Query Regarding Splitting MDF Files
Jun 24, 2008
I had a query regarding splitting MDF files. As one of our databases has an mdf sized 75GB, I was planning to split it into 2 or 3 files and put them across different RAID disks. But I could not find a thorough source for information as to how to go about splitting an existing MDF file into smaller files. Can anybody help?
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May 21, 2015
So we have new servers that are going to be installed with SQL 2012 and I'm debating the wisdom of splitting tempdb with multiple files.
I know it's a myth that performance automatically improves if you split it into a number of files based on processors, but I'm debating the wisdom of putting a file on each of my data / log file drives.
For instance, I have a server with a C: drive (OS), D: drive (Data for system DBs and install of programs - 458 GB), an F: drive for user DB data files (767 GB), and a J: drive for log files (255 GB).
Obviously no files are going on C:. I'm debating on whether or not we should even leave system DBs on the D: drive given in our current 2k8 servers, we end up with Memory.dmp files over flowing the D: drives as well as .cabs and other install / update files that tend to collect on that drive over the years.
But if we leave the system DBs on D:, I'm wondering if adding a second tempdb file to F: and a third to J: will improve query performance or not.
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Feb 28, 2011
I have a table like this:
name | purchase amount | purchase date |
Joe--------20.00--------------12/1/06
Joe--------10.00--------------12/1/06
John-------10.00--------------1/15/06
Sam--------15.00--------------5/10/06
John-------20.00--------------11/1/06
Joe--------5.00---------------8/19/07
Sam--------5.00---------------10/8/07
Sam--------10.00--------------4/22/08
Sam--------15.00--------------4/22/08
and what I need is a query that will show name and the sum of purchase amount for specific years. Here is what it would look like:
name | purchase 2006 | purchase 2007 | purchase 2008
Joe 30.00 5.00 0
John 30.00 0 0
Sam 15.00 5.00 25.00
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Jun 27, 2014
I am trying to run a UNION ALL query in SQL SERVER 2014 on multiple large CSV files - the result of which i want to get into a table in SQL Server. below is the query which works in MSAccess but not on SQL Server 2014:
SELECT * INTO tbl_ALLCOMBINED FROM OPENROWSET
(
'Microsoft.JET.OLEDB.4.0' , 'Text;Database=D:DownloadsCSV;HDR=YES',
'SELECT t.*, (substring(t.[week],3,4))*1 as iYEAR,
''SPAIN'' as [sCOUNTRY], ''EURO'' as [sCHAR],
[Code] ....
What i need is:
1] to create the resultant tbl_ALLCOMBINED table
2] transform this table using PIVOT command with following transformation as shown below:
PAGEFIELD: set on Level = 'Item'
COLUMNFIELD: Sale_Week (showing 1 to 52 numbers for columns)
ROWFIELD: sCOUNTRY, sCHAR, CATEGORY, MANUFACTURER, BRAND, DESCRIPTION, EAN (in this order)
DATAFIELD: 'Sale Value with Innovation'
3] Can the transformed form show columnfields >255 columns i.e. if i want to show all KPI values in datafield?
P.S: the CSV's contain the same number of columns and datatype but the columns are >100, so i dont think it will be feasible to use a stored proc to create a table specifying that number of columns.
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Mar 18, 2006
i want to use sql query for csv file is it possible?can u give me link to any article on this
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Jul 23, 2005
Hey all,My intention was this: Find the stored procedure that will give you:· database name· database file location· log file location· backup file locationWith a little digging around it seems that this is not as simple a taskas I originally thought.The obvious problems start to rear up when you look at sp_helpdb'dbname' as although I only have one database file and log file perdatabase, this is by no means the limitation of sql server.Then it gets a little stickier with the maintenance plans, I've noprior experience querying the info from them and nosing around thebooks online has left me a little more confused than I started on thisone.So my question is this: any advice? Should I can this project andcollect the data by hand? Is there a stored procedure that I havecompletely overlooked that is just the business? Is it in fact a loteasier than I thought and I need only...?Comments appreciated.Thank you,Don
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Aug 13, 2001
HI
I need to create a script that opens a file that has mulitple open file statement that contains locations of files that have insert querys in.
