store date in mysql

Date and Time functionsThis chapter discusses some functions that can be used to manipulate time values. See section 11.3, "Date and Time type" for valid formats for each time and date type with a range and a specified value. The following example

Mysql> SELECT something from Tbl_name WHERE To_days (now ()) –to_days (date_col) DayOfWeek (date) Returns the week index of date (1 = Sunday, 2 = Monday, ...). 7 = Saturday). Index values are compliant with ODBC standards. mysql> SELECT DayOfWeek ('

The following query selects the records for all date_col values within the last 30 days. Mysql> SELECT something from Tbl_name WHERE To_days (now ())-To_days (Date_col) DayOfWeek (date) Returns the week index of date (1 = Sunday, 2 = Monday, ...). 7

Here is an example of using a date function. The following query selects records for all Date_col values within the last 30 days.Mysql> SELECT something from Tbl_nameWHERE To_days (now ()) –to_days (date_col) DAYOFWEEK (date)Returns the week index

Abstract: Date and time functions are very useful for creating a site. The website owner is often interested in when data in a table is updated. Using Date and Time Functions, you can track changes to a table in seconds. Date and time functions are

This morning, I asked a question about the mysql database storage time. I suddenly thought about the date and time in php and mysql. In a project, we often use multiple expressions for the same time. For example, I used int (11) to store unix

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

Date and time functions are very useful for creating a site. The website owner is often interested in when data in a table is updated. Using Date and Time Functions, you can track changes to a table in seconds. The DATE and TIME types are DATETIME,

usually storage time with datetime type, and now many systems also use int storage time, what difference do they have? Individuals prefer to use int this is good for date calculations, so let's look at the kind of things that would be better. int(1).

18.2.1 MySQL server has gone away errors related to Lost connection to server during query. The most common cause of the MySQL server has gone away error is that the server times out and closes the connection. By default, if nothing happens, the