db2 convert number to date

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Several small functions used by Shell to convert and calculate date and time using Epoch

) -int (y/100) + int (y/400)-2472633; j = j * 86400 + $4*3600 + $5*60 + $6 print j $7} '} date2milliseconds 'echo "18:59:19. 073 "|/usr/xpg4/bin/awk-F '[:. -] + ''$1 = $1''Convert date and time to secondFunction date2seconds {echo "$ *" | awk '{z = int (14-$2)/12); y = $1 + 4800-z; m = $2 + 12 * Z-3; j = int (153 * m + 2)/5) + $3 + y * 365 + int (y/4) -int

SQL2 (constraint, date, isnull, case, exists, Cast\convert, index, view, stored procedure, trigger, backup and restore)

N.categoryid C.categoryid,c.[name]First query statement: Select C.categoryid,c.[name] from Category C left join News N in C.categoryid=n.categoryid where N.categoryid is NullSecond query statement: Select Categoryid,[name] from category where NOT exists(SELECT * FROM News where Category.categoryid=news.categoryid)* The first performance is undoubtedly the best when the CategoryID is not repeated in the news table, whereas the second performance is good.11.SQL Statement conversion Format functio

JS timestamp and date format convert each other

Timestamp: is a time representation, defined as the total number of seconds from GMT January 01, 1970 00:00 00 seconds to the present. Unix timestamps are used not only in UNIX systems, Unix-like systems, but also in many other operating systems.1. Convert Timestamps to date formats1 //a simple line of code2 varDate =NewDate (timestamp);//gets a Time object3 4 /

2015-10-20 SQL Second Lesson (constraint, date, isnull, case, exists, Cast\convert, index, view, stored procedure, trigger, backup and restore)

.exists Find out that the CategoryID in the category table are not equal to N.categoryid C.categoryid,c.[name] First query statement: Select C.categoryid,c.[name] from Category C left join News N in C.categoryid=n.categoryid where N.categoryid is Null Second query statement: Select Categoryid,[name] from category where NOT exists ( SELECT * FROM News where Category.categoryid=news.categoryid ) * The first performance is undoubtedly the best when the CategoryID is not repeated in the news table,

MYSQL \ PHP Date functions convert each other

necessary to convert each other, the following gives the conversion of several different ways. One, complete in MySQL This way in the MySQL query statement conversion, the advantage is not to occupy PHP parser parsing time, fast, the disadvantage is only used in database query, there are limitations. 1. UNIX timestamp converted to date function: From_unixtime () General form: Select From_unixtime (11562198

Asp.net C # verify email address, phone number, mobile phone number, English number, date, ID card, zip code, URL, IP address type Regular Expression Verification

(string source){Return Regex. isMatch (source, @ "(file | gopher | news | nntp | telnet | http | ftp | https | ftps | sftp): //) | (www .)) + ([a-zA-Z0-9. _-] +. [a-zA-Z] {2, 6}) | ([0-9] {1, 3 }. [0-9] {1, 3 }. [0-9] {1, 3 }. [0-9] {}) (/[a-zA-Z0-9 amp; % _. /-~ -] *)? ", RegexOptions. IgnoreCase );}# Endregion # Region verification date/** // /// Verification date/// /// /// Public static bool IsDateTi

How to convert a timestamp to a common date format in MySQL

remove the last three bits, otherwise return null Unix_timestamp (date) Returns a UNIX timestamp (the number of seconds since ' 1970-01-01 00:00:00 ' GMT) if no parameter calls are invoked. If Unix_timestamp () is invoked with a date parameter, it returns the number of seconds that start from ' 1970-01-01 00:00:00 '

Format CONVERT date and time in SQL-mysql tutorial

In mysql, we often use the CONVERT () function to format the time and date of the CONVERT type. below I will introduce you to the usage of the CONVERT () function in detail, for your reference. In mysql, we often use the CONVERT () function to format the time and

SQL CONVERT () string int-type Date character type

SQL CONVERT () string int-type Date character type Convert to date notation Convert (data_type (length), Data_to_be_converted,style) Instance Select CONVERT (varchar), GETDATE (), () now