I think that you can do this in Oracle and Sybases (ISQL) but cannot find how to do it in MS ISQL.
Help appreciated.
Jason
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Jul 16, 2007
Hi. I am using DBF files as sources for some tables in SQL Server. The problem is that the table names in the DBF files are not all the same (e.g. frame061, frame949). I want to know the names of the tables inside the DBF files. Is there a way to query the table names, something like "select table_name from information_schema.tables" in SQL Server? By the way, those DBF files came from FoxPro. Thanks!
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Jan 8, 2008
I have several SQL files that make several different table updates and data changes.
How would I create something (maybe an SSIS package?) or even write a T-SQL script that runs through these files and executes the queries contained in them?
(I put this thread in SQL General also because I wasnt sure if this could be implemented in T-SQL or not.)
Right now what I have is a ForEachLoop Container with an ExecuteSQL task component inside of it. I'm thinking that the contents of each of the sql files would be copied over to a "Temp.sql" file and then executed in the loop. So I've created a Temp.sql file for this purpose and the properties of the ExecuteSQLTask component are setup as so:
(I've created my connection managers appropriately with an OLEDB source and a File Connection pointing to Temp.SQL)
ConnectionType OLEDB
Connection servertest
SQLSourceType File connection
FileConnection Temp.sql
And for my ForEachLoop container, my properties have been set as:
Collection
--> Enumerator Foreach File Enumerator
--- Enumerator Configurations ---
Folder: C:lahblahblah
Files: *.sql
with retrieve file name set as Fully Qualified
Have I set this up properly? (obviously not, because it's not working )
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Apr 25, 2007
I have a sql2005 db. I'm trying to perform a query that takes a list of values in a parm, breaks them up and uses them in an IN clause as follows:
<code>
ALTER PROCEDURE [dbo].[SelectPartialOrderListByDate] @StoreID varchar(255)ASBEGIN SET NOCOUNT ON; SELECT DISTINCT O.OrderID, M.InitialSalesCode, M.DateOccurred, M.ErrorCode FROM dbo.OrderInfo O WITH (NOLOCK) INNER JOIN dbo.Message M WITH (NOLOCK) ON O.OrderID = M.OrderID WHERE O.StoreID IN (@StoreID)END
</code>
The values coming into the procedure are obviously in a varchar string format.
Notice the boldfacing above. The values within this IN clause should be something like this after the conversion: IN (87,108).
How can I accomplish this? I've seen examples of creating a UDF and returning a table, but am not sure how to apply that to my situation via a code sample.
Could someone help me out?
