SQL Server 2012 :: Copy A Table With 200 Million Rows To Another Table On Same Server

Aug 11, 2014

I need to use Bulk insert statement for copying a table with 200 million rows to another table on the same server...the table has no primary key or identity column.... script for BULK INSERT ...

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SQL Server 2014 :: Insert 500 Million Rows Into In-memory Table

Jul 29, 2014

I am doing a performance testing for In-memory option is sql server 2014. As a part I want to insert 500 million rows of records into a in-memory enabled test table I have created.

I need a sample script to insert 500 million records into a table ....

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SQL Server 2012 :: Update Statement Will Not Update Data Beyond 7 Million Plus Rows Out Of 38 Millions Rows

Dec 12, 2014

I run the following statement and it will not update beyond 7 million plus rows and I have about 38 million to complete. I keep checking updated row counts and after 1/2 day it's still the same so I know something is wrong because it was rolling through no problem when I initiated it. I need to complete ASAP so it's adding to my frustration. The 'Acct_Num_CH' field is an encrypted field (fyi).

SET rowcount 10000
UPDATE [dbo].[CC_Info_T]
SET [Acct_Num_CH] = 'ayIWt6C8sgimC6t61EJ9d8BB3+bfIZ8v'
WHERE [Acct_Num_CH] IS NOT NULL
WHILE @@ROWCOUNT > 0
BEGIN
SET rowcount 10000
UPDATE [dbo].[CC_Info_T]
SET [Acct_Num_CH] = 'ayIWt6C8sgimC6t61EJ9d8BB3+bfIZ8v'
WHERE [Acct_Num_CH] IS NOT NULL
END
SET rowcount 0

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SQL Server 2012 :: Create Table From Rows Of A Different Table

Mar 6, 2015

I am using SQL SERVER 2012..I have the following table:

tbtab1
| A | B | C |
| 1 | Pluto | NULL |
| 2 | Pippo | NULL |
| 3 | Rossi | NULL |

I want to creare a new empy table with the columns name contained into the column B of the first table; the following should my results:

tbtab2
| Pluto | Pippo | Rossi |

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SQL Server 2012 :: Dynamically Copy The Table From One DB To Another?

Nov 27, 2014

Need to scheduled to copy table data from one database to another database daily @7:00 AM by creating the table with date and time stamp.

Example :

Test1DB ---> Table1

Test2DB -----> Table1_281120140700 in Day1 and Table2_291120140700 in Day2.....and so.

SELECT * INTO Test2db.dbo.new_table_name FROM Test1db.dbo.old_table_name in this format ??

script and scheduled to run daily @ 7:00AM?

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SQL 2012 :: How To Copy Data From One Table On Remote Server A To B

Aug 12, 2015

how to copy a content of a table from one remote server to another,. server A does not see server B (B doesn't see A) - I cannot even ping to one from another.I do have SQL Studio installed on server C, which IT team configured to allow access to both A and B.So what I did so far is to periodically:

1. connect from the studio on server C to server A
2. run the following script on server A: SELECT * FROM A.myTable FOR XML PATH('ROOT')
3. copy the result
4. connect from the studio on server C to server B
5. to write something like

DECLARE @xmlData XML;
SET @xmlData = pasting here my result from item 3 above

6. INSERT INTO
SELECT

ref.value .....
FROM @xmlData.nodes('/myElemnet/ROOT')
xmlData( ref );

so it works. now there is a requirement to schedule this update to run periodically and I need to implement it..

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Updating A Column In A Table That Contains 50 Million Rows

Feb 27, 2008

I'm looking for some performance assistance on updating a column value in a table that contains approximately 50 million rows. I have a permanent table in another database that has the key column and value to be set. My query is listed below, but I'm afraid it will run quite awhile. Any suggestions would be appreciated.

update mytable
set column2 = b.column2
from mytable as a
join mytable1 as b
on a.column1 = b.column1



There is a one to one relationship between the two tables.

