I am starting to create a new database table based on an existing dbtable. My existing table has a list of ID's and a date range for each ID.
For example:
TableSource
ID Start DateTime End datetime
Y10012 01-12-12 13:00:00 01-19-12 13:00:00
So for this ID, I need my SQL statement to read this table, then create a new table and insert a new row for every second starting from the start date to the end date. I have several id's that span a week at a time. So I am expecting millions and millions of records once I am done.
Then once it completes reading S1001, it moves on to the next ID and appends it to the table. The date ranges are different for each ID- so it can't be hard coded.
I've been looking online and cannot find any help / resources with this so I brought it here :D I'm looking for help in creating a Cursor (this will be inside a SP) that will loop through the records of a "Table" (Temporary or Retrieved) and for each row that is looped through I can use it's values to do inserts against a few other tables. Any resources / help would be great! I work best by example.
I have been wrestling with the code all day to accomplish the following: I need to update a table based on values from another table. So far, I have been able to do the below:
DECLARE @LookUpTerm VARCHAR(25) , @SearchCol VARCHAR(255) , @LogonIDToProcess VARCHAR(50) , @Matched CHAR , @Cycle INT = 1 IF OBJECT_ID('tempdb..#Glossary','U') IS NOT NULL DROP TABLE #Glossary IF OBJECT_ID('tempdb..#Employees','U') IS NOT NULL DROP TABLE #Employees
Two tables t1 and t2 have the same schema but exist on two different servers. Which is the better technique for updating t2 and why?
/****** Object: Table [dbo].[t1] Script Date: 9/6/2007 9:55:21 AM ******/ if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[t1]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[t1] GO
if not exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[t1]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) BEGIN CREATE TABLE [dbo].[t1] ( k [int] IDENTITY (1, 1) NOT NULL , a [char] (10) COLLATE SQL_Latin1_General_CP1_CI_AS NULL , b [char] (10) COLLATE SQL_Latin1_General_CP1_CI_AS NULL , c [char] (10) COLLATE SQL_Latin1_General_CP1_CI_AS NULL , x [int] NULL , y [int] NULL , amt [money] NULL ) ON [PRIMARY] END
GO
/****** Object: Table [dbo].[t2] Script Date: 9/6/2007 9:55:44 AM ******/ if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[t2]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[t2] GO
if not exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[t2]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) BEGIN CREATE TABLE [dbo].[t2] ( k [int] IDENTITY (1, 1) NOT NULL , a [char] (10) COLLATE SQL_Latin1_General_CP1_CI_AS NULL , b [char] (10) COLLATE SQL_Latin1_General_CP1_CI_AS NULL , c [char] (10) COLLATE SQL_Latin1_General_CP1_CI_AS NULL , x [int] NULL , y [int] NULL , amt [money] NULL ) ON [PRIMARY] END
GO
-- Technique 1:
set identity_insert t2 on
insert into t2 (k,a,b,c,x,y,amt) select k,a,b,c,x,y,amt from t1 where not exists (select k from t2 where t1.k = t2.k)
set identity_insert t2 off
update t2 set a = t1.a, b = t1.b, c = t1.c, x = t1.x, y = t1.y, amt = t1.amt from t1 where t1.k = t2.k
-- Technique 2: set identity_insert t2 on
declare t1_cur cursor for select k,a,b,c,x,y,amt from t1 for read only
open t1_cur
declare @k int declare @a char(10) declare @b char(10) declare @c char(10) declare @x int declare @y int declare @amt money
fetch next from t1_cur into @k,@a,@b,@c,@x,@y,@amt while(@@FETCH_STATUS = 0) begin if exists(select k from t2 where k = @k) begin update t2 set a = @a, b = @b, c = @c, x = @x, y = @y, amt = @amt where (k = @k) end else begin insert into t2 (k,a,b,c,x,y,amt) values(@k,@a,@b,@c,@x,@y,@amt) end
fetch next from t1_cur into @k,@a,@b,@c,@x,@y,@amt end
close t1_cur deallocate t1_cur
set identity_insert t2 off
Thanks,
Joel K Database Adminstration/Application Development
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i.e.
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CREATE TABLE Sample (
No INT ,Name VARCHAR(30) , Department VARCHAR(4000) NULL
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CREATE TABLE Sample (
No INT ,Name VARCHAR(30) , Department VARCHAR(4000) NULL
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Thanks,
Dave
TABLE GENERATION SCRIPT
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[tbCelebroAds]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop table [dbo].[tbCelebroAds] GO
CREATE TABLE [dbo].[tbCelebroAds] ( [AdID] [int] IDENTITY (1, 1) NOT NULL , [BranchCode] [int] NOT NULL , [PropertyID] [nvarchar] (20) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL , [AdScheduleCode] [int] NOT NULL , [RecAtCentral] [int] NULL , [AdRan] [int] NOT NULL , [AdStatusID] [int] NOT NULL , [PatID] [int] NULL , [RunDate] [datetime] NOT NULL , [CreationCost] [float] NOT NULL , [BillCost] [float] NOT NULL , [AddedDate] [smalldatetime] NOT NULL ) ON [PRIMARY]
TABLE POPULATION SCRIPT
INSERT INTO tbCelebroAds (BranchCode, PropertyID, AdScheduleCode, PatID, AdStatusID, AdRan, RunDate, CreationCost, BillCost, AddedDate) SELECT [TOP 100 PERCENT or no percent limiter doesn't work, TOP 99.9999999 PERCENT does] BranchCode, PropertyID, AdScheduleCode, cp.PatID, 6, 0, CAST(PubDate AS DATETIME), CAST(ISNULL(pat.Cost,0) AS DECIMAL(10,2)), 0, GetDate() FROM tbCelebroView cv LEFT JOIN tbCelebroPubs cp ON cv.PublicationName = cp.PublicationName AND cv.AdSectionName = cp.AdSectionName LEFT JOIN tbPubToAdType pat ON cp.PatID = pat.PatID WHERE CAST(BranchCode AS nvarchar(20)) + CAST(PropertyID AS varchar(20)) + CAST(AdScheduleCode AS nvarchar(20)) NOT IN (SELECT CAST(BranchCode AS nvarchar(20)) + CAST(PropertyID AS varchar(20)) + CAST(AdScheduleCode AS nvarchar(20)) FROM tbCelebroAds)
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[Code] ....
This is my query. When I use 'xmlns' namespace the result is below:
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