sql date 7 days

Records reprinted from: Http://www.cnblogs.com/suruozhong/p/5974595.htmlall data for today: SELECT * FROM table name where DateDiff (dd,datetime Type field, GETDATE ()) =0 all data for yesterday: SELECT * from table name where DateDiff (DD, DateTime

All data for Today:Select* fromTable namewhereDateDiff (dd,datetime Type field, GETDATE ()) =0all data for yesterday:Select* fromTable namewhereDateDiff (dd,datetime Type field, GETDATE ()) =1all data in 7 days:Select* fromTable namewhereDateDiff

Using date types in PL/SQLThe previous article described the use of strings and numbers in PL/SQL. There is no doubt that strings and numbers are important, but you can be sure that no application is dependent on the date.You need to record events,

Working with Dates in PL/SQL (date used in PL/SQL) The previous articles in this introductory PL/SQL series focused on working with strings and numbers in PL/SQL-based applications. without a doubt, strings and numbers are important, but it is

The SQL date minus DATEDIFF () returns the number of days between two dates. The definition and usage of the DATEDIFF () function returns the number of days between two dates. The syntax DATEDIFF (date1, date2) date1 and date2 are valid date and

Date functionDate functions manipulate Date values (fields of date type), timestamp values (TIMESTAMP, TIMESTAMP with time ZONE, and TIMESTAMP with the fields of the local time ZONE type), and interval values (INTERVAL day to SECOND and INTERVAL

------------------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)

MySQL Query SQL statements today, yesterday, nearly 7 days, nearly 30 days, this month, and last JanuaryThis article mainly introduces the MySQL query today, yesterday, nearly 7 days, nearly 30 days, this month, the January of SQL statements,

MySQL Query SQL statements today, yesterday, nearly 7 days, nearly 30 days, this month, and last JanuaryThis article mainly introduces the MySQL query today, yesterday, nearly 7 days, nearly 30 days, this month, the January of SQL statements,

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