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SQL 2012 :: 1.5 Million Records Into Temp Table

Sep 23, 2014

I come from a web based world were loading 1.5 million records into a temp table is suicide. I’m doing more data warehouse stuff now and I was looking into optimizing a buddies proc and noticed he was loading 1.5 million records into a temp table. We had a discussion about it because being from a web world I was drastically against it. He on the other hand didn’t feel it was an issue being it gets called once maybe twice a day. The tempdb is set to autogrow and it is on a different drive than all the other databases on the box. It has one ldf and mdf. He’s creating an index on the table after load. Why we shouldn’t be loading 1.5 million recs into temp table?

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Transact SQL :: Query To Update A Table With More Than 150 Million Rows Of Data?

Sep 17, 2015

I have been tasked with writing an update query to update a table with more than 150 million rows of data. Here are the table structures:

Source Tables :

OC
CREATE TABLE [dbo].[OC](
[OC] [nvarchar](255) NULL,
[DATE DEBUT] [date] NULL,
[DATE FIN] [date] NULL,
[Code Article] [nvarchar](255) NULL,
[INSERTION] [nvarchar](255) NULL,

[Code] ....

The update requirement is as follows:

DECLARE @Counter INT=0 --This causes the @@rowcount to be > 0
while @@rowcount>0
BEGIN
    SET rowcount 10000
    update r
    set Comp=t.Comp

[Code] ....

The update took more than 48h and didn't terminate , how to accelerate it ?

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SQL Server 2012 :: Get Rows And Sum In Joined Table

May 2, 2015

I want to return all rows in table giftregistryitems with an additional column that holds the sum of column `amount` in table giftregistrypurchases for the respective item in table giftregistryitems.

What I tried, but what returns NULL for purchasedamount:

SELECT (SELECT SUM(amount) from giftregistrypurchases gps where registryid=gi.registryid AND gp.itemid=gps.itemid) as purchasedamount,*
FROM giftregistryitems gi
LEFT JOIN giftregistrypurchases gp on gp.registryid=gi.id
WHERE gi.registryid=2

How can I achieve what I need?

Here's my table definition and data:

/****** Object: Table [dbo].[giftregistryitems] Script Date: 02-05-15 22:37:11 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[giftregistryitems](
[id] [int] IDENTITY(1,1) NOT NULL,

[Code] ....

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SQL Server 2012 :: Insert Rows In A Table

Jul 28, 2015

In a t-sql 2012 sql script, I have the following script, that only works for a few records since the value of TST.dbo.LockCombination.seq only contains the value or 1 in most cases. Basically for every join listed below, there should be 5 records where each record has a distinct seq value of 1, 2, 3, 4, and 5. Thus my goal is to determine how to add the missing rows to the TST.dbo.LockCombination where there are no rows for seq values of between 2 to 5. I would like to know how to insert the missing rows and then do the following update statement. Thus can you show me the sql on how to add the rows for at least one of the missing sequence numbers?

UDATE LKC
SET LKC.combo = lockCombo2
FROM [LockerPopulation] A
JOIN TST.dbo.School SCH ON A.schoolnumber = SCH.type
JOIN TST.dbo.Locker LKR ON SCH.schoolID = LKR.schoolID AND A.lockerNumber = LKR.number
JOIN TST.dbo.Lock LK ON LKR.lockID = LK.lockID
JOIN TST.dbo.LockCombination LKC ON LK.lockID = LKC.lockID
WHERE LKC.seq = 2

A normal select statement looks like the following:

select * from TST.dbo.Locker LKR
JOIN TST.dbo.Lock LK ON LKR.lockID = LK.lockID
JOIN TST.dbo.LockCombination LKC ON LK.lockID = LKC.lockID
where LKR.number in (000,001,1237)

In case you need the ddl statements for the tables affected here are the ddl statements:

CREATE TABLE [dbo].[Locker](
[lockerID] [int] IDENTITY(1,1) NOT FOR REPLICATION NOT NULL,
[schoolID] [int] NOT NULL,
[number] [varchar](10) NOT NULL,
[serialNumber] [varchar](20) NULL,
[type] [varchar](3) NULL,
[locationID] [int] NULL,

[code]...-

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AFTER INSERT Trigger Takes Forever On A Large Table (20 Million Rows)

Aug 30, 2007

I have a row that is being used log track plays on our website.

