Local Test Cases:
# there can be no spaces on either side of the equal sign, before the error has been out here
yesterday= ' date-d last-day +%y-%m-%d '
echo $yesterday
curday= ' Date +%y-%m-%d '
echo $curday
echo "Now time: ' Date ' +%y%m%d%T '"
Date and Time functionsThis chapter discusses some functions that can be used to manipulate time values. See section 11.3, "Date and Time type" for valid formats for each time and date type with a range and a specified value.
The following example
Common date functions
SQL Server time and date function detailed, SQL Server, time, date,
1. Current system date, time
Select GETDATE ()
2. DateAdd returns a new datetime value on the basis of adding a period of time to the specified date
For
Use the shell in Linux to get yesterday, tomorrow, or many days ago:In Linux, the man date-d parameter is relatively vague, the following examples further illustrate:#-D,--date=string display time described by STRING, not ' now '[Email protected]
------------------date is converted into a month and a day and seconds---------------Select ' R ' +convert (varchar), GETDATE (), 112)+right (CAST (Power (10,2) as varchar) +datepart (hour, GETDATE ()), 2)+right (CAST (Power (10,2) as varchar)
First, how does Perl get
Copy Code code as follows:
#!/usr/bin/perl-w
Use POSIX QW (strftime);
My $day = strftime ("%y%m%d", LocalTime (time-24*3600)); #获取昨天的日期
Second, in Linux on the man date-d parameters of the
Reproduced in this blog, the original blog: http://blog.csdn.net/baiduandxunlei/article/details/9180075CONVERT (Data_type,expression[,style])CONVERT (varchar (10), field name, conversion format)DescriptionThis style is typically in the time type
Common SQL Server date comparison and date query statements
In SQL Server, you may need to obtain the current date and calculate some other dates. For example, your program may need to determine the first or last day of a month. Most of you probably
Summary of Access date and time functions. For more information, see
Summary of Access date and time functions. For more information, see
When developing a system today, we need to implement such a function.
Query related content based on the
When developing a system today, we need to implement such a function.
Query related content based on the selected date, but not filter by the entire date, but filter by year, month, or day splitting, for example, from January 1, 2013 to January 1,
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.