to timestamp

--- Description: flashback to database --- restore table content to a specific time point in the past using a flashback table --- restore from a deleted table --- use a flashback query to view the database content as of any time point --- use a

//获得当前时间并且转为字符串-(NSString *) datetransformtotimestring{NSDate*currentdate = [NSDate Date];//get the current time to UTC time 2014-07-16 07:54:36 UTC (UTC time is 8 hours longer than the standard difference)//Convert to StringNSDATEFORMATTER*DF =

1. Convert the time of a string to a timestamp method :"2013-10-10 23:40:00" converts it to a time array import Time "%y-%m-%d%h:%m:%s") converted to timestamp : = int (time.mktime (timearray)) = = 138141960

The time-to-timestamp format is converted to each other (conversion primary compatible IE8,IE8 does not support new Date ())(function ($) {$.extend ({myTime: {curtime:function () } {returnDate.parse (NewDate ())/1000;}, Datetounix:function (string) {

first, you need to import Python's own module timeoften used are time.time (),time.strftime (),time.strptime (),time.localtime (), Time.mktime ()First, time.time () gets the current time stamp650) this.width=650; "Src=" https://s2.51cto.com/wyfs02/M0

1. Run cmd in the directory first, execute the following commandNPM install multer;2, the new upload.js under the routerLet Express = require (' Express ');Let router = Express. Router ();Let FS = require (' FS ');Let Multer = require (' Multer ');//

According to ORACLE10G's characteristics, when I execute the drop table or delete all, Oracle places the deleted table or data record in the database Recycle Bin (db RecycleBin). So we can use the Flashback Table command to recover the deleted table

ObjectiveInterpretation of related termsThe manifestation of timeTime ModuleDateTime moduleTime Format CodeSummarizeObjectiveIn the development work, we often need to use the date and time, such as:Content output as log informationCalculate the

Time and Datatime modulesTime-related operations, time is represented in three ways: Timestamp after January 1, 1970 seconds, i.e.: Time.time () Formatted string 2014-11-11 11:11, i.e.: Time.strftime ('%y-%m-%d ') Structured time

Import Timetime.sleep (5) #以秒为单位暂停print (Time.clock ()) # returns processor Time, 3.3 obsolete, changed to Time.process_time () measuring processor time, excluding sleep time , unstable, can't be measured on Mac print (Time.altzone) # Returns the

1. Calculate the maximum number of days in a January Copy Code code as follows: Calendar time=calendar.getinstance (); Time.clear (); Time.set (calendar.year,year); Year is int Time.set (calendar.month,i-1); Note that the

Using Python to make timestamp conversion tools Python timestamp to date date to timestamp In general, as a programmer, JSON and timestamps are commonly used two tools, I consulted many friends, they are generally through the online tool to

1. OverviewFlashback technology is part of the powerful backup mechanism of ORALCE, which provides fast and small-loss recovery when a logical error occurs in the database (most flashback functions can be done online in the database). It is

Uppercase and lowercaseAdd the keyword binary before the conditionTake an integerFloor: The function returns only the integer part, and the fractional part discardsRound: Function roundingCeil: Rounding upConditional judgmentIF (EXP1,TRUE-EXP2,FALSE-

Oracle Recovery method for accidental deletion of dataLearning the database, we are just learning attitude, consider how to use the database command statements, did not think about the work, if the wrong operation, can lead to irreparable loss. When

first, the recovery of the tablefor the mistakenly deleted table, as long as not using the Purge permanent delete option, then recover from the flash back area hope is quite large. The general steps are:1. Query the deleted table from Flash

Today, we mainly take Oracle database as an example to introduce the solution to data deletion in the table. (regardless of full-library backup and utilization of archive logs)There are three ways to delete data in a table:Delete (delete a

Today took time to collate a MySQL in the days, weeks, months of time data related to the SQL statement of the various writing, part of the collection of information, all hand-finishing, their own learning at the same time, share to everyone, and

Flashback technology has a flashback table, a flashback delete, a flashback query, a flashback transaction query, a flashback transaction, a flashback database, and a flashback data archive. Among them, the flashback query, Flashback transaction

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