Here's the table:


CREATE TABLE [dbo].[Music_BandTrackPlays](
[ListenDate] [datetime] NOT NULL DEFAULT (getdate()),
[TrackId] [int] NOT NULL,
[IPAddress] [varchar](20)
) ON [PRIMARY]


There's a CLUSTERED INDEX on ListenDate ASC and a NON CLUSTERED INDEX on the TrackId.

I have a TRIGGER on the Music_BandTrackPlays table that looks like the following:


CREATE TRIGGER [trig_Increment_Music_BandTrackPlays_PlayCount]
ON [dbo].[Music_BandTrackPlays] AFTER INSERT
AS
UPDATE
Music_BandTracks
SET
Music_BandTracks.PlayCount = Music_BandTracks.PlayCount + TP.PlayCount
FROM
(SELECT TrackId, COUNT(*) AS PlayCount
FROM inserted
GROUP BY TrackId) AS TP
WHERE
Music_BandTracks.TrackId = TP.TrackId


When a simple INSERT statement is done on the Music_BandTrackPlays table, it can take quite a long time. When I remove the TRIGGER the INSERTs are immediate. The Execution plan for the TRIGGER shows that a 'Inserted Scan' is taking up most of the resources.

How exactly is the pseudo 'inserted' table formed?

For now, I think the easiest thing to do is update my logging page so it performs 2 queries. One to UPDATE the Music_BandTracks table and increment the counter, and perform the INSERT into the Music_BandTrackPlays table seperately.

I'm ok with that solution but I would really like to understand why the TRIGGER is taking so long. The 'inserted' pseudo table will be 1 row 99% of the time. Does SQL Server perform a table scan on all 20 million rows in order to determine what's new and put it in the inserted pseudo table?

Thanks!

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SQL Server 2012 :: Insert Rows Into A Table Without Dropping It

Sep 23, 2014

I am finding it difficult to find an example that allows for insertion of additional rows into a table, without dropping the table I'm inserting into. Or inserting specific values. Like this example..

[URL] ....

I have 6 table I am formatting the data to conform to the final table as I'm inserting it into, but none of these examples gives me the example needed. I am using SQL 2012.

<code>
SELECT
CONVERT(VARCHAR(50),[FName]) + ' ' + CONVERT(VARCHAR(50),[LName]) AS [CustName]
,CAST('ALARMCOM' as nvarchar(8)) as VendorName
,CONVERT(VARCHAR(25),[CUSTOMER_CS_ACCOUNT_NUMBER]) AS [Cust_ID]
,CONVERT(VARCHAR(40),[Charge_Description])as [ChargeType]
,CASE

[Code] ....

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Transact SQL :: Adding A Column To A Large (100 Million Rows) Table With Default Constraint?

Apr 24, 2013

IF NOT EXISTS (SELECT TOP 1 1 FROM dbo.syscolumns WHERE id = OBJECT_ID(N'dbo.Employee) and name = 'DoNotCall')
BEGIN
ALTER TABLE [dbo].[Employee] ADD [DoNotCall] bit not null Constraint DoNot_Call_Default DEFAULT 0
IF ( @@ERROR <> 0 )
GOTO QuitWithRollback
END

It just takes a LOT of time in SQL Server Management studio. I have to cancel the query and cancelling takes a whole lot time. I am using SQL Server 2008.

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SQL Server 2012 :: Find Rows Where Value In Column Not Found In Another Row In Same Table

Jul 16, 2014

Can't seem to make this SQL query work!

