date difference function in netezza

Reference from: http://blog.csdn.net/sinat_37487842/article/details/728644621 Import Time2 Importdatetime3 4 #calculates two date difference days, a custom function name, and a variable name of two dates. 5 defCaltime (date1,date2):6 #%y-%m-%d is a date format in which the--can be substituted or not written, but

', interval ' 1 1:1:1 ' Day_second) |+--------------------------------------------------- -------------+| 1997-12-30 22:58:59 |+----------------------------------------------------------------+MySQL date_sub () datetime functions and Date_add () are used in a consistent, no-repeat.MySQL date, Time subtraction function: DateDiff (DATE1,DATE2), Timediff (time1,time2)MySQL DateDiff (DATE1,DATE2): Two

')function parameters/FunctionsGetDate () returns the current date and time of the systemDateDiff (INTERVAL,DATE1,DATE2) returns the difference between Date2 and date1 two dates, as specified by interval date2-date1DATEADD (interval,number,date) in the manner specified by interval, plus the

Date_format () takes the same arguments as date () and returns the same values, so what's the difference between them. A synonym? Resources:http://www.php.net/manual/zh/function.date.phpHttp://www.php.net/date_format Reply content: Date_format () takes the same arguments as date () and returns the same values, so what's the

JS to get the current year practice is Var dayobj=new Date (); Dayobj.getyear () to get the year, I have written earlier this will appear browser compatibility problem, is in IE can get the results we want but not in FF, and we want the results of 1900 years difference. At the time, my approach was: var dayobj=new Date (); var myyears = (Dayobj.getyear ()

+ = D.getmilliseconds ();　　　 return (s); } (4) getminutes function: Returns the "minute" part of the date with a value of 0~59. See the example above. (5) getMonth function: Returns the month portion of the date with a value of 0~11. 0 means January, 2 means March, ..., and 11 means December. See the previou

= Date2chinese + "ten" + num (iday Mod 10) + "Day" End If Else Date2chinese = Date2chinese + num (iday Mod 10) + "Day" End If End Function Figure out the number of days per monthOne law: Dim A, B, c A = Year (now ()) b = Month (now ()) c = Format ((A "/" B + 1 "/1"), "######")-Format ((A "/" B "/1"), "######" Two methods: DateDiff ("D", Format (date, "yyyy-mm-01"), Format (DATEADD ("M",-1

Oracle has two time types: Date and timestamp. Date, accurate to seconds, and timestamp to milliseconds. 1. Calculate the time difference of the date type You can set the year, month, day, hour, minute, and second first.Use the to_char function to split the data and c

read and understand. Now if we need to add 19 hours to the current time, we use $hours+19 instead of the $hours in the Mktime () function. Mktime () will automatically turn the time to the next day for us. 1. after running, get:14h58 Saturday June09h58 Sunday June~e after adding hoursReducing the time is the same-you just need to reduce the value of the corresponding variable.The difference between g

MySQL obtains the current date and time stamp function bitsCN.com MySQL returns the current date, time, and timestamp. 1.1 obtain the current date + time (date + time) function: now () Mysql> select now (); + ------- + | Now ()

z--time zone difference from the current time zone, in seconds ——-43200 to 43200 Complete Date/time (full date/time) 1 C--iso 8601 Format Date (PHP 5 new)--2004-02-12t15:19:21+00:00 2 R--RFC 822 Format Date--thu, 2000 16:01:07 +0200 3 u--Total description From 1970 1.

Php date difference 8 small time solution. Initialization statement for adding time to the program: date_default_timezone_set (asiashanghai); definition and usage of the initialization statement for adding time to the prepare () program: "date_default_timezone_set (" asia/shanghai "); Definition and usage The date_default_timezone_set () function sets the defaul

; otherwise, false is returned. The function exact can be case sensitive, but the format difference is ignored. Use the function exact to test the text in the input document. Syntax format: exact (text1, text2) text1 is the first string to be compared. Text2 is the second string to be compared. Example: see Figure 4 Exact ("China", "China") = false 　Figure 4 Ii.

This article mainly introduces the javascript date processing function and optimizes the performance of batch processing. If you need it, you can refer to the many blog posts that actually write javascript date formatting on the Internet, not bad. The only pity is that the function is only implemented and the performan

This article mainly introduces the javascript date processing function and optimizes the performance of batch processing. if you need it, you can refer to the many blog posts that actually write javascript date formatting on the Internet, not bad. The only pity is that the function is only implemented and the performan

Label:Date conversion for 1.MYSQL and Oracle There are 2 date formats in MySQL, dates and time,oracle have only one date format. Oracle> Select To_char (sysdate, ' Yyyy-mm-dd ') from dual; Oracle> Select To_char (sysdate, ' Hh24-mi-ss ') from dual; Mysql> Select Date_format (now (), '%y-%m-%d '); Mysql> Select Time_format (now (), '%h-%i-%s '); 2.MYSQL and Oracle Modify field lengths or types Oracle>alter T

the last day of the month in which the date is located, and this function can be used to determine how many days are still available this month. localtimestamp[(Precision)] returns the current date of the session time zone with the timestamp type. If precision is specified, it refers to the precision of the number of seconds returned, which defaults to 6. Months

javascript| Function | tutorial Date functions that use JavaScript The date (date) object can be created using the date () constructor, and in the previous tutorial we have introduced the date () constructor, which is not repeated

PHP date () function, phpdate Function Related Parameters 1. Y (y)-m (M, F)-d Where:Year① The full name of year is displayed when the year is Y; ② When the year is y, the last two digits of the year are displayed; Month③ When the month is M, three abbreviated months are displayed; ④ When the monthly value is F, the full name of the month is displayed; ⑤ When the

the Date1 or date2 is included in quotation marks ("") and the year is omitted, the current year is inserted each time the Date1 or date2 expression is evaluated in the code. This allows you to write program code that works for different years.When interval is "year" ("yyyy"), comparing the January 1 of December 31 and the following year, although the actual difference is only one day, DateDiff returns 1 to indicate a