Querying Large Database
Mar 2, 2005
I need to query a database with about 3 million records using a 'like' statement on various varchar columns. I've have a non-clustered index on the columns included in my query, but the performance is still pretty slow. Can anyone suggest ways to increase the speed of my queries? Does full-text indexing improve performance or does it just facilitate more advanced searches (which I don't need)? Would char instead of varchar datatypes be faster?
thanks!
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May 16, 2007
Hello:
I have designed a CV database with complete CV stored in a TEXT field. There is a keyword search which queries the TEXT field also. The query conditions are defined in T-SQL submitted through an ASP page. There is about 20,000 records now. Now while querying the database for keyword search I am receiving time out errors. Is there any solution other than Index server to rectify this situation. How can I speed up the query execution time. Please advise.
Rgds
pooja
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Jun 12, 2008
how to write a query to find the no of tables present in that database.
Any suggestions.
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Sep 20, 2007
Hi, I have been using Microsoft Access for a couple of years and we have just switched to SQL Server. However, I'm having problems querying the Mysql databases our company has in place. I have managed to establish connections in the Visual Studio but can't seem to link tables from two different databases like I could in Access. Is this possible? Also, is it possible to connect to the mysql database via management studio? Apologies for my complete lack of knowledge!
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Mar 24, 2008
Hi everybody,
Our SRS reporting security model had to be designed so that the access is by individual report basis and by user. I cannot give access to individual reports based on windows AD group. Because everybody in that group does not need to have access to a particular report. Two people from one AD group needs access to say Report1. Only one person need to have access to Report2 etc.... Creating lot of AD groups for the security is also not advisable.
Right now I can tell right away users having access to a particular report as the number of reports and the users is small. But I want to design a report that can give me a list of users who have access to a specific report.
How do I query the reportserver database to get this information. I mean is this information saved in any of the tables?
Can you please give any info that you know of such information?
Thank you in advance for all your help,
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Jun 2, 2004
I am implementing an application that is looking into another System’s database (DBF). I need to query out new orders that have been put in daily. What is the best way to handle this situation? Should I write a service or have a trigger setup in MSDE? I just need to do a simple SELECT statement that grabs orders between a date range and update my SQL database (MSDE). I am not looking for specific code examples, just a solution.
What are my choices?
Thanks,
Jason
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Jan 24, 2005
People
I'm in a trouble.
So, I need to query some data in DB2 with Reporting Service.
I don't know if there's a way to do it, without using DTS Package, because if I did it, I'd be replicating it, and it's not the case. 'Cause I just want to query the data in DB2 and not bring the data to SQL.
There's a provider that I can do it?
Suppose I use a Linked Server, and add a Net-Library based on their Operational System, it would resolve? If not, what would be the best way of resolving this trouble??
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May 1, 2006
Would appreciate some help with this one. I need to run a query on a known table an arbitrary database. The DB name will be selected at runtime.
What I've tried:
DECLARE @DBName varchar(10)
SET @DBName = 'WBTST'
SELECT TOP 100 PERCENT Col1, Col2
FROM [@DBName].dbo.Table1
GROUP BY Col1
Result:
Invalid object name '@DBName.dbo.UPR00100'.
I've also tried without the square brackets around @DBName in the FROM clause. This results in: Incorrect syntax near '.'.
Thanks for the help
Wes
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Feb 6, 2007
Hello,I need to come up with a stored procedure that will allow me to readdata from another database. The database I need to read the data fromis a UniData residing on a Unix server. The stored procedure needs toreside on my sql 2005 server. The task is very simple in Access as wehave ODBC connections set up to the UniData via Informix (or IBM)UniData ODBC drivers. I can easily combine my UniData and Sql Servertables from within access. However, I can't seem to find a way toreplicate the same behavior in MS SQL Stored Procedure without the useof Access. Is that even possible?Thanks,Marek
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Mar 25, 2008
I would like to query a linked server and join that database to my local database. I finally was able to get it to work and I got this query to work:
select * from openquery([hcda-storagesrvlaserfiche], 'select * from toc where parentid=358')
I would like to join one of my tables from my local database to the query. How can I do this? Thanks!
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Apr 28, 2006
How do I query an SQL Express database from within an Excel 2002 VBA macro?
For example, how could I accomplish this in an Excel macro.
SELECT myID FROM MyTable WHERE Compound = string in cell A1
And then put the resulting ID number in cell A2. The relationship between Compound and myID is always one to one.
Thanks to all.
Dan
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Dec 7, 2007
I know that I can use:
IS_MEMBER('MyRoleName') = 1
to determine if a user is a member of a predetermined role, but how do I ask what the role name of the querying user is instead? Basically I want to do something like:
SELECT * FROM CityTable WHERE City IN (SELECT City FROM CitySecurity WHERE SelectGroup = ROLE_NAME)
I'm doing this because the "CitySecurity" table contains security information from another system that has been imported into SQL Server, where the 'SelectGroup', as part of process, will be named the same as the SQL Server role.
Thanks,
Kayda
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Oct 3, 2007
I created an Image for the Database in sqlserver 2000. When I am querying directly the database as "Select * from employee", it is returning the result set.
But, when I am querying Database image with same query. It is giving error
Server: Msg 208, Level 16, State 1, Line 1
Invalid object name 'Employee'
It is expecting the Database Owner. If I do query like "Select * from [Owner].employee", it is working fine.
