interval 1

1. MySQL adds a time interval for the date: Date_add ()Set @dt = Now ();Select Date_add (@dt, Interval 1 day); -Plus 1 daysSelect Date_add (@dt, interval 1 hour); -Plus 1 hoursSelect Date_add (@dt, interval 1 minute); -Plus 1 minutesSelect Date_add (

1. MySQL adds a time interval for the date: Date_add ()Set @dt = Now ();Select Date_add (@dt, Interval 1 day); -Plus 1 daysSelect Date_add (@dt, interval 1 hour); -Plus 1 hoursSelect Date_add (@dt, interval 1 minute); -Plus 1 minutesSelect Date_add (

Day of acquisition:SELECT curdate ();Mysql> SELECT curdate ();+------------+| Curdate () |+------------+| 2013-07-29 |+------------+Get the current date:Mysql> Select Now ();+---------------------+| Now () |+---------------------+| 2013-07-29 22:10:4

1. MySQL adds a time interval for the date: Date_add ()Set @dt = Now ();Select Date_add (@dt, Interval 1 day); -Plus 1 daysSelect Date_add (@dt, interval 1 hour); -Plus 1 hoursSelect Date_add (@dt, interval 1 minute); -Plus 1 minutesSelect Date_add (

1. MySQL adds a time interval for the date: date_add () Set @ dt = now (); Select date_add (@ dt, interval 1 day);-add 1 day Select date_add (@ dt, interval 1 hour);-add 1 hour Select date_add (@ dt, interval 1 minute);-add 1 minute Select date_add (

PHP development Notes Series (3)-date and time ??? The first two articles completed "PHP Development notes series (1)-PDO use" and "PHP Development notes series (2)-string use", today, I will take a look at the date and time processing in PHP and

PHP Development Note Series (iii)-Date and time ??? The first two completed "PHP Development Note Series (i)-pdo use" and "PHP Development Note Series (ii)-string use", today began to study the date and time in PHP and MySQL date and time

The easiest way to do it The code is as follows Copy Code Select To_days (str_to_date (' 12/1/2001 12:00:00 AM ', '%m/%d/%y '))-To_days (Str_to_date (' 11/28/2001 12:00:00 AM ', '%m/%d/%y ')) as a from table1

Welcome to the Linux community forum and interact with 2 million technical staff into mysqlSELECT1997-12-3123: 59: 59 + INTERVAL1SECOND; Welcome to the Linux community forum and interact with 2 million technical staff> go to mysql SELECT "23:59:59" +

Today I saw the MySQL date function, which is a lot of useful. Here I only stick two parameters that are not easy to remember. (Refer to MySQL 5.1 reference manual) DATE_ADD (Date, INTERVALExpr Type) DATE_SUB (Date, INTERVALExpr Type) These

One, MySQL adds a time interval for the date: Date_add ().1. Example:Set @dt = Now ();Select Date_add (@dt, Interval 1 day); -Plus 1 daysSelect Date_add (@dt, interval 1 hour); -Plus 1 hoursSelect Date_add (@dt, interval 1 minute); -Plus 1

1.1 Get the current date + time (date + times) function: Now ()In addition to the now () function to get the current datetime, MySQL has the following function:Current_timestamp () Current_timestampLocalTime () localtimeLocaltimestamp ()

SQL statement that inserts a table of data, and a specific data (fixed constant) into another sheetInsert into Select Code,0,1,1,1 from Wm_jobpointINSERT into SELECT from Wm_county pThe fields that are inserted here and the fields of the query

To create a table:The code is as follows:CREATE table if not exists t(ID int,Addtime datetime default ' 0000-00-00 00:00:00′)Add two initial data:Insert T VALUES (1, ' 2012-07-12 21:00:00′);Insert T VALUES (2, ' 2012-07-22 21:00:00′);Data inserted

1.1 Get the current date + time (date + times) function: Now ()In addition to the now () function to get the current datetime, MySQL has the following function:Current_timestamp () Current_timestampLocalTime () localtimeLocaltimestamp ()

1.1 Get the current date + time (date + times) function: Now ()In addition to the now () function to get the current datetime, MySQL has the following function:Current_timestamp () Current_timestampLocalTime () localtimeLocaltimestamp ()

SQL statement, mysql database, SQL statement mysql SQL statement to insert data in one table and specific data (fixed constants) into another table insert into wm_jobpoint_allstatus(CODE,pointstatus,housestatus,roomstatus,workstatus) select code,0,1,

1. Date Time function Time Conversion second function: Time_to_sec Mysql> Select Time_to_sec (' 01:01:01 ');+-------------------------+| Time_to_sec (' 01:01:01 ') |+-------------------------+| 3661 |+-------------------------+1 row in Set (0.00

Localtimestamp () LocaltimestampThese date-time functions are equivalent to now (). Since the now () function is short and easy to remember, it is recommended that you always use now () instead of the functions listed above.1.2 Get the current date +

1.1 Get the current date + time (date + times) function: Now ()In addition to the now () function to get the current date time, MySQL has the following functionCurrent_timestamp () current_timestampLocalTime () localtimeLocaltimestamp ()