Given one table, Table1, with columns Key1 (int), Key2 (int), and Type (varchar)...

I would like to get the rows where Type is equal to 'TypeA' and Key2 is Null that do NOT have a corresponding row in the table where Type is equal to 'TypeB' and Key2 is equal to Key1 from another row

So, given the data

**KEY1** **Key2** **Type**
1 NULL TypeA
2 5 TypeA
3 1 TypeB
4 NULL TypeA
5 NULL TypeB

I would like to return only the row where Key1 = 4 because that row meets the criteria of Type='TypeA'/Key2=NULL and does not have a corresponding row with Type='TypeB'/Key1=Key2 from another row.

I have tried this and it doesn't work...

SELECT t1.Key1, t1.Key2, t1.Type
FROM Table1 t1
WHERE t1.Key2 IS NULL
AND t1.Type LIKE 'TypeA'
AND t1.Key1 NOT IN
(SELECT Key1
FROM Table1 t2
WHERE t1.Key1 = t2.Key2
AND t1.Key1 <> t2.Key1
AND t2.Type LIKE 'TypeB')

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SQL Server 2012 :: Merge Multiple Rows From Single Table

Nov 17, 2014

I have resulting rows from a query similar to the following:

The data is coming from a single table that contains only one coverage code column and one coverage code date, but the end user wants the two coverage code types and dates combined into a single row. So the SELECT looks something like this:

SELECT
[Employee ID] = emp.employee_id,
[Coverage Code 1] = enr.coverage_code,
[Coverage Date 1] = enr.coverage_date,
[Coverage Code 2] = case when enr.product_type = 'Accident.Accident'
then enr.coverage_code else NULL end,

[Code] ....

I basically want to merge the like Employee ID's together into a single row like the following:

I know I have done this before and it is probably pretty simple.

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SQL Server 2012 :: Select Rows With Sum Of Column From Joined Table?

May 2, 2015

I want to return all rows in table giftregistryitems with an additional column that holds the sum of column `amount` in table giftregistrypurchases for the respective item in table giftregistryitems.

What I tried, but what returns NULL for purchasedamount:

SELECT (SELECT SUM(amount) from giftregistrypurchases gps where registryid=gi.registryid AND gp.itemid=gps.itemid) as purchasedamount,*
FROM giftregistryitems gi
LEFT JOIN giftregistrypurchases gp on gp.registryid=gi.id
WHERE gi.registryid=2

How can I achieve what I need?

Here are my table definitions and data:

/****** Object: Table [dbo].[giftregistryitems] Script Date: 02-05-15 22:37:11 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[giftregistryitems](
[id] [int] IDENTITY(1,1) NOT NULL,

[code].....

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DELETING 100 Million From A Table Weekly SQl SERVER 2000

Nov 5, 2005

DELETING 100 million from a table weekly SQl SERVER 2000Hi AllWe have a table in SQL SERVER 2000 which has about 250 million recordsand this will be growing by 100 million every week. At a time the tableshould contain just 13 weeks of data. when the 14th week data needs tobe loaded the first week's data has to be deleted.And this deletes 100 million every week, since the delete is taking lotof transaction log space the job is not successful.Can you please help with what are the approaches we can take to fixthis problem?Performance and transaction log are the issues we are facing. We trieddeletion in steps too but that also is taking time. What are thedifferent ways we can address this quickly.Please reply at the earliest.ThanksHarish

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DB Engine :: Deleting 1 Million Records From Transaction Table Of 10 Million Data On 24/7 Environment

Jun 12, 2015

I have a requirement to delete 1 Million records from a table having 10 Million data and it's being queried on 24/7 basis (don't have a downtime). how can I achieve that?

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SQL 2012 :: Snapshot Getting Corrupted After Insert Update Few Million Records Into A Table

Mar 12, 2015

We are facing a weird scenario in which the snapshot is getting corrupted after insertupdate few million records in to a table .

