. Character String Literal Character Set and Collation 10.3.6. Column Character Set and Collation 10.3.5. Table Character Set and Collation 10.3.4. Database Character Set and Collation 10.3.3. Server Character Set and Collation 10.3.2. Specifying Character Sets and Collations 10.3.1. Character Sets and Collations in MySQL 10.3. Character Sets and Collations in General 10.2.
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