mysql timestamp

time zone (East Zone 9, Japan time zone). 3. Display the inserted data again, changed, timestamp type of data increased by 1 hours Mysql> CREATE TABLE T8 (id1 timestamp not null,id2 datetime);Query OK, 0 rows affected Mysql> INSERT INTO T8 values (now (), now ());Query OK, 1 row affected

echo $row [0]; echo Time (); $row is the time that is read from the database. Show Results: 2013-05-02 18:50:15 1367492310 My data type is not set, right? Or is MySQL or PHP automatically converted? How can I read the timestamp directly? I know I can use time to convert a function, but I wonder if I could read the timestamp directly. It feels very 2 to convert

not modified when it is updated and no value is specified. 4, when the field is defined as TIMESTAMP on UPDATE Current_timestamp, indicating that the field is assigned a value when it is inserted and no value is specified"0000-00-00 00:00:00", updated to the current time when the value is updated and not specified. 5, when the field is defined as TIMESTAMP default current_timestamp on update Current_timest

Label:Server Version:5.5.33-31.1-log Percona Server (GPL), Release rel31.1, Revision 566 mysql> CREATE TABLE ' T1 ' (' ID ' int (one) not NULL DEFAULT ' 1 ',' NAME ' varchar (ten) not NULL DEFAULT ' ',' Create_time ' timestamp not NULL DEFAULT ' 0000-00-00 00:00:00 ') Engine=innodb DEFAULT Charset=utf8 Mysql> select * from T1;Empty Set (0.00 sec)

A problem encountered when deploying a program. The MySQL definition is as follows:Copy codeThe Code is as follows:Create table 'example '('Id' integer unsigned not null AUTO_INCREMENT,'Created 'timestamp not null default CURRENT_TIMESTAMP,'Lastupdated' timestamp not null on update CURRENT_TIMESTAMP,Primary key ('id ')) ENGINE = InnoDB;I extracted this SQL statem

First Copy a document to show you: DateTimeA date and time combination. The supported range is '2017-01-01 00:00:00 'to '2017-12-31 23:59:59 '.MySQL displays DATETIME values in 'yyyy-MM-DD HH: MM: ss' format, but allows you to assign values to DATETIME columns using either strings or numbers.TimeStampA timestamp. The range is '2017-01-01 00:00:00 'to partway through the year 1970.A

MySQL DATETIME and TIMESTAMP difference first Copy a document for you to see: DateTimeAdateandtimecombination. Thesupportedrangeis1000-01-0100: 00: 00to9999-12-3123: 59: 59. MySQLdisplaysDATETIMEvaluesinYYYY-MM-DDHH: MM: SSformat, butallow The difference between DATETIME and TIMESTAMP in MySQL is described in the follo

Tags: storing SQL mysql timestamp  This article compares the datetime and timestamp in MySQL with an example, although these two methods actually represent the same type, but there are some differences. same Show The timestamp column is displayed in the same

Programmers who have written php+mysql know that there is a time lag, Unix timestamps and formatted dates are two time representations that we often deal with, Unix timestamp storage, easy processing, but not intuitive, formatted date intuitive, but not as easy to handle as the Unix timestamp, So sometimes it's necessary to convert each other, and here are some w

Label:MySQL Error "There can be is only one TIMESTAMP column with current_timestamp in DEFAULT clause" even though I ' m doing nothin G wronghttp://jasonbos.co/two-timestamp-columns-in-mysql/ This is a very common table: There are create_time, update_time, even can be said to be normative, of course we would like these times to automatically update, to

before writing this article, make clear my MySQL version. Mysql> SELECT VERSION (); +------------+| VERSION () |+------------+| 5.5.29-log |+------------+1 row in Set (0.00 sec)There is now a requirement that a table has a field created_at records the timestamp of the record creation, and another field Updated_at records the

Problem descriptionYou want to down the database from the server. Operation: First dump the database into a SQL file, and then run the SQL file locally using Navicate, an error message appears:inch DEFAULT or on UPDATE clauseSolution IdeasReference:Http://www.cnblogs.com/joeylee/p/3877578.htmlCause: In timestamp, there are two timestamp fields in a table that are not supported in the low version.Solution:1,

Tags: format time formats orm execution between current time timestamp make use1.1 Get the current date + time (date + times) function: Now () Mysql> Select Now (); + ——————— + | Now () | + ——————— + | 2013-04-08 20:56:19 | + ——————— + In addition to the now () function to get the current datetime, MySQL has the following function: Current_timestamp () , Current_

UNIX timestamp to date function: FROM_UNIXTIME () selectFROM_UNIXTIME (1156219870); date to UNIX timestamp function: UNIX_TIMESTAMP () SelectUNIX_TIMESTAMP (2006-11-0412: 23: 00); for example, mysql queries the unix timestamp of the current day. Function for converting UNIX times