2010年2月25日 · update uno set col1=d.col1,col2=d.col2 from uno inner join dos d on uid=did where [sql]='cool' select * from uno select * from dos If the ID column name is the same in both tables then just put the table name before the table to be updated and use an alias for the selected table, i.e.:

2017年5月21日 · I have a SQL server table in which there are 2 columns that I want to update either of their values according to a flag sent to the stored procedure along with the new value, something like: UPDAT...

To perform an UPDATE statement with a JOIN in SQL Server, you can use the JOIN syntax in combination with the UPDATE statement. Here's an example query that should update the ud table based on the corresponding values from the sale table: UPDATE ud SET ud.assid = sale.assid FROM ud JOIN sale ON ud.id = sale.udid;

2012年1月31日 · I am currently engaged in so doing and in SQL Server 2012 you can now update more than 1 column per @John Woo answer below. – Hilary Commented Aug 24, 2016 at 10:59

2015年10月19日 · UPDATE table1 SET somecolumn = 'someVal' WHERE ID IN (SELECT ID FROM @definedTable); In the above, @definedTable is a SQL 'User Defined Table Type', where the data inside comes through to a stored procedure as (in C#) type SqlDbType.Structured

2009年7月29日 · for those like me still stuck with SQL Server 2000, SET ROWCOUNT {number}; can be used before the UPDATE query. SET ROWCOUNT 100; UPDATE Table SET ..; SET ROWCOUNT 0; will limit the update to 100 rows. It has been deprecated at least since SQL 2005, but as of SQL 2017 it still works.

2009年8月14日 · I need to set a query like below: UPDATE XXXXXX IF column A = 1 then set column B = 'Y' ELSE IF column A = 2 then set column C = 'Y' ELSE IF column A = 3 then set column D = 'Y' and so on and so forth... I am able to do this using multiple queries but was wondering, if I can do it in just 1 statement instead.

2015年12月15日 · This is also an alternate use of case-when... UPDATE [dbo].[JobTemplates] SET [CycleId] = CASE [Id] WHEN 1376 THEN 44 --ACE1 FX1 WHEN 1385 THEN 44 --ACE1 FX2 WHEN 1574 THEN 43 --ACE1 ELEM1 WHEN 1576 THEN 43 --ACE1 ELEM2 WHEN 1581 THEN 41 --ACE1 FS1 WHEN 1585 THEN 42 --ACE1 HS1 WHEN 1588 THEN 43 --ACE1 RS1 …

2012年11月29日 · simple query would be, just set a variable to some number you want. then update the column you need by incrementing 1 from that number. for all the rows it'll update each row id by incrementing 1. SET @a = 50000835 ; UPDATE `civicrm_contact` SET external_identifier = @a:=@a+1 WHERE external_identifier IS NULL;

2008年11月14日 · Update MasterTbl Set TotalX = Sum(D.X), TotalY = Sum(D.Y), TotalZ = Sum(D.Z) From MasterTbl M Join DetailTbl D On D.MasterID = M.MasterID Depending on which database you are using, if that doesn't work, then try this …