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Oct 28, 2004
aaaaa,bbbb,ccccc,dddd,ffff,gggg,llll,kkkk,nnnnn
How can split the above string to the following individual strings
aaaaa
bbbb
ccccc
dddd
ffff
gggg
llll
kkkk
nnnnn
Thanks
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Jun 22, 2007
Hi Everyone,I've been given the painstaking project of splitting a single column into multiple columns and rows. I have a solution set up in which I will be posting further down the post but I want to see if there is a much more efficient solution to this.sample data:create table tbl_list(pk_int_itmid int(5) Primary Key,vchar_desk vchar(300));create table tbl_test1(fk_int_itmid int(5) references tbl_list(pk_int_itmid),vchar_itm varchar(60));insert into tbl_list values(1, 'this item');insert into tbl_list values(2, 'that item');insert into tbl_list values(3, 'those items');insert into tbl_test1 values(1, 'A, B - C, D, E - F, G, H - I');insert into tbl_test1 values(2, 'J, K - L, M, N - O');insert into tbl_test1 values(3, 'P, Q - R');into this table:create table tbl_output(fk_int_itmid int(5) references tbl_list(pk_int_itmid),vchar_itmA varchar(60),vchar_itmB varchar(60),vchar_itmC varchar(60));Output in comma delimited form:'1', 'A', 'B', 'C''1', 'D', 'E', 'F''1', 'G', 'H', 'I''2', 'J', 'K', 'L''2', 'M', 'N', 'O''3', 'P', 'Q', 'R'my current solution:create view vw_itm_a as select fk_int_itmid, substring(vchar_itm, 0, charindex('-',vchar_itm)) as vchar_itmA,substring(vchar_itm, charindex('-',vchar_itm)+1 , charindex(',',vchar_itm)-charindex('-',vchar_itm)) as vchar_itmB,substring(vchar_itm, charindex(',',vchar_itm)+1) as vchar_itmCfrom tbl_test1where charindex(',',vchar_itm) >1Gocreate view vw_itm_b as select fk_int_itmid, substring(vchar_itm, 0, charindex('-',vchar_itm)) as vchar_itmA,substring(vchar_itm, charindex('-',vchar_itm)+1 , charindex(',',vchar_itm)-charindex('-',vchar_itm)) as vchar_itmB,substring(vchar_itm, charindex(',',vchar_itm)+1) as vchar_itmCfrom vw_itm_awhere charindex(',',vchar_itmC) >1;Gocreate view vw_itm_c as select fk_int_itmid, substring(vchar_itmC, 0, charindex('-',vchar_itmC)) as vchar_itmA,substring(vchar_itmC, charindex('-',vchar_itmC)+1 , charindex(',',vchar_itmC)-charindex('-',vchar_itmC)) as vchar_itmB,substring(vchar_itmC, charindex(',',vchar_itmC)+1) as vchar_itmCfrom vw_itm_bwhere charindex(',',vchar_itmC) >1;Go;create view vw_itm_d asselect fk_int_itmid, vchar_itmA, vchar_itmB,substring(substring(vchar_itm, charindex(',',vchar_itm)+1), 0, charindex(',',vchar_itm)) as vchar_itmCfrom vw_itm_a ia union vw_itm_b ib on ia.fk_int_itmid = ib.fk_int_itmidGo;create view vw_itm_e asselect fk_int_itmid, vchar_itmA, vchar_itmB,substring(substring(vchar_itm, charindex(',',vchar_itm)+1), 0, charindex(',',vchar_itm)) as vchar_itmCfrom vw_itm_c ia union vw_itm_b ib on ia.fk_int_itmid = ib.fk_int_itmidGo;create view vw_itm asselect fk_int_itmid, vchar_itmA, vchar_itmC, vchar_itmC from vw_itm_awhere fk_int_itmid not in (select fk_int_itmid from vw_itm_b)unionselect fk_int_itmid, vchar_itmA, vchar_itmC, vchar_itmC from vw_itm_dunionselect fk_int_itmid, vchar_itmA, vchar_itmC, vchar_itmC from vw_itm_bwhere fk_int_itmid not in (select fk_int_itmid from vw_itm_c)unionselect fk_int_itmid, vchar_itmA, vchar_itmC, vchar_itmC from vw_itm_eunionselect fk_int_itmid, vchar_itmA, vchar_itmC, vchar_itmC from vw_itm_cGo;select fk_int_itmid, vchar_itmA, vchar_itmC, vchar_itmC into tbl_outputfrom vw_itmIs there a much more efficient manner of handling this column splitting?ThanksDC
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May 29, 2008
I need to send an extract to a vendor, and for some reason they want the following:
999.34 - StrikePrice
sent as
999 - StrikeDollar
34 - StrikeFract
Tried using various conversions, but at the moment can't solve.
Thanks.
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Jan 13, 2004
I founded couple thread about splitting but not find same situation what i have.
I have server with Raid10 with big storage massive, and Test server with two 30Gb HardDrives (not into a Raid or Somethink). I have situation when in real server database grown over 30Gb and now i can not restore database copy into a test server because i have one big Data File.
