character set conversion

This article provides a detailed analysis of character-numeric conversion in MYSQL. For more information, see-1. convert a number to a number. For example, if 0 is converted to 0, an addition can be directly used to sort d in the pony table. You can

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1:character_sets First look at the results of the first 10 queries: [email protected] [information_schema]>select * from Character_sets ORDER BY MaxLen DESC Limit 10;+--------------------+----------------------+---------------------------------+-----

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1. View MySQL database server and database character set Show variables like '%char% '; 2. View the character set supported by the currently installed MySQL. Show CharSet; 3, set the code: Modify MY.CNF Vi/etc/my.cnf Add under [client]

Byte stream, character stream involves more analogy, more easily confused. Therefore, it is necessary to make a generalization about when to use a byte stream, when to use a character stream, and when to use a stream of the buffer class. To

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1. Converting a character's number to a number, such as ' 0 ' to 0, can be achieved directly by addingFor example: The D in the Pony table is sorted, and the definition of D is varchar, so you can solve select * from Pony (d+0)2. In the case of

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Today, I'm going to help my colleagues with a SQL (Simplified) execution error: Copy Code code as follows: Mysql> Select Date_format (' 2013-11-19 ', ' y-m-d ') > Timediff (' 2013-11-19 ', ' 2013-11-20 '); ERROR 1267 (HY000):

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Oracle databases have two types of backup methods. The first class is a physical backup, this method realizes the complete recovery of the database, but the database must run in the return mode (the business database runs in the non-return mode),

First, set the code LINUX modification VI/ETC/MY.CNF WINDOWS My.ini Add under [client] Default-character-set=utf8 Add under [mysqld] Default-character-set=utf8 Save, restart MySQL can; setting up the character set when creating an object 1 Creating

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http://welcomyou.javaeye.com/blog/371189 Ja16sjistilde Japanese_japan. Ja16sjistilde Oracle Nls_lang Summary Keyword: Oracle Nls_lang character Set character set to get a database from the customer, the client's database server is Ja16sjis, and

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