mysql set database collation

Tags: technical font settings specify weight order character from codeThe database needs to accommodate a variety of languages and characters to support different character sets (Character set), and each character set has its own collation (Collation). (Note:

The concept of character set is clear to everyone. Many people do not understand the proofreading rules. This concept is not used in general database development. mysql seems very advanced in convenience. The concept of character set is clear to everyone. Many people do not understand the proofreading rules. This conce

Brief Description Character Set and verification rulesCharacter Set is a set of symbols and encoding. A collation is a set of rules used to compare characters in a character set.MySql provides strong support in collation, and mo

Brief Description Character set and proofing rules A character set is a set of symbols and encodings. A proofing rule is a set of rules used to compare characters within a character set. MySQL in

Tags: MySQL database manager MySQL database engineer in BeijingMySQL provides a variety of character set and collation choices, where character set settings and data storage are related

internationalization. Of course to improve performance, in some cases it is better to use latin1. MySQL has two Unicode-enabled character set: 1. UCS2: Use the bits to represent a Unicode character. 2. UTF8: Use the bytes to represent a Unicode character. Select which character set depends on the case, such as UTF8 means that the Latin character requires only o

, type int (4), default value of 0 Mysql> ALTER TABLE MyClass add passtest int (4) default ' 0 ' Change table name Command: Rename table name to new table name; For example, change the name of the table MyClass to Youclass Mysql> Rename table MyClass to Youclass; Update Field Contents Command: Update table name set field name = new Content Update table name

to use latin1.MySQL has two Unicode-enabled character set:1. UCS2: Use the bits to represent a Unicode character.2. UTF8: Use the bytes to represent a Unicode character.Select which character set depends on the case, such as UTF8 means that the Latin character requires only one byte, so when the user data is mostly English and other Latin characters, use UTF8 to

collations, but one collation can only be based on one character set.The following is the correspondence between collations and character sets in MySQL.MySQL's build library syntax is a drag, you can specify the character set and collation,If the specified collation is below the character

characters Fu She, one of which is the default word Fu She, (default Collation);? The word Fu She name in MySQL follows the naming convention: begins with the character set name of the word Fu She, _ci (which is case insensitive), _cs (which is case sensitive), or _bin (which means comparison by encoded value). For example: Under the word Fu She "Utf8_general_ci

In the case of not setting the collation, the sorting result of the Chinese text is chaotic to find this phenomenon, set collation to Chinese_china look (note that the settings collation to not create any tables in the database OH), set