empty set character

One, character set and validation rulesA character set is a set of conformance and encoding, a set of rules that are used to compare characters within a character set, that is, the collation of a character set. MySQL can use the pair of character

About the Unicode character set(2011-10-20 20:54:03) The initial Unicode encoding is a fixed-length, 16-bit, or 22-byte representation of a character, which can represent a total of 65,536 characters. Obviously, it is not enough to represent all the

---- There are many users who use ORACLE as a database management platform in large and medium-sized database management systems at home and abroad. ORACLE is beyond review in terms of both database management capabilities and security. However, it

There are many users who use ORACLE as a database management platform in large and medium-sized database management systems at home and abroad. Oracle is beyond review in terms of both database management capabilities and security. However, it

-------------------------------------- Search for a blog on the Internet to facilitate future viewing -------------------------------------------------------------------- There are many users who use ORACLE as a database management

Mysql character set and verification analysis bitsCN.com Mysql character set and verification analysis use case first let's look at an example: there is a user table User (username VARCHAR (5) character set utf8COLLATE utf8_general_ci); there is a

Mysql character set and verification analysis use case first let's look at an example: there is a user table www.2cto.com User (username VARCHAR (5) character set utf8COLLATE utf8_general_ci); There is a record ('username '); and ('username'); Use

----in large and medium-sized database management system, Oracle as a database management platform users more. Oracle database management capabilities and security are beyond reproach, but it is in the display of Chinese character information really

In the large and Medium-sized database management system at home and abroad, there are more users of Oracle as database management platform. Oracle is not only a database management capability or security is justifiable, but it is in the display of

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 collation to provide strong support, oracel in this