How to convert javascript timestamp to date format _ javascript skills

This article describes how to convert a js timestamp to a date format. If you are interested, refer to the Unix timestamp: Unix timestamp ), or Unix time or POSIX time is a time representation, it is defined as the total number of seconds from GMT, January 1, January 01, 1970 to the present. Unix timestamps are not only used in Unix and Unix-like systems, but als

Database string, date, and data type conversions (Cast/convert)

Tags: ar sp strong data on the art code BSDatabase (string function, Date function, data type conversion Cast,convert)Use studentGoCREATE TABLE Yuangong(code int,Name varchar (20),Sex varchar (20),Age int,Bumen varchar (20),)INSERT into Yuangong values (1, ' Week number ', ' Male ', 27, ' sales Department ')INSERT into Yuangong values (1, ' King of the Week ', '

Format CONVERT date and time in SQL

CONVERT (varchar (100), GETDATE (), 12) -- 060516Select CONVERT (varchar (100), GETDATE (), 13) -- 16 05 2006 10: 57: 46: 937Select CONVERT (varchar (100), GETDATE (), 14) -- 10: 57: 46: 967 The conversion time of a style number is as follows: Style (2 bits indicate the year) Style (

Convert date to long

In this section you will learn to convert the date into a long format.Java. utilPackage provides the functionality to convert a date type into a long type. Description of program: The following program helps you in converting a date into a long type. First of all you need a

JS Convert date string to timestamp star small stack

Get current time:var mydate = new Date ();//Current timevar year = Mydate.getfullyear ();//Current yearsvar month = Mydate.getmonth () + 1;//Current Monthvar day = Mydate.getdate ();//Current dateMydate.getyear (); Get Current year (2-bit)Mydate.getfullyear (); Get the full year (4-bit, 1970-????)Mydate.getmonth (); Get the current month (0-11, 0 for January)Mydate.getdate (); Get current day (1-31)Mydate.getday (); Get Current week x (0-6, 0 for Sund

DB2 unique sequential number generation

The DB2 unique sequential number generation recently developed system requires that many unique document numbers be generated. The rule prefix of the document number is _ yyyyMMdd + sequential number, such as P_201210160001 and P_201210160002. Because multiple document numbers are generated. Therefore, a seed table nam

JavaScript scripts Convert local time to other time zones _ time and date

But what if you want to show different areas of time —--for example, if your part is in another country, what do you do if you want to see "home" time instead of local time? To do this, a variety of time calculations are required to convert local time to destination time. This article explains how to do these calculations. First step: The first step in the business is to get local time. In JavaScript, this can undoubtedly be done easily by initializin

Learning how to convert timestamp and date formats in php

Year Month Day hour minute second:". date ("Y-m-d H: I: s", time (). "\ n "; // Display in minutes Echo "time () shows only the year, month, and day:". date ("Y-m-d", time (). "\ n"; // only the year, month, and day are displayed. Echo "timestamp format:". date ("Y-m-d H: I: s", 1297845628). "\ n"; // use the timestamp directly. //

JSON returns the time format of the database as/date (1332919782070)/, in the foreground with JS how to convert

Label: The principle is to take the middle of the number of milliseconds, and then converted to JS date type Function Changedateformat (val) { if (val! = null) { var date = new Date (parseint ("Val.replace" ("/date", "" "). Replace (")/"," "), 10));

Excel uses DateValue to calculate the number of days between the loan date and the repayment date

When an enterprise lends to banks and individuals, to calculate the number of days between the loan date and the repayment date in Excel, Excel2007 can use the DateValue function to calculate the number of days between the loan date and the repayment

SQL Server Date function cast and CONVERT and introduction to usage in the business _mssql

days and months, these two issues are resolved. A number of time functions have been listed in the previous article, and now the cast and convert used in this article are described in detail: Let's take a look at their grammar: CAST (expression as data_type [(length)]) CONVERT (data_type [(length)], expression [, style]) which Expression: Any valid expressi

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