Can i split somehow 35Gb Data file when i restore to test server to 25Gb and 10Gb ???
Or can u recomend some solutions
At the moment cant to do hardware upgrate.
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May 3, 2004
I have a table that contains agrrements and contracts with dates. Now I need to calculate some things and I'd like the rows to only have one month per row.
I have rows like:
Agreement, Start, End
ID001, 2004-01-01, 2004-04-30
If I could get these single rows that contains 4 months into a temptable like this:
Agreement, Start, End
ID001, 2004-01-01, 2004-01-31
ID001, 2004-02-01, 2004-02-29
ID001, 2004-03-01, 2004-03-31
ID001, 2004-04-01, 2004-04-30
It would simplify my calculations very much. How to do this with a query or sp?
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Nov 24, 2006
I everyone, I have been on the admin side of IT for the past 20 years and recently started to do some scripting (VBscript) and a little SQL.
I have developed a solution to meet the needs of some federal auditors, but not really met my needs yet.
What I have done is this.
I use MS Logparser to go out to 64 servers and copy the event logs into a DB on a SQL 2000 Ent. Server.
On the SQL server I have one StoredProcedure that parses out information from the security event log DB and put that info into a temp DB.
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
ALTER PROCEDURE [dbo].[stp_SecurityAuditReport]
AS
TRUNCATE TABLE SecurityEvents_Tmp
-- Parse Bank Number & UserName
INSERT INTO SecurityEvents_Tmp(DepartmentNumber, UserName, EventLog, RecordNumber, TimeGenerated, TimeWritten, EventID, EventType, EventTypeName, EventCategory, EventCategoryName, SourceName, Strings, ComputerName, SID, Message, Data)
SELECT
DepartmentNumber = '001',
UserName = CASE
WHEN Strings LIKE '[0-9][0-9][0-9]%'
THEN SUBSTRING(Strings,1,charindex('|',Strings,1)-1)
WHEN Strings LIKE '-|[0-9][0-9][0-9]%'
THEN SUBSTRING(Strings,3,charindex('|',Strings,3)-3)
WHEN Strings LIKE '-|[a-z]%'
THEN SUBSTRING(Strings,3,charindex('|',Strings,3)-3)
WHEN Strings LIKE 'Account Unlocked. |%'
THEN SUBSTRING(Strings,21,charindex('|',Strings,21)-21)
ELSE SUBSTRING(Strings,1,charindex('|',Strings,1)-1)
END,
Events.*
FROM Events
JOIN EventsToLog on Events.EventID = EventsToLog.EventID
WHERE SID NOT LIKE 'S-%'
-- Update blank usernames
UPDATE SecurityEvents_Tmp SET UserName = 'NO USERNAME'
WHERE UserName = '' OR UserName = '-'
-- Update DepartmentNumbers with zeros
UPDATE SecurityEvents_Tmp SET
DepartmentNumber = CASE
WHEN UserName LIKE '[0-9][0-9][0-9][a-z]%' OR
UserName LIKE '[0-9][0-9][0-9]#%' OR
UserName LIKE '[0-9][0-9][0-9]$%'
THEN SUBSTRING(UserName,1,3)
ELSE '001' END
As you can see, we use 3 didgit numeric prefixes on all Departmental employee accounts. This is later used to produce departmenntal user audit reports.
I then have this script in a DTS that exports the report to an excel spreadsheet. (All works well for this purpose!)