SQL Server 2012
windows server 2008 R2
service pack 1
64-bit OS

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SQL Server 2012 :: How To Delete Duplicate Rows Present In Parent Table

Oct 19, 2014

I have a master table and i need to import the rows into the parent and child table.

Master table name is Flatfile_Inventory
Parent Table name is INVENTORY
Child Tables name are INVENTORY_AMOUNT,INVENTORY_DETAILS,INVENTORY_VEHICLE,
Error details will be goes to LOG_INVENTORY_ERROR

I have 4 duplicate rows in the Flatfile_Inventory which i have already inserted in the Parent and child table.

Again when i run the query using stored procedure,its tells that all the 4 rows are duplicate and will move to the Log_Inventory_Error.

I need is if i have the duplicate rows in the flatfile_Inventory when i start inserting into the parent and child table the already inserted row have the unique ID i must identify it and delete that row in the both parent and chlid table.And latest row must get inserted into the Parent and child table from Flatfile_Inventory.

-- ===============================================================================================
-- STORED PROCEDURE FOR FLATFILE_INVENTORY
-- ===============================================================================================
USE [IconicMarketing]
---=======================================SALES_CURSUR===========================================
--USE IconicMarketing
--GO
DECLARE
@FileType varchar(50) ,
@ACDealerID varchar(50) ,

[code].....

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SQL Server 2012 :: Convert Rows To Columns Using Dynamic PIVOT Table

Feb 3, 2015

I have this query:

SELECT TOP (100) PERCENT dbo.Filteredfs_franchise.fs_franchiseid AS FranchiseId, dbo.Filteredfs_franchise.fs_brandidname AS Brand,
dbo.Filteredfs_franchise.fs_franchisetypename AS [Franchise Type], dbo.Filteredfs_franchise.fs_franchisenumber AS [Franchise Number],
dbo.Filteredfs_franchise.fs_transactiontypename AS [Transaction Type], dbo.Filteredfs_franchise.fs_franchisestatusname AS [Status Code],

[Code] ....

I need to pivot this so I can get one row per franchiseID and multiple columns for [Franchisee Name Entity] and [Franchise Name Individual]. Each [Franchisee Name Entity] and [Franchise Name Individual] has associated percentage of ownership.

This has to be dynamic, because each FranchiseID can have anywhere from 1 to 12 respective owners and those can be any combination of of Entity and Individual. Please, see the attached example for Franchise Number 129 (that one would have 6 additional columns because there are 3 Individual owners with 1 respective Percentage of ownership).

The question is how do I PIVOT and preserve the percentage of ownership?

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SQL Server 2012 :: Insert Multiple Rows In A Table With A Single Select Statement?

Feb 12, 2014

I have created a trigger that is set off every time a new item has been added to TableA.The trigger then inserts 4 rows into TableB that contains two columns (item, task type).

Each row will have the same item, but with a different task type.ie.

TableA.item, 'Planning'
TableA.item, 'Design'
TableA.item, 'Program'
TableA.item, 'Production'

How can I do this with tSQL using a single select statement?

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SQL Server 2012 :: Insert Rows Based On Number Of Distinct Values In Another Table

May 20, 2014

I have a table with PO#,Days_to_travel, and Days_warehouse fields. I take the distinct Days_in_warehouse values in the table and insert them into a temp table. I want a script that will insert all of the values in the Days_in_warehouse field from the temp table into the Days_in_warehouse_batch row in table 1 by PO# duplicating the PO records until all of the POs have a record per distinct value.

Example:

Temp table: (Contains only one field with all distinct values in table 1)

Days_in_warehouse
20
30
40

Table 1 :

PO# Days_to_travel Days_in_warehouse Days_in_warehouse_batch
1 10 20
2 5 30
3 7 40

Updated Table 1:

PO# Days_to_travel Days_in_warehouse Days_in_warehouse_batch
1 10 20 20
1 10 20 30
1 10 20 40
2 5 30 20
2 5 30 30
2 5 30 40
3 7 40 20
3 7 40 30
3 7 40 40

How can I update Table 1 to see desired results?

