PHP's low-level programming brother came to look at this problem. I wrote the following transcript and expected to objectively understand the advantages and disadvantages of this enum field: Yi's opinion: enum has advantages. But I personally think..
Use the enum field of mysql with caution, and use the mysqlenum field with caution.
The PHP low-level programming team looks at this issue as follows. I hope to objectively understand the advantages and disadvantages of this enum field:
YAN Ge's
Background: currently, tinyint is widely used for enum. is enum useless? The PHP low-level programming team looks at this issue as follows. I hope to objectively understand the advantages and disadvantages of this enum field:
Yan Ge's point of view:
PHP low-level programming Brothers to look at this problem, I make the following statement, I hope to be able to objectively understand the advantages and disadvantages of this enum field:
Fat brother Point of view:An enum has advantages. But
Usage and difference of the set and enum types in mysql
Usage and difference of the set and enum types in mysql
In mysql, both enum and set are of the string type and can only be set,
The difference is that set can take multiple values, and enum
PHP low-level programming of the brothers to see this problem, I made the following statement, I hope to be able to objectively understand the advantages and disadvantages of this enum field:Fat Brother View:Enum has advantages. But personally feel .
1. Preface
MySQL is a fully networked cross-platform relational database system and a distributed database management system with a client/server architecture. It has the advantages of strong functions, ease of use, convenient management, fast
Tips: obtain all possible values of the ENUM enumeration column in MYSQL .. Obtaining all possible values of the ENUM (enumeration) column in MYSQL does not require any other functions. you only need to use some SQL statements provided by MYSQL. In
This tutorial does not want you to fully understand the language, but it will allow you to join the development of dynamic Web sites as soon as possible. I assume you have some basic knowledge of HTML (or HTML editor) and some programming
In the original LNMP environment[Email protected] ~]# vim/etc/init.d/mysqld #查找数据库的安装路径[Email protected] ~]# cd/data/mysql/[[email protected] mysql]# ls[Email protected] mysql]# tar czvf discuz.tar/data/mysql/discuz/#备份之前的discuz Forum database table.
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