Log File Sizes For All Databases
Jul 21, 2006
Hi All,
I ran the following query to get the log file sizes for all databases:
select (size*8.00)/1024,filename from master..sysaltfiles
When I compared the results from this query with the transaction log properties in EM, not all of the sizes match.
For example, EM shows the transaction log size for tempdb to be 2 MB but the results of the query shows that transaction log size for tempdb is .5 MB. Which query can I run to get the numbers that would match between two? Thanks.
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Mar 6, 2000
Hi,
Is there a query I can run to retrieve a list of all tables and their sizes in a database? I want something that is like the feature in Enterprise Manager when you click on a database and then the 'Tables & Index' link. It lists the tables and their respective size. I want to push this into a spread sheet.
The reason why I am doing this is the compare data between 2 different databases. Since I cannot find a tool that will compare the data, the closest I can get (without bcp-ing out all data and comparing) is to look at the sizes of each table.
Thanks!
Joyce
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Apr 28, 2008
When you have the autogrowth turned on for log files. What happens when you put a max file size on it? Will just overwrite the old logs to keep the file at the max size or will it just create a new file every time it hits the max size?
Thanks!
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Nov 8, 2000
Hi,
my log files are growing like anything. One of my log file size is 20GB.
How i have to reduce the log file size.
If i run DBCC command is it come backs...
Pls tell me the way how i have to find the free space and reduce logsizes.
After taking backups also my log file sizes are not reducing.
Thanks!
Kavira
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Oct 1, 2007
Admin is kind of new to me. Could someone recommend how to reduce these file sizes?
In Dev, my MDF is 16 MB, LDF .5 MB.
I run a script to recreate the schema and insert rows on the Host.
When downloading a db backup from the Host and restoring it to Dev, my MDF is 24 MB, LDF 25 MB.
The same dataset grew by ~35 MB!!!
Any advice is welcome. Thank you. Rick
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Jul 30, 2014
I am in the middle of capturing a workload to try and tune a SQL instance and was wondering what kinds of sizes people capture in terms of traces. I am only 1 day into a capture and I believe a typical workload would be a week long capture and I am already at 10GB of files. I am only capturing rpc_completed and sql_batch_completed.
What sizes of workloads do other people capture and then where do you analyse them, do you have particular dedicated server for this kind of thing as at present I am looking to use my local PC. Also what rollover file sizes do people tend to use, I am currently using 1GB.
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Feb 26, 2015
I have one .mdf and two .ndf files on the same drive. The .mdf file size =275GB, one .ndf file size = 300GB and other .ndf file size = 135GB. Is this normal to have 3 different file size? if not what can I do to fix this? I don't have option to make all files to initial size equal to 300GB as a .ndf.If I have to add a .ndf file (in case of running out the above drive), what initial file size should I set up for new file on new drive? And how data gets distributed across all 4 files (including new .ndf on different drive)?
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Jul 20, 2005
Is there a fairly quick and dirty way to shrink the file size allowedfor a DB on SQL server after the DB is in use?Our old DBA allowed 3 gb for log files and we don't need nearly thatmuch. However, the space is still being used and reserved. Can Ishrink that "maximum" and clear up the space?I don't want to just copy all the tables and primary keys and open anew one with the new data, though that is plan A right now.I cant just change sysfiles, it yells at me.
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Apr 4, 2007
I'm using SQL Server 2000 and need to restore a large database onto a different node. The problem is the original database has a 74 gb first datafile and the node where I need to restore it doesn't have a single drive that big. I'm trying to use a backup of the original database and restore it into an existing database on another node and am using the move options to put the files in the right places.
Is there a way I run the restore to split the 74 gb datafile across drives on my target node?
Thanks for any help.
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Mar 18, 2015
I have an instance with 4 datafiles for tempdb each set at initial size of 4G and growth rate of 100MB. After some time the initial file sizes seem to have changed automatically. They now read 3962,100,3688 and 2847 respectively. Is this something done by SQL Server itself? I cannot imagine that it was done manually.
I don't think there was a restart after the initial sizes of 4G were set, could this be related to the problem?
