Database Space Size Increased On Deleting Records
Feb 20, 2008
Hi,
I was running out of space and thus deleted some rows from a table. To my surprise the db size increased. I then shrunk it to bring it back to what it was earlier.
When i deleted some 5000 rows, some space must have been released. Where did the space go and why did the db size increase after deleting the records?
I thght it might be log files..but db is set to Simple Recovery which does not utilize a Log File.
Any reasons?
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May 28, 2008
Database size increased from 600GB to 1000 GB in 4 hours. There was no process running. I am not able to understand why would database size increase in 4 hours.
Does anyone know how should I trouble shoot this?
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Oct 13, 2004
Hi,
In my data archiving process , I would end up deleting hunders records from the production databases but would that help me save some DISK space immediately??? Should I run some DBCC command to get some disk space ?
if SO ..!! What should I do after deleting the records..????
Thanks
Cheriyan.
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Aug 5, 2015
I have many large tables with millions of records in a SQL Server database. They all use an Identity column which is the clustered index. We haven't been deleting any records until recently because disk space is now becoming a problem.
Assuming I delete a lot of old records, I'm thinking that the freed up space in the data pages won't be reused. New records will be added at the end of the table because of the Identity column being the clustered index. So the table will keep getting bigger even though there is lots of free space.
Assuming I'm right, then how do I recapture this unused space? Is an alter table rebuild the best way? Or rebuilding the clustered index?
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May 24, 2007
No transaction log involved, only the table itself.
Use sp_spaceused "table_name" to check the space used.
It seems the table size actually increased from the beginning to the middle of deletion, at the end of deletion, its size decreased.
Recovery mode set to be simple, autoshrink turned on.
The tables tested are about 50MB ~ several GB in size, all have the same behavior. The size increased about 5%~10%.
Since the deletion is called from another software, I want to know if it is possible for SQL Server to have this behavior or it is absolutely the 3rd party software's issue
Thanks!
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Sep 19, 2006
We can know easily a database disk size, but can we konw a table in SQL 2005 database possess size? and more, how can I know the records in SQL 2005 Table possess size space?
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Jul 20, 2005
Hello....Can someone help me please?I had a mdf file with 48 Mb...and suddenly, the size of it increasedto 690 Mb (without any action or movement of data)...Why could it be done?....is there any solution for thar?Thank you.Tony
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Jun 3, 2008
How to decrease msdbdat.mdf size? This is a bit urgent and it would be great if anyone can reply on this.
Gaurav Arora
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Apr 14, 2015
Here are my scenarios:
We have an application with replicated environment setup on sql server 2012 . Users will have a replica on their machines and they will replicate to the master database. It has 3 subscriptions subscribed to the publications on the master db.
1) We set up a replica(which uses sql server 2012) on a machine with no sql server on it. After the initial synchronization(used replmerge tool) the mdf file has grown to 33gigs and ldf has grown to 41 gigs. I went to sql server management studion . Right click and checked the properties of the local database. over all size is around 84 gb with little empty free space available.
2) We set up a replica(which uses sql server 2012) on a machine with sql server 2008 on it. After the initial synchronization(used replmerge tool) the mdf file has grown to 49 gigs and ldf has grown to 41 gigs. I went to sql server management studio , Right click and checked the properties of the local database. over all size is around 90 gb with 16 gb free space available.
3) We set up a replica(which uses sql server 2012) on a machine with sql server 2012 on it. We have dropped the local database and recreated the local db and did the initial synchronization using replmerge tool. The mdf file has grown to 49 gigs and ldf has grown to 41 gigs. I went to sql server management studio , Right click and checked the properties of the local database. over all size is around 90 gb with 16 gb free space available.
Why it is allocating the space differently? This is effecting our initial replica set up times.
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May 25, 2004
Does any one know what could be making the size of a backup get so big in SQL server?
I noticed if you back-up the same database in Enterprise Manager over and over (without making any changes to the database), the size of the backup gets bigger and bigger. To get around this I simply erase the backup and create a new one.
Now I'm experiencing the same kind of problem, different situation. I decided to make very few changes to my database. If anything, I shrunk the size of the tables and stored procedures.... Now all of a sudden my database backup is 7 times larger.
What could be increasing the size so much, if I haven't increased the amount of tables or stored procedures?
