SELECTEmployeeID,Name,HireDate,DATEDIFF(DAY,HireDate,GETDATE())ASDaysSinceHiredFROMEmployees; 1. 2. 3. 4. 5. 6. 7. 上面的查询将返回每位员工的ID、姓名、入职日期以及他们从入职到今天的天数差。GETDATE()函数用于获取当前日期和时间,而DATEDIFF函数则计算两个日期之间的差值。 4. 结果分析 执行上述 ...
1,(SELECT DATEADD(wk,DATEPART(wk,GETDATE())-1,Convert(DAteTime,'01-01-' + @Year))) ) DECLARE @LastDate DATETIME SET @LastDate =(SELECT DATEADD(dd,4,@FirstDate)) SELECT @FirstDate ,@LastDate
Select*FromTableNameWhereDateDiff(dd, DateTimCol, GetDate()) = 1 --明天 Select*FromTableNameWhereDateDiff(dd, GetDate(), DateTimCol) = 1 --最近七天 Select*FromTableNameWhereDateDiff(dd, DateTimCol, GetDate()) <= 7 --随后七天 Select*FromTableNameWhereDateDiff(dd, GetDate(), DateTimCo...
This is an issue that I had been busy working on these past few days. We were getting AV dumps on... Date: 03/26/2012 VSS backups might cause SQL to generate Non-Yielding Scheduler dumps if Backup verification is turned on Found an interesting Non-Yielding scheduler recently. Opened the...
PL/SQL How to get X day ago from a Date as Date? Ask Question Asked 11 years, 10 months ago Modified 9 years, 6 months ago Viewed 22k times 15 I want to get 100 days ago from 08-APR-13, as date. How to do it with pl/sql?sql...
-- Two hours ago SELECTDATEADD(hour,-2,GETDATE()) -- Same date and time last month SELECTDATEADD(MONTH,-1,GETDATE()) -- Start of the month SELECTCAST('01 '+RIGHT(CONVERT(CHAR(11),GETDATE(),113),8)ASdatetime) -- Start of last month ...
SELECTEmployeeID,Name,DATEDIFF(DAY,StartDate,ISNULL(EndDate,GETDATE()))ASDaysWorkedFROMEmployees; 1. 2. 3. 4. 5. 6. 在上述查询中,我们使用ISNULL函数来处理离职日期为空的情况,默认使用当前日期GETDATE()。 关系图 为了更好地理解数据之间的关系,这里提供一幅员工与日期的关系图。
下例使用数值表达式 (GETDATE ()+ 1) 和标量系统函数 GETDATE 与 SYSDATETIME 作为 enddate 的参数。 复制 USE AdventureWorks2008R2; GO SELECT DATEDIFF(day, '2007-05-07 09:53:01.0376635', GETDATE()+ 1) AS NumberOfDays FROM Sales.SalesOrderHeader; GO USE AdventureWorks2008R2; GO SELECT DATEDI...
此範例會使用數值運算式(GETDATE() + 1)和純量系統函數GETDATE與SYSDATETIME,當作enddate的引數。 SQL USEAdventureWorks2022; GOSELECTDATEDIFF(day,'2007-05-07 09:53:01.0376635',GETDATE() +1)ASNumberOfDaysFROMSales.SalesOrderHeader; GOUSEAdventureWorks2022; GOSELECTDATEDIFF(day,'2007-05-07 09:53:...
date1=`date --date "7 days ago" +"%Y-%m-%d"` delete_db_sql=“delete from mysql_table where create_date_time<‘$date1’ limit 10000” i=0 while ((++i)); do a=`/bin/mysql -uroot -p123456 -A mysql_database -h127.0.0.1 --comments -e "${delete_db_sql}" -vvv|...