year difference in sql

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C # Calculate the time difference between the start date and the SQL statement, including year, month, and day.

SQL Time Difference (year, month, day, week, hour, minute, second .....) select datediff(year,'2010-5-5',getdate())select datediff(month,'2010-5-5',getdate())select datediff(day,'2010-5-5',getdate())select datediff(week,'2010-5-5',getdate())select

SQL Scalar Function-----Date function DateDiff (), Day (), month (), year ()

Select Day (createtime) from Life_unite_product--the days value of the Take time fieldSelect Month (createtime) from Life_unite_product--take the month value of the Time fieldSelect year (createtime) from Life_unite_product--the yearly value of the

SQL query statements for this year, month, and today, with SQL date functions _mssql

Check this diary record SELECT * FROM Messages WHERE convert (Nvarchar, createdate, MR) = CONVERT (Nvarchar, GETDATE (),) Order by CreateD Ate DESC SELECT * from table WHERE DateDiff (day, column name , GETDATE ()) =0 Check this year SELECT

SQL Server gets this week, this month, this year and other Time records

DateDiff (Week,zy_time,getdate ()) =0//query this weekDateDiff (Month,zy_time,getdate ()) =0//enquire this monthThis season: SELECT * from table where DATEDIFF (Qq,c_calltime,getdate ()) =0First half year 1-6, after half year 7-12:select * from

SQL gets the current date, year, month, day, week, time, minute, second

Select GETDATE() as 'Current Date', Datename( Year,GetDate()) as 'years', Datename(Month,GetDate()) as 'Month', Datename( Day,GetDate()) as 'Day', Datename(DW,GetDate()) as 'Week', Datename(Week,GetDate()) as 'Week number',

SQL SQL Server (verbose) SQL statement optimization _mssql

MS SQL Server Query optimization methodThere are many reasons for the slow speed of queries, which are common1, no indexes, or no indexes (this is the most common problem with query slowness, is the flaw in programming)2, I/o throughput is small,

SQL Scalar function-----Date function day (), month (), year ()

Select Day (createtime) from Life_unite_product--the days value of the Take time fieldSelect Month (createtime) from Life_unite_product--take the month value of the Time fieldSelect year (createtime) from Life_unite_product--the yearly value of the

SQL statements get today, yesterday, nearly 7 days, this week, last week, this month, last month, half year data

onTo say there is an article table article, the time to store an article's added article is the Add_time field, which is an int (5) type, you now need to query the total number of articles added today and sort by time from large to small, then the

The SQL optimization methodology based on Oracle

The ultimate goal of SQL optimization in Oracle database is to shorten the execution time of the target SQL statement. To achieve this, we usually have the following three ways to choose:1, reduce the resource consumption of the target SQL statement;

Summary of differences between Access and SQL Server databases in asp

[1] connection problems (example) [Microsoft Access] Constr = "DBQ = c: \ daTa \ clwz. mdb; DRIVER = {Microsoft Access Driver (*. mdb )}" [Microsoft SQL Server] Constr = "DRIVER = {SQL Server}; SERVER = host; DATABASE = mydata; uid = sa; pwd =" [2]

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