DECLARE @TimeGenerated datetime
SELECT @TimeGenerated = TimeGenerated FROM SecurityEvents_TimeGenerated
DECLARE @TimeGeneratedEnd datetime
SELECT @TimeGeneratedEnd = TimeGeneratedEnd FROM SecurityEvents_TimeGenerated
SELECT DepartmentName = CASE WHEN b.DepartmentName IS NULL
THEN 'All Department' ELSE b.DepartmentName END,
a.EventID,d.EventDescription,a.UserName, a.TimeGenerated,c.Email1,c.Email2,c.Email3,c.Email4
FROM SecurityEvents_Tmp a
LEFT JOIN DepartmentList b on a.DepartmentNumber = b.DepartmentNumber
LEFT JOIN EmailToList c on b.DepartmentNumber = c.DepartmentNumber
JOIN EventsToLog d on a.EventID = d.EventID
WHERE b.Departmentnumber in (select Departmentnumber from Departmentlist)
AND a.TimeGenerated BETWEEN @TimeGenerated AND @TimeGeneratedEnd
ORDER BY b.DepartmentNumber,a.EventID,a.TimeGenerated
This combination of utils and scripts does very good for producing generic security reports for branch officers.
But now I am getting requests to justify/explain what is in these reports. The problem I have is that the information needed to delve further into the event logs is in a field called Strings. This field not only changes in length and the amount of fields within this string, but the information in this field changes depending on the type of event record it came from.
This is the Strings field from a failed logon (529)
200jenil|DOMAIN|10|User32 |Negotiate|SERVER|SERVER$|DOMAIN|(0x0,0x3E7)|6920|-|10.190.12.10|48397
And this is from Event ID 642 which was an account being created.
-|381$cmiller|DOMAIN|%{S-1-5-21-3554868564-134719009-1577582102-7972}|Jmotta|DOMAIN|(0x0,0x58F635E)|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|%%1792|-|-
Now, my script does a good job of getting the first user name out but as in the 642 event the second users name would be useful as well. This is the person that created/modified the user account.
So what I was hoping was that I could use a function (or whatever) to automaticaly split the Strings value into it's individual components and put them into an auto-sizing temp table as something like Field1, Field2, Field3, and so on until the end of string.
I could then use a case to get the information needed.
HELP PLEASE!!
Thank You,
John Fuhrman
http://www.titangs.com
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Feb 21, 2008
I have a large db (sql 2005 express) that is, well, basically a mess. It is not normalized properly and contains masses amount of data (due to so much repeating data). To make a long story short - this db needs to be redesigned, but management said no, so that is not an option - so please, no one suggest that that's what I do.
My application creates reports based on this db - the problem is, the sp's are slow - and when a report needs to run several reports, it takes a long time to run. The sp's and db have been optimized as best I can (adding indexes etc.,)
I was wondering if there is a way to split the db - what I want to do is just retain, say 2 years of data in 1 db, and store the rest of the data in the other db, as 2 years worth of data is 95% of what will be queried. I did copy over 2 years worth for testing, and reports that took 30 minutes in the existing db, take less than 1 minute (sometimes even faster) in the new db - a huge improvement.
My problem is how to deal with the times that I need more than 2 years worth of data - how do I query both db's to get my application to read the data from both db's so that it seems that I am only running one db? The new db would be updated daily with new data, but not the old db - so if I had to query 10 years worth of data, I need 2 years from the first db, and then the 8 yeas from the second db.
If anyone can provide some feedback or point me in the right direction of what I should research in order to accomplish the above - I would appreciate it.
If anyone knows of a better solution - please don't be shy - speak up! :)
Thanks - ann
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Mar 7, 2008
Hi
I have a field that has the following value 001, 002, 003, 004
I want to select the different value as
col col2 col3 col4
001 002 003 004
Sometimes there might only be one value, sometimes none sometimes two, three or four
Thanks
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Jul 23, 2005
hiI am new to SQL.I have database of 30GB.I have just heard aboutspliting Databases which helps in Performance.So please can any oneguide me in what are the steps involved in it.Anxious to know How does it work if i split my database in twodifferent location.We are using SQl 2000.Operating System - Windows 2000 serverregardsTV
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Nov 30, 2005
Hello,I have been placed in charge of migrating an old access based databaseover to sql server 7.0. So far, I have imported all the tables intosql server, but now I have come across the issue of needing to split astring variable. For instance, in the old database, the variable forname was such that it included both first and last names, whereas inthe new database there are seperate entities for first and last name.I know that there is a way to write a script that will separate out thetwo strings by using the "space" in between the name, but I'munfamiliar how to do this. Any suggestions? Thanks!Rick
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Jul 20, 2005
I have a field that contains codes likefhj#asdskjjljlj#12And so on.What I want to do is create two new fields (field1 and filed2) thatsplit the original filed at '#'If a field does not contain '#' I would like its entire contents to besaved in field1.Also how do I ensure that I save these changes?Thanks fo any help in advance.Regards,Ciarán
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Oct 10, 2006
I've read that we need to split data into a training and testing data set. How do I go about that?
