default charset

Copy CodeThe code is as follows: --ACL Tables--The structure of the table ' Aclresources 'DROP TABLE IF EXISTS ' aclresources ';CREATE TABLE IF not EXISTS ' aclresources ' (' Rsid ' varchar (+) not NULL,' Access ' int (4) is not NULL for default 0,'

This article to share the content is about ThinkPHP5 in the use of Auth2 to verify the process analysis, the need for friends can refer to, hope to help everyone. Auth2 verified on TP, found few notes on the Internet, not like yii, so write notes

The leftmost prefix matching principle is used to create indexes. mysql always matches the index to the right until it encounters a range query (, 3andd4. if an index in the order of (a, B, c, d) is created, d. indexing principles Based on the

Php implements simple ACL. The copy code is as follows: -- ACLTables -- table structure 'aclresources' droptableifexists' aclresources'; CREATETABLEIFNOTEXISTS 'aclresources' ('rsid 'varchar (64) NOTNULL The code is as follows: -- ACL Tables--

Personally, we recommend that you use utf8 as much as possible for the database character set (the HTML page corresponds to UTF-8) so that your data can be migrated smoothly. Personally, we recommend that you use utf8 as much as possible for the

In Oracle, there is the merge into syntax, which allows you to modify a statement at the same time and add data. MySQL does not have the merge into syntax, but replace.REPLACE runs like INSERT. There is only one exception. Assume that an old record

Copy CodeThe code is as follows: --ACL Tables --The structure of the table ' Aclresources ' DROP TABLE IF EXISTS ' aclresources '; CREATE TABLE IF not EXISTS ' aclresources ' ( ' Rsid ' varchar (+) not NULL, ' Access ' int (4) is not NULL for

Character Set is a set of symbols and encoding rules. Both the oracle database and mysql database have character set selection problems. Character Set is important for databases, because the number of database storage Character Set is a set of

1.2.3.1# Mysql-front 5.0 (Build 1.0)2 3 /*!40101 SET @[email protected] @SQL_MODE*/;4 /*!40101 SET sql_mode= ' strict_trans_tables,no_auto_create_user,no_engine_substitution '*/;5 /*!40111 SET @[email protected] @SQL_NOTES*/;6 /*!40103 SET sql_notes=

Provides a variety of official and user-released code examples. For code reference, you are welcome to exchange and learn to enhance the Auth function and Auth structure. The detailed function code is manually implemented by TPer. // Role

SQL interview test (Part 1), sqlpart This article is inOn the basis of the original Cat Qi post, the notes implemented by myself in the MySql database by question are continuously updated... Refer to the original post:Http://www.cnblogs.com/qixuejia/

Copy codeThe Code is as follows:-- ACL Tables-- Table structure 'aclresources'Drop table if exists 'aclresources ';Create table if not exists 'aclresources '('Rsid 'varchar (64) not null,'Access' int (4) not null default 0,'Desc' varchar (240) not

1, the logical meaning of varchar (N)Starting with MySQL4.1, n in varchar (n) refers to the maximum number of characters (characters) that can be stored in the field, not the number of bytes. Whether it's a Chinese-English character or a number, or

Original address: http://www.cnblogs.com/wupeiqi/articles/5748496.htmlSample Data sql:/* Navicat Premium Data Transfer source server:localhost Source Server type:mysql Source server Version:5 0624 source Host:localhost source Database:sqlexam

EnvironmentMySQL version 5.6.28Problem:Execution mysqldump The following error occurred, small white when performing mysqldump backup, is to perform a single error1, Mysqldump:got error:1146:table ' MySQL. innodb_index_stats' doesn ' t exist when

MySQL database Advanced (i)--data integrity first, data integrity Introduction 1, Data integrity IntroductionData redundancy refers to the existence of some duplicate data in the database, data integrity refers to the data in the database can

The character set is a set of symbols and encoding rules, whether in the Oracle database or in the MySQL database, there is a character set selection problem. For the database, the character set is more important, because the database stores most of

MySQL Storage engine Storage Engine IntroductionData in MySQL is stored in files (or memory) in a variety of different technologies. These different technologies and associated functions are called storage engines in MySQL.MySQL offers a number of

"Ultra-simple" MySQL storage engine selection and Configuration Storage engine IntroductionData in MySQL is stored in files (or memory) in a variety of different technologies. Each technology uses different storage mechanisms, indexing techniques,

Financial Charge System Supplement database table1. Student Table (f_student) Name Code Data type Mandatory for Id s_id Int TRUE Student Name Stu_name varchar (50)