mysql datetime insert

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

How do I represent the current time in MySQL?In fact, the expression is still quite a lot of, summarized as follows:Current_timestampCurrent_timestamp ()Now ()LocalTimeLocalTime ()LocaltimestampLocaltimestamp ()Ii. Comparison of Timestamp and

For some systems with large data volume, the problem of database is not only inefficient, but also the data storage time is long. Especially like a reporting system, the time spent on data import every day can be as long as a few hours or more than 1

Introduction to timestamp basic knowledge Variant of the timestamp1,timestamp DEFAULT current_timestamp on UPDATE current_timestamp refreshes this data column when new records are created and existing records are modified 2,timestamp default

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

Summary written in front,Summary:When Java through the JDBC link MySQL inserted in Chinese, to ensure that the program can execute normally, and the inserted Chinese is not garbled, MySQL server side, the data table (not the database)

MySQL Bulk SQL Insert performance optimizationsPosted by Kiki TitaniumOn December 7, 2012 For some systems with large data volume, the problem of database is not only inefficient, but also the data storage time is long. Especially like a reporting

Insert the Date and DateTime fields in mybatis, mybatisdatetimeRecently, the company used MyBatis3 as the data persistence layer. There are Date and DateTime types in the field. When inserting data, as long as the object attribute is set to

This is a creation in Article, where the information may have evolved or changed. Golang time:https://golang.org/pkg/time/ Golang in time package usage http://blog.csdn.net/chenbaoke/article/details/41519193 First, the Datetim and timestamp

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