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Jun 29, 2015
I have question about tempdb needs to be configured 100GB 64kb block size.its fresh installation.
how to allocate the file sizes.still im not sure how many log files needs to be created with 100GB equals to 64KB block size.
what is 64KB block size and how to divide the logfiles 64KB into the 100gb or 50GB?
what is 64 KB cluster has 128 sectors?
tempdb drives should be formatted with a 64K allocation? how many files needs to created for good performance with 50GB or 100GB? ot 1TB
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Apr 23, 2001
how do you create a database from an .mdf file?
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Apr 24, 2000
Hi
Every one
One thing i found out that my 2 databases in server A
Has same logical file name .
I have try to change the name but it is not allowing me to change.
I had refer BOL it says that we should have unique logical file name in a server for each database.
Question i have is does it going harm me i don't know this
if any one u know please suggest me.
Problem I already started getting is I do backup 5 small databases of 10 to 20 mb in one tape only. The 2 database which has same logical file name out
of which one is getting copied & another is not ,All other database it backup
perfecly.
But at the same time in a hard disk if i take backup of this database in a same device it works perfecly so i don't understand where the problem is
If any has any idea please suggest me
Thanks
Nirmal.
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Aug 29, 2006
Hi There
As part of monitoring i want to hourly check the data file percentage used for each database, to monitor growth and know in advance when a data file will be full.
However i do not want to write a job for ever single database , this instance may have up to 100 databases that = 100 jobs.
So i want to write a job that checks the percentage space used for all databases.
My first dilema is that i cannot loop through databases dynamically, by that i mean if i use a cursor that loops through database names, and i dynamically build sql the say 'USE @DBNAME' and execute it the cursor context stays local you do not actually change database context.
So how do i loop though databases, i have found
sp_msforeachdb, however this is undocumented in BOL.
Secondly how do i check the percentage of space used for the data file or files for a database, i could use DBCC SHOWFILESTATS, however this is also not documented in BOL.
Obviously i would rather use documented methods.
So bottom line what tsql could i use to check the percentage of file space use for all databases?
Thanx
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Jul 20, 2005
We have two db's. One live and one test.When I right click on the live one in SQL Enterprise Manager andselect properties -> Data Files ->File Name is LIVE.MDFLocation is F:DataLIVE.MDFWhen I right click on the test one in SQL Enterprise Manager andselect properties -> Data Files ->File Name is LIVE.MDFLocation is F:DataTEST.MDFSame thing applies to Transaction log files too.My concern is File Name is same in both the above cases even thoughthe location is different. What are the consequences of this.Thanks for your helpGVV
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May 27, 2009
I would like to SELECT all filegroup on an SQL server instance, is that possible?Or only per database?
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Jul 23, 2004
Anyone here with a ready to go sqlscript that lists all db's, files, sizes, owner etc? I guess it's a combination of sp_databases, sp_helpdb and sp_helpdb [db].
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Sep 18, 2007
hi,
i'm planning to create a DB of about 1TB of text.
can SQL EXPRESS handle this sizes of data? what about SQL 2005?
does it matter if i put all the data in 1 table?
Thanks.
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Mar 27, 2015
I am monitoring the data file growth of the databases in a table. Every week I review to see how much space is left on each database. I am thinking of writing a query where the current free space left is less than 20% of the file size, it sends out an alert to me, so that I can manually resize the file . Is it a good practice to resize the data file manually? If so I believe this need to be done at the time when the server is least busy since it can slow down the database. Also do I need to re-index the tables once the data file is resized?
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Mar 23, 2000
Hello,
I was told a while ago that your Log should be 2 times the size as your data. Is this a good rule of thumb?
Lee
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Jul 29, 2002
Does anyone know of a quick way to find out what the largest indexes on a database are? I have a number of tables and was wondering if there's a stored proc or query that I can execute that will list the indexes and their size in order by size? Thanks
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Jul 30, 2002
Does anyone know of a quick way to find out what the largest indexes on a database are? I have a number of tables and was wondering if there's a stored proc or query that I can execute that will list the indexes and their size in order by size? Thanks
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Jan 18, 2006
Hi there
I hope this isn't a totally stupid question, but I was wondering how to check the physical size the DBs take up on disks...
