sql add months to date

CONVERTExplicitly converts a data type expression to another data type. Because some requirements often use different date formats, the following can be found inFormat the date in SQL Server. SQL Server supports the data format in the Arabic style using the Kuwait algorithm. In the table, the two columns on the left re

notTRUNCATE TABLE cannot be used for tables that have a FOREIGN key constraint reference.Change-UPDATE statement:Update table name set column name = update value [WHERE condition]WHERE clause does not update all dataFor example, add two points to Zhang San's score in the score table:Update score Table Set score = Score +2 where name = ' Zhang San 'Check select-query statement:1. Select Column name from table name where condition2. SELECT statement Pa

SQL query of date fields // Query all the data generated at every daySelect * from table where datepart (HH, Date Field) = 8// Query all records whose dates are 2006-7-6Select *From cstrecordWhere (datepart ([Day], optime) = 6) and (datepart ([year], optime) = 2006) and(Datepart ([month], optime) = 7)1) Remove the hour, minute, and secondDeclare @ dateti

--Get current timeSelect getdate ()---Get the current month yy for the year, MM on behalf of the Moon, DD Representative Day, HH representative, the SS on behalf of the second/* The code is as follows Copy Code Year yy 1753--9999 quarter QQ 1--4 month mm 1--12 day of year dy 1--366Day DD 1--31 Week wk 1--53 weekday DW 1--7 (Sunday--saturday) Hour hh 0--23 minute mi 0--59 second SS 0--59 Milisecond Ms 0--999 * *--datepart is similar to DATENAME implementatio

Definition and usageThe DATEADD () function adds or subtracts a specified time interval from a date.GrammarDATEADD (datepart,number, date) The date parameter is a valid day expression. The number is the number of intervals you want to add, and for the future time, this is positive, and for the past time, this number is negative.The datepart parameter can be the

Take the date in the database, ask you an SQL statement Delphi/Windows SDK/API Http://www.delphi2007.net/DelphiDB/html/delphi_20061219100404229.html In the database, there is a table named ABC, with a field attribute of the date and time type. I wrote a statement to find the record of today. That is to say, select * from ABC where riqi = today Thank you for your

Add, delete, change, check in SQLFirst, Increase: there are 2 ways1. Insert a single line of data using insert:Syntax: Insert [into] Example: INSERT into Students (name, gender, date of birth) values (' Wang Weihua ', ' Male ', ' 1983/6/15 ')　　Note: If you save the token name, all columns will be inserted sequentially2. Use the Insert,select statement to add data

In sqlserver2000, convert is used to obtain the processing result of the datetime data type style (full) date data format. Two examples are as follows: CONVERT (varchar (16), time 1, 20: 2007-02-0108:02 * The time is generally the * CONVERT (varchar (10), time 1, 23) Result of the getdate () function or the field * CONVERT (varchar (10) in the data table: 2007-02 In SQL server2000, convert is used to obtain

Label:Select CONVERT (varchar), DATEPART (YYYY,A.FSSJ) as years,--get yearCONVERT (varchar), DATEPART (MM,A.FSSJ) as months,--get monthSUM (case if b.fszt in (' 1 ', ' 2 ') then A.cfs else 0 end) as Fscgnumber,SUM (A.CFS) as FsnumberFrom T_mtn_sendrecord AINNER JOIN T_mtn_sendnote B on A.DXDM=B.DXDMGROUP by CONVERT (varchar), DATEPART (YYYY,A.FSSJ), convert (varchar), DATEPART (MM,A.FSSJ))ORDER by CONVERT (int,convert (varchar), DATEPART (YYYY,A.FSSJ)

): 05-16-2006 Select CONVERT (varchar), GETDATE (), 111): 2006/05/16 Select CONVERT (varchar), GETDATE (), 112): 20060516 Select CONVERT (varchar), GETDATE (), 113): 16 05 2006 10:57:49:513 Select CONVERT (varchar), GETDATE (), 114): 10:57:49:547 Select CONVERT (varchar), GETDATE (), 120): 2006-05-16 10:57:49 Select CONVERT (varchar), GETDATE (), 121): 2006-05-16 10:57:49.700 Select CONVERT (varchar), GETDATE (), 126): 2006-05-16t10:57:49.827 Select CONVERT (varchar), GET