php mysql datetime

Description of whether the MySQL time field uses INT or DateTime. When parsing DEDECMS today, we found that the MYSQL time fields of deder all use 'senddata' int (10) unsignedNOTNULLDEFAULT0. then we found this article online, it seems that if the

This article describes how to use php to insert data to the datetime type of MySQL, if you are curious about this technique of using php to insert data into the MySQL datetime type, the following articles will unveil its mystery. We need to use the

During MySQL query time period, it will be more efficient to select INT, or will it be more efficient to select DateTime? To solve this problem, we will perform a test to see whether INT or DateTime should be used in the MySQL query

Today, when parsing dedecms, the MySQL time field found in Deder is usedint (notNULLDEFAULT'0';Then found this article on the Internet, it seems that if the time field has to participate in the operation, with int better, one does not have to

MySQL常用指令，java，php程序员，数据库工程师必备。程序员小冰常用资料整理MySQL common commands (for reference)The most common display commands are:1. Display the list of databases.show databases;2. Display the data table in the library:Use MySQL;Show tables;3, display the

When parsing DEDECMS today, we found that the MYSQL time fields of deder use the INT type, and then we found this article online. it seems that if the time field is involved in the calculation, it would be better to use the int type, first, you do

When parsing DEDECMS today, we found that deder's MYSQL time fields are all used 'Senddata' int (10) unsigned not null default '0 '; Later, I found this article on the Internet. It seems that if the time field is involved in the

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

Today, when parsing dedecms found Deder mysql Time field, are used ' SendData ' int (a) unsigned not NULL DEFAULT ' 0 '; Then find this article on the Internet, it seems that if the time field has participated in the

Why can I use the int type for the time field in the mysql database? what are the advantages of the datetime type? I have seen some mysql database designs, such as the time field in the phpwind Forum, using int (10 )? It indicates that the time