Does MSSQL save DBs as a specific file-extension? Is there an SQL command I can run that will give extensive info on DB sizes?
Any help welcome :)
Thanks!
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Feb 20, 2008
I'm putting together a manual system that tracks data growth in a certain database. I was going to use sp_spaceused as a part of it, but then realized the datatypes for size are CHAR, not INT or BIGINT. I was going to do counts, averages, etc. on those columns but that wouldn't work against a CHAR field obviously. I could easily write a little something to strip out the KB, but was hoping there was another way to get those figures.
Secondly...has anynoe seen a stored procedure/code/etc. that just calculates the largest/smallest/average row size for a table? I haven't been able to find anything anywhere...
Any insight would be greatly appreciated...
Thanks!
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Apr 3, 2011
Is there a query or sp that I can pull all databases on the server along with their logical file names and physical file names?
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Jun 19, 2004
Hello again everyone....
I have another question for everyone....
I am currently cleaning up my database to get its total size down and am not sure how nvarchar and varchar work exactly.
When defining the length of a varchar or nvarchar in enterprise manager, will that effect the size of the entry (as far as data size) no matter what the length of the entry? In other words, will there be a difference in Data Size for an entry with the length of 4 characters with a definition of varchar(4) versus an entry with the length of 4 characters with a definition of varchar(50).
****If there is no difference, is there any reason in trying to best guess the size to give nvarchar or varchar columns? It would seem easier to just define the lengths of columns which need variable lengths to 200 or 400 just to save time in not trying to best guess what the size might be...*****
Thanks ahead for any help...
-Alec
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May 17, 2002
Hi,
I am looking to runa query to get the sizes of the tables in my SQL 7 DB.
I know I can access the info in Enterprise Manager, under "Tables & Indexes".
But I need to get this info via a query.
I need rows and size.
I figured out how to get rows through the sys tables:
select sysobjects.name, sysindexes.rows
from sysobjects,sysindexes
where sysobjects.name = sysindexes.name
and xtype = 'U'
Is the size of each table stored in a sys table as well? I can't find it.
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Apr 17, 2001
Hey all,
Got a little problem. have 2 matching tables on different servers with the EXACT same column layout and data (the tables are being replicated with MSSQL7) and one table is 200MB while the other is 2000MB. I'm running MSSQL7 SP2. Any ideas???
-Marc
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Dec 16, 1999
I have inherited a number of databases which were substantially over sized when they were set up. I'd like to reduce both the log and database files to be smaller than their original sizes, what's the easiest way to do this? If anyone has any experience of doing this please reply.
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Aug 5, 2003
We are looking at installing a new Oracle server for a client but have been told that they have used Oracle in the past but had a lot of problems with slow response even though the bandwidth on the WAN was barely being used. He says that this was due to the fact that Oracle sends out very small packets across the network meaning that there are hundreds of packets being sent out. This caused a problem on the routers being used as it was killing the processors. Is this still the case and have you had other reports of slow response of this nature?
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Mar 30, 1999
Ok, I have a new one. Several of my devices are showing with negative sizes when viewed in edit in enterprise manager. I cannot edit them as the change now button is grayed-out. Oddly enough they are all located on the same drive. The master (on C drive), and the tempdb (on D drive) both show as the default device. I am very confused. User access to the information is fine. What gives?
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Jan 22, 2004
Wonder if anyone can help me out here.
I'm trying to set up a job to run overnight that mails me the size of all the databases on SQL Server.
The way I'm getting the size of the db's is by running the following in SQL Query Analyzer...
EXEC sp_MSforeachdb @command1="print '?' select cast(name as varchar(32)), round(size * 8 / 1.024,3) from ?..sysfiles"
Can anyone suggest a way that I can export the results of this to a text file that can then be mailed to me as part of a scheduled job.
Or can anyone suggest a better/easier way of doing this??
Thanks in advance. :)
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Jul 23, 2005
Can any one direct me to sources for best practices of field types and sizesto use for commonly used information such as address, names, city, businessnames ....Thanks, Brian
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