What is the log file about? Mine is huge? Is there a way to reset it or clear it?
any help would be great.
Thank you,
Alec
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Aug 24, 2015
I'm trying to delete some records from some tables in a SQL Server 2008 R2 database. There's a foreign key relationship between the two tables. To make things easier here's the definition of both tables:
-- Parent table
CREATE TABLE [dbo].[PharmInvInItemPackages](
[InventoryInDetailID] [int] IDENTITY(1,1) NOT NULL,
[InventoryInID] [int] NOT NULL,
[ItemPackageID] [int] NOT NULL,
[code]....
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Aug 26, 2015
I executed the below query and getting the capacity values only for master database.All other DB shows NULL values for spaceused. I'm actually looking for a query to get all the capacity information other than using temp table and the procedures. Is there any way using SQL query ONLY.
select
db.[dbid] as 'DB ID',
db.[name] as 'Database Name',
af.[name] as 'Logical Name',
convert(decimal(12,2),round(size/128.000,2)) as FileSizeMB,
convert(decimal(12,2),round(fileproperty(db.name,'SpaceUsed')/128.000,2)) as SpaceUsedMB
from sys.sysdatabases db
inner join sys.sysaltfiles af
on db.dbid = af.dbid
Below is the output
DB ID Database Name
Logical Name FileSizeMB
SpaceUsedMB
1 master
master 4.00
3.44
1 master
mastlog 2.00
[Code] ....
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Oct 16, 2006
I execute the following SQL, and return 3 records, I want to know how many disk space the 3 records use, how can I do? thanks! select * from myTable where username='Paul'
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Mar 18, 2014
I have a situation where deleting old records is blocking updating latest records on highly transactional table and getting timeout errors from application.
In details, I have one table called Tran_table1 in OLTP database. This Tran_table1 is highly transactional table, it will receive data for insert/update continuously
While archiving 2 years old records from Tran_table1 into Tran_table1_archive in batches(using DELETE OUTPUT INTO clause), if there is any UPDATEs on Tran_table1,these updates are getting blocked and result is timeout errors in application.
Is there any SQL Server hints to avoid blocking ..
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Feb 11, 2015
I have a table 300+GB. it holds 10 years of Data. I need to delete 5 years of data and put it to another server so I can have more space.
If I delete 5 years of data, Transaction log gets so huge and size of the database even gets bigger because of the .ldf file which even gets bigger! I think I can shrink the log file and the data file. Is this the best way to do it?
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Jun 6, 2004
Hi
I installed " Web Wiz Forum ASP SQL 2000 DB "
it work fine but
when i added some data in the forum for example my db size is 1.45 MB
after i delete those data the db size will not decrease
is there any code that i must enter on the sql server setup file
Excuse me i asked this question in the web wix forum site but they don`t
answer me
if know what i must to do plz tell me
Thanks
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Jul 20, 2006
We are using SQL Server 2000 Standard ed, sp4 on Server 2000 Advanced.We have one table that is three times as large as the rest of the database.Most of the data is static after approximately 3-6 months, but we arerequired to keep it for 8 years. I would like to archive this table (A), butthere are complications.1. the only way to access the data is through the application (they areimages produced by the application-built on Power-Builder)2. there are multiple tables refrencing this table and vise-versa3. we restore the entire db to two other servers for testing and trainingregularly4. there might be more complications that have not been thought ofCurrently, our only plan is to setup a seperate server with a copy of this dbon it and the application. Leave only the tables necessary to access the data,and if this 'archive' works, remove from production the data from the table Aand all references to the table A from rows on the other tables.I mentioned #3 because someone mentioned a third party tool that may be ableto pull the data from the table, archive it elsewhere, and at the same time,place a 'pointer' in the table to the new storage location. The tool theymentioned only works on Oracle and we have not explored beyond that yet.I am ready to explore ideas and suggestions; I am still new to the DBA world,I am out of ideas.Thank you!--Message posted via SQLMonster.comhttp://www.sqlmonster.com/Uwe/Forum...eneral/200607/1
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Dec 7, 2005
We are planning hardware purchases (more is better). One of our databases is 131 gigs in size and has 45 gigs of 'space available'. I'm not a very experienced SQL Server person, but this seems like quite a bit of 'space available'
1) Is there a way to regulate the amount of 'space available'?