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SQL Server 2012 :: Update Table Based On Existing Values In Multiple Rows?

Oct 1, 2015

The objective is to identify orders where an order fee has been applied incorrectly. I have multiple orders per customer, my table contains an orderID and a customerID. Currently if the customer places additional orders before the previous orders have been closed/cancelled, then additional fees are being applied.

Let's say I'm comparing order #1 to order #2. I need to identify these rows where the following is true:-

The CustID is the same.

Order #2 has a more recent order date.

Order #2 has a FeeDate Before the CancelledDate of Order #1 (or Order #1 has no cancellation date).

So in the table the orderID:2835692 of CustID: 24643 has a valid order fee. But all the subsequently placed orders have fees which were applied before the first order was cancelled and so I want to update the FeeInvalid column with a 'Y'. The first fee will always be valid.

I think I understand why the code I am trying doesn't achieve the result I want but I can't figure out how to write it correctly. Below is one example of code I've tried and also code to create the table and insert some test data.

update t1
SET FeeInvalid = 'Y'
FROM MockData t1 Join MockData t2 on t1.CustID = t2.CustID
WHERE t1.CustID = t2.CustID
AND t2.OrderDate > t1.OrderDate
AND t2.FeeDate > t1.CancelledDate
CREATE TABLE [dbo].[MockData](
[OrderID] [float] NULL,

[code]....

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Copy Rows To The Same Table And Its Related Data In The Other Table

Nov 23, 2007

Hi All,
I have 2 tables People & PeopleCosts.

PeopleID in People Table is the primarykey and foreign Key in PeopleCosts Table. PeopleID is an autonumber

The major fields in People Table are PeopleID | MajorVersion | SubVersion. I want to create a new copy of data for existing subversion (say from sub version 1 to 2) in the same table. when the new data is copied my PeopleID is getting incremented and how to copy the related data in the other table (PeopleCosts Table) with the new set of PeopleIDs..

Kindly help. thanks in advance.
Myl

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Help On Updating 1.3 Million Rows On The Production Server

May 4, 2000

I need to update about 1.3 million rows in a table of mine.
I am getting the data from one of the columns of the same table and
updating the new column.
I am doing this using a cursor which I have put in a stored procedure.
As this is a production table which users might be accessing.It is a
web based application and I can't slow the system down.
So I am willing to run the stored prcedure during off peak hours.
However, do I need to put this in a transaction?
If I did put it in a transaction what type of isolation level should I
opt for?
Data integrity is very important for me and I don't mind to compromise
on the performance.
I am doing this because one of the columns which has "short description"
entry is has become too small for business purposes and we want to increase it's
length from varchar(100) to varchar(150).
As this is SQL 6.5, I can't increase the lenght of the column.
So Iadded a new column and will run the stored proc.
What precautions are to be taken?
This is on a high priority basis and very important too.

Thanks in advance...

Stored procedure code:

USE DB_Registration_Dev
GO
IF EXISTS (SELECT NAME FROM SYSOBJECTS WHERE NAME='usp_update_product' AND TYPE='P')
DROP PROCEDURE usp_update_product
GO
CREATE PROC usp_update_product
AS
DECLARE @short_desc varchar(100)
DECLARE @prod_id int

DECLARE sdesc_curs CURSOR
FOR
SELECT [Product].[product_id] , [Product].[short_description]
FROM Product

OPEN sdesc_curs

FETCH NEXT FROM sdesc_curs
INTO @prod_id, @short_desc

WHILE @@FETCH_STATUS = 0
BEGIN
UPDATE Product
SET [Product].[sdesc] = @short_desc
WHERE Product_id=@prod_id
FETCH NEXT FROM sdesc_curs
INTO @prod_id, @short_desc
IF @@FETCH_STATUS <> 0
PRINT ' Finished Updating the table...go ahead and have fun ...! '
END
DEALLOCATE sdesc_curs
GO

