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https://dev.mysql.com/doc/refman/5.7/en/case-sensitivity.html
For nonbinary strings (CHAR, VARCHAR, TEXT), string searches use the collation of the comparison operands. For binary strings (BINARY, VARBINARY, BLOB), comparisons use the numeric values of the bytes in the operands; this means that for alphabetic ...
https://dev.mysql.com/doc/refman/5.7/en/charset-binary-collations.html
This section describes how the binary collation for binary strings compares to _bin collations for nonbinary strings. Binary strings (as stored using the BINARY, VARBINARY, and BLOB data types) have a character set and collation named binary.
https://dev.mysql.com/doc/refman/5.7/en/charset-charsets.html
To list the available character sets and their default collations, use the SHOW CHARACTER SET statement or query the INFORMATION_SCHEMA CHARACTER_SETS table. There is one subsection for each group of related character sets. To avoid choosing the ...
https://dev.mysql.com/doc/refman/5.7/en/charset-collation-coercibility.html
In the great majority of statements, it is obvious what collation MySQL uses to resolve a comparison operation. For example, in the following cases, it should be clear that the collation is the collation of column x: SELECT x FROM T ORDER BY x; ...
https://dev.mysql.com/doc/refman/5.7/en/charset-configuration.html
To determine which collations are available for each character set, use the SHOW COLLATION statement or query the INFORMATION_SCHEMA COLLATIONS table. The MySQL server has a compiled-in default character set and collation. To change these defaults, ...
https://dev.mysql.com/doc/refman/5.7/en/charset-errors.html
Parameters in the message template are replaced with values that apply to a specific error occurrence: Identifiers such as table or column names use UTF-8 internally so they are copied as is. This section describes how the MySQL server uses ...
https://dev.mysql.com/doc/refman/5.7/en/charset-general.html
Mix strings with different character sets or collations in the same server, the same database, or even the same table. A character set is a set of symbols and encodings. A collation is a set of rules for comparing characters in a character set.
https://dev.mysql.com/doc/refman/5.7/en/charset-introducer.html
To see the default collation for each character set, use the SHOW CHARACTER SET statement or query the INFORMATION_SCHEMA CHARACTER_SETS table. A character string literal, hexadecimal literal, or bit-value literal may have an optional character set ...
https://dev.mysql.com/doc/refman/5.7/en/charset-literal.html
To see the default collation for each character set, use the SHOW CHARACTER SET statement or query the INFORMATION_SCHEMA CHARACTER_SETS table. Every character string literal has a character set and a collation. For the simple statement SELECT ...
https://dev.mysql.com/doc/refman/5.7/en/charset-restrictions.html
Identifiers are stored in mysql database tables (user, db, and so forth) using utf8, but identifiers can contain only characters in the Basic Multilingual Plane (BMP). The ucs2, utf16, utf16le, and utf32 character sets have the following ...