2) are there any rules of thumb for how 'space available' there should be?
Appreciate any feedback or help.
Ray
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May 7, 2008
Hi,
I have encountered a query which takes lots of temp tablespace and it fails later.
Initially the temp tablespace was 28GB, we made it to 56 GB but still it fails.
There is just this single process that is running on database.
I tried putting index on the table in query ,but no help.
Can suggest a solution to get size of temp space required or reduce its usage?
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Jul 8, 2002
I'm trying to determine how much space some tables use (SQL2000), and I found 2 suggestions posted earlier, but can't get them to work for me.
The first was
"Right click on the DB in Enterprise Manager, select view then taskpad."
When I try that, I get some of the tables displayed with the info I want, but I can't see them all and can't scroll down beyond the first 22 tables in the database.
The second suggestion:
exec sp_msforeachtable @command1="print '?'",@command2="sp_spaceused '?'"
It says "command copleted successfully, but where does the output to this go ?? Is there something other than "print" I should use ?
The grid pane is empty.
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Feb 15, 2007
Hi
I am using DTS to transfer tables from Oracle 9i to SQL Server 2000 sitting in a shared environment and managed to migrate
a lot of tables without glitch..
When I was migration a table <XYZ> from Oracle to SQL Server..The table was created in the SQL Server whilst the DTS threw an error that read when it was copying data and 0 rows were copied with the error message being
"Cannot create a row of size 8387 which is greater than the allowed maximum of 8060"
Incidentally the have a table in the Oracle DB that has 152 Rows of Data with 94 Columns..
Does any change needs do be done on the Admin side of the SQL Server to resolve this problem and faciliate effective transfer of data from the DB's?
Thanks in Advance
KI
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Feb 15, 2007
Hi
I am using DTS to transfer tables from Oracle 9i to SQL Server 2000 sitting in a shared environment and managed to migrate
a lot of tables without glitch..
When I was migration a table <XYZ> from Oracle to SQL Server..The table was created in the SQL Server whilst the DTS threw an error that read when it was copying data and 0 rows were copied with the error message being
"Cannot create a row of size 8387 which is greater than the allowed maximum of 8060"
Incidentally the have a table in the Oracle DB that has 152 Rows of Data with 94 Columns..
Does any change needs do be done on the Admin side of the SQL Server to resolve this problem and faciliate effective transfer of data from the DB's?
Sorry Had I started this topic in the wrong forum.
Thanks in Advance
KI
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Jul 12, 2004
I must admit I dont know all that much about SQL, which is why I hope someone can show me the light. I have a script almost finished, however I have no idea how to have it trim database entries that are older than, say, 90 days. Any ideas?
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Feb 25, 2005
I have a table with a load of orphaned records (I know... poor design)
I'm trying to get rid of them, but I'm having a brain cramp.
I need to delete all the records from the table "Floor_Stock" that
would be returned by this select statement:
SELECT FLOOR_STOCK.PRODUCT, FLOOR_STOCK.SITE
FROM PRODUCT_MASTER INNER JOIN
FLOOR_STOCK ON PRODUCT_MASTER.PRODUCT =
FLOOR_STOCK.PRODUCT LEFT OUTER JOIN
BOD_HEADER ON FLOOR_STOCK.PRODUCT =
BOD_HEADER.PRODUCT AND FLOOR_STOCK.SITE =
BOD_HEADER.SITE
WHERE (BOD_HEADER.BOD_INDEX IS NULL) AND
(PRODUCT_MASTER.PROD_TYPE IN ('f', 'n', 'k', 'b', 'l', 's'))
I was thinking along the lines of:
DELETE FROM FLOOR_STOCK INNER JOIN
(SELECT FLOOR_STOCK. PRODUCT, FLOOR_STOCK.SITE
FROM PRODUCT_MASTER INNER JOIN
FLOOR_STOCK ON PRODUCT_MASTER. PRODUCT =
FLOOR_STOCK.PRODUCT
LEFT OUTER JOIN BOD_HEADER ON FLOOR_STOCK. PRODUCT =
BOD_HEADER. PRODUCT AND FLOOR_STOCK.SITE = BOD_HEADER.SITE
WHERE (BOD_HEADER.BOD_INDEX IS NULL) AND
(PRODUCT_MASTER.PROD_TYPE IN ('f', 'n', 'k', 'b', 'l', 's'))) F ON
FLOOR_STOCK. PRODUCT = F. PRODUCT
AND FLOOR_STOCK.SITE = F.SITE
... but Sql Server just laughs at me: "Incorrect Syntax near the keyword INNER"
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Mar 3, 2004
How do I delete one record from one table and cascade down all related tables?