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Copy Rows To The Same Table

Jul 12, 2000

Hi to all.
I have a starnge question but i need to work out the situation that I'll describe here:
i need to replicate one row in my table to the same table but with small changes in some fileds. I mean - copy the row and to insert it again to the same table, that I copy it from, with changes in fields values.
Do you know any way i can to this - temporary table/ store procedure and so on... BUT in one shot - one action for the select and insert and update operations.

Thanks
Sharon.

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SQL Server 2012 :: Updating 25 Million Records In Batches

Nov 10, 2014

I have 2 tables with this schema

CREATE TABLE tableValues(
[LASTENCRYPTIONDT] [datetime] NULL,
[ENCRYPTIONID] [int] NULL,
[NAME] [varchar](50) NULL

[Code] ....

I want to update tableToUpdate in batches of 5000 per batch and set the lastenecryptionDT to null based on the the join to the tableValues using the column ENCRYPTIONID, and also output updated rows into another table. Incase I would need to do a rollback.

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SQL Server 2012 :: Compare Two Table Data And Insert Changed Field To Third Table

Aug 12, 2014

I want Compare two Table data and insert changed field to the third table ...

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SQL Server 2012 :: Stored Procedures Compiles Even When There Is No CREATE TABLE For A Temp Table

Feb 11, 2015

i am inserting something into the temp table even without creating it before. But this does not give any compilation error. Only when I want to execute the stored procedure I get the error message that there is an invalid temp table. Should this not result in a compilation error rather during the execution time.?

--create the procedure and insert into the temp table without creating it.
--no compilation error.
CREATE PROC testTemp
AS
BEGIN
INSERT INTO #tmp(dt)
SELECT GETDATE()
END

only on calling the proc does this give an execution error

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SQL Server 2012 :: Data Transfer From Staging Table Into Main Table

Jan 14, 2014

What is the best way to transfer data from the staging table into the main table.

Example:
Staging Table Name: TableA_satge (# of rows - millions)
Main Table Name: TableA_main (# of rows - billions)

Note: Staging table may have some data same as the main table.

Currently I am doing:
- Load data into staging table (TableA_stage)
- Remove any duplication of rows from the staging table (TableA_stage)
- Disable all indexes on main table (TableA_main)
- Insert into main table (TableA_main) from staging table (TableA_stage)
- Remove any duplication of rows from the main table using CTE (TableA_main)
- Rebuild indexes on main_table (TableA_main)

The problem with the above method is that, it takes a lot of time and log file size grows very big.

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SQL Server 2012 :: Join To Find All Records From One Table That Do Not Exist In Other Table

Apr 29, 2014

I have table 'stores' that has 3 columns (storeid, article, doc), I have a second table 'allstores' that has 3 columns(storeid(always 'ALL'), article, doc). The stores table's storeid column will have a stores id, then will have multiple articles, and docs. The 'allstores' table will have 'all' in the store for every article and doc combination. This table is like the master lookup table for all possible article and doc combinations. The 'stores' table will have the actual article and doc per storeid.

What I am wanting to pull is all article, doc combinations that exist in the 'allstores' table, but do not exist in the 'stores' table, per storeid. So if the article/doc combination exists in the 'allstores' table and in the 'stores' table for storeid of 50 does not use that combination, but store 51 does, I want the output of storeid 50, and what combination does not exist for that storeid. I will try this example:

'allstores' 'Stores'
storeid doc article storeid doc article
ALL 0010 001 101 0010 001
ALL 0010 002 101 0010 002
ALL 0011 001 102 0011 002
ALL 0011 002

So I want the query to pull the one from 'allstores' that does not exist in 'stores' which in this case would the 3rd record "ALL 0011 001".

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