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Dec 14, 2006
This may be a stupid question but I'll throw it out here, is it possible to use sql 2005 to split up pdf files into individual files by a field on the form or an index?
Thanks.
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Dec 4, 2007
Hello
I have a column which contains a phone number followed by a name.
How can I split off the name.
Example 0898 500 400 Joe Bloggs
Thank you.
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Jan 9, 2008
If I have a string of
'WLL EXT FACE REND'
how would I go about splitting the string into 4 strings of
'WLL'
'EXT'
'FACE'
'REND'
I know that for the first bit I can use a combination of PATINDEX and LEFT, but not sure how I can pull out the rest of them.
Thanks
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Apr 27, 2006
I need to split a field that contains a 4 digit number, into two tables each containing a 2 digit number. This is for an SSIS package to import data from a text file.
Thanks folks.
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Feb 12, 2015
I have a table with lots of xml files in one column(more than 1000), like this
1. <content xmlns:xsi="http://www.w3.org/2001/XMLSchema...
2. <content xmlns:xsi="http://www.w3.org/2001/XMLSchema...
3. <content xmlns:xsi="http://www.w3.org/2001/XMLSchema...each is big
I want to query some values for all to see the duration but now I can only query one of them
declare @bp xml
select @bp=xml
from bloodpressureohneschema
;WITH XMLNAMESPACES('http://schemas.openehr.org/v1' as bp,'http://www.w3.org/2001/XMLSchema-instance' as xsi,'OBSERVATION' as type)
select * from(
select
m.c.value('(./bp:time/bp:value)[1]','date') as time,
m.c.value('(./bp:data/bp:items[1]/bp:value[1]/bp:magnitude)[1]','int') as value
from @bp.nodes('/bp:content/bp:data/bp:events') as m(c)
)m
is there somewhere I can make better?
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Jul 20, 2005
HiI can't work with my sql server 2000,When I try to open a table I get the message:"The query cannot be executed because some files are missing or not registered.run setup again to make sure the required files are registered.I uninstall and install again (few time)But all the time i get this message.Does any one know who to fix it??ThanksEfrat
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May 14, 2008
is there any builtin functions or any other ways to split digit and numbers in sql server2005.
for example in Patel1234 , i am want to split patel and 1234 seperately.
thanks,
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May 28, 2004
I use to use the Instr() method, but that is not allowed in SQL..
Any suggestions?
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May 22, 2006
I have a table with about 2 million records.
One of the fields has data seperated by a comma. I need to be able to grap the data for each record and split those items into their own table in seperate rows. This is easy in Asp but the page will timeout before it can process all the records.
Any Ideas?
Thanks,Rick
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Feb 1, 2001
hi,
I am trying to split a text field .
what I want to do is -
split a text field and insert chars 1 to 8 in one field and then from 9 to 20 in another and so on.
Can someone help me in solving this.
TIA.
PD
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Aug 14, 2003
I'm trying to split a hyphen-delimited string into three columns in a view. I've been using substring and len to split up the string, but it is getting very complicated (and isn't working in all cases). I've used a SPLIT function in vbscript - does t-sql have anything similar? I've attached a spreadsheet that shows what I am looking for. Maybe someone can guide me in the right direction?
Thanks.
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