Mike B
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Aug 14, 2006
Hey all,
Here is the scenario. I'm working with two tables:
Contact1
Conthist
Contact1 contains basic contact information and conthist contains history records for those contacts. Conthist can hold many records related to a single contact1 record.
The link between the two tables is a column called accountno.
I'm trying to delete any records in conthist that have an accountno that does not exist in contact1. The queries that I've tried keep returning conthist records that do actually have a matching accountno.
Any help would be appreciated.
Thanks,
Tony
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Apr 12, 2007
Whenever I try to delete records from a table joined to another table, like so:
DELETE [tblTransaction Detail Local] FROM [tblTransaction Detail Local], [tblTransaction Header] WHERE ([tblTransaction Detail Local].[Transaction ID] = [tblTransaction Header].[Transaction ID]) AND ([tblTransaction Header].[Computer ID] = 3)
I get the error:
Major Error 0x80040E14, Minor Error 25501
> DELETE [tblTransaction Detail Local] FROM [tblTransaction Detail Local], [tblTransaction Header] WHERE ([tblTransaction Detail Local].[Transaction ID] = [tblTransaction Header].[Transaction ID]) AND ([tblTransaction Header].[Computer ID] = 3)
There was an error parsing the query. [ Token line number = 1,Token line offset = 38,Token in error = FROM ]
This is an SQL CE database, and SQL Server Management Studio. Any ideas?
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May 18, 2006
I have a couple SQL tables that have been appended to daily over the last two years. There is now about 50,000,000 records in the table. Does anyone know the fastest way to delete records before a certain date to shorten these tables? Delete queries and everything else I've tried is taking way too long.
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Sep 21, 2015
I have deleted nearly 30 million rows from a table. But however when I used the sp_spaceused command to calculate the data occupied by the table I don't see any difference in the data size of the table. In fact the data has increased to few MBs after the deletion, but not much.
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Oct 16, 2015
In another forum post, a poster was deleting large numbers of rows from a table in batches of 50,000.
In the bad old days ('80s - '90s), I used to have to delete rows in batches of 500, then 1000, then 5000, due to the size of the transaction rollback segments (yes - Oracle).
I always found that increasing the number of deleted rows in a single statement/transaction improved overall process speed - up to some magic point, at which some overhead in the system began slowing the deletes down, so that deleting a single batch of 10,000 rows took more than twice as much time as deleting two batches of 5,000 rows each.
good rule-of-thumb numbers (or even better, some actual statistics and/or explanations) as to how many records should be deleted in a single transaction/statement for optimum speed? 50,000 - 100,000 - 1,000,000 or unlimited? Are there significant differences between 2008, 2012, 2014?
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Jun 2, 2004
How to find rowcount and size(space used) for all tables in a db? Can any one give me the script please?
Thanks,
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May 21, 2004
Apparently, deleting 7,000,000 records from a table of about 20,000,000 is not advisable. We were able to take orders at 8:00AM, but not at 7:59.
So, what's the best way of going about deleting a large number of records? Pretty basic lookup table, no relationships with other tables, 12 or so address-type fields, 4 or 5 simple indexes. I can take it down for a weekend or night, if needed.
DTS the ones to keep to another table, drop the old and rename the new table?
Bulk copy out, truncate and bring back in?
DTS to text, truncate and import back?
Other ways?
Never worked with such a large table and need a little experienced guidance.
Thanks for the help
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Jan 5, 2002
My Web Host does not provide administrative privilages to the SQL server I have access to. I would like to delete tens of thousands of records from two of my tables without writing to the Transaction Log. Is what I'm trying to do is delete these records quickly without utilizing any of the alotted space my web host has set aside for my transaction log (they give me 50 mb and I go way over that when I run a DELETE statement)
What is the best way to do this?
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