My requirement is not use owner in queries, it should be simple query ("Select * from employee").
Can any one, help me out.
Thanks in advance.
Bhupesh
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Feb 5, 2008
Is there any way to deploy reports to a Report Manager in SQL Server Reporting Services 2005 if the reports query SQL Server 2000 databases? Or are only 2005 databases able to deploy to the web?
Also, if I have a report that queries both, can I deploy it to the web on the 2005 Report Manager with a linked server to the 2000 server?
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Apr 23, 2007
guys,I have a project need to move more than 100,000 records from onedatabase table to another database table every week. Currently, usersinput date range from web UI, my store procedure will take those dateranges to INSERT records to a table in another database, then deletethe records, but it will take really long time to finish this action(up to 1 or 2 hours).My question is if there is some other way I should do to speed up theaction, I am thinking about use bcp to copy those records to datafileand then use bcp to insert it into SQL Server table. Is this the rightway to do it or should I consider other solution (then, what is thesolution.)Thanks a lot!
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Jul 23, 2007
What happens if you have a website and the hard drive on your server is say 250GB. Then the database exceeds that and the database is 300GB in size.How would you spread your database into two different hard drives?Thanks
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Apr 17, 2003
Hello,
I would like to know whether MS SQL Server 2000 Can handle Large Database size 28 gig, currently we are using Sybase but we want migrate to SQL Server 2000. Are there any performance issues?
Any help is appreciated.
Thanks
Sejal
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Aug 17, 2006
We have many installations of our shopping cart database. One specific database is huge, now about 25 GIG, compared to the others that range from 20 to 75 MEG. The server this one resides on has three other instances of the same database that are normal size.
In a particular table in the large database there are 9700 rows taking 380MB, the same table in a normal db has 162000 rows and takes 6.MB. The tables are identical and the indexes are the same.
Any ideas out there?
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Sep 12, 2006
I upgraded a database from SQL2000 to SQL2005 and it went pretty smooth. After the transition was made, I backed up the DB. The size of the database was as expected, about 5 GB. About 5 hours later, a maintenance plan executed a few optimization jobs in the following order: Reorganize Index, Rebuild Index, Shrink Database, Update Statistics. Soon after that, another job backed up the database and it was then 32 GB. During the time after the first backup, no one was really using the database.
I've been trying to track this down for several days. Does anyone have any ideas for me?
Thanks,
Bobby Crawford
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Dec 4, 2006
Hello!
I have a database with one table inside. The table has six columns with the following datatypes:
col1 -->smallint (2byte)
col2 -->int (4byte)
col3 -->smallint (2byte)
col4 -->smallint (2byte)
col5 -->smallint (2byte)
col6 -->int (4byte)
I have insert 1.359.320 rows with data and the size of the sdf file is 40.116.224 byte.
According to my calculation:
1.359.320 * 2byte + 1.359.320 * 4byte + 1.359.320 * 2byte + 1.359.320 * 2byte +1.359.320 * 2byte + 1.359.320 * 4byte = 21.749.120 byte
I hope somebody can explain me, why the database is so large.
Thank you
Sascha
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Oct 8, 2004
Importing data from an Access database, I cannot overcome the limit of 1,000 records.
In DTS, I "copy one or more tables", select tables, run, and cannot see my 1,052 entries.
Where can I set a max size of ~1,500 in my sql target base?
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Jun 15, 2000
Hi Everybody:
We now host 200 G data in SQL Server 7.0 in MSCS. The data will be 1 terabyte at end of the year. The possible solution to host large data with good performance is to migrate data to Oracle or UDB in Unix platform. But we would like to try any possibility in Microsoft world before we decide to migrate data to the other databases.
I need your experience and recommendation about hosting large database in SQL Server with good web performance. Somebody mentions Microsoft tera server. Who has experience using tera server which is still in the beta release? I would like to hear some successful story to handle the large data and understand precisely hardware, software, performance moitoring requirement.
Thank you very much.
Rich
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Dec 14, 2006
Hi to All
I have large database with tables and views on the server around 80 to 100 mb amount of data.when i retrieve the data from the server it is taking long time Ex: "select * from vwcases" its taking 10 to 12 minuts time.this is my database problem.If you know the solution please reply back to me as soon as possible.
thanking You.
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Jan 7, 2005
Hi Guys,
I am looking for a large datawarehouse database implemented in SQL Server to use it to run some examples in my thesis. if someone knows where I can find a large datawarehouse database (e.g Sales database) please tell me.
I appreciate any help.
Thanks
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May 17, 2004
Does anyone know of a good way to copy a large database or backup of a database (~10 GB) across long distances (transatlantic) in a minimal amount of time?
I have tried regular file copies, BCP, DTC, my own handwritten extraction utility, PCAnywhere, and several file splitters, all to no avail. To complicate things, the source is SQL 7 with a different code page from the destination, which is SQL 2K. The file copies always seem to get interrupted after several hours.
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Jan 26, 2007
Hello all,
We have total 7 databases in the warehouse and these db are big. All the data files are approximately 300G now and they all growing more. Some are small db some are large db. (ranging from 20G to 50G of data files). Can someone please recommend me the best backup plan for this scenario. The regular backup through SQL 2005 takes too long.
Thanks for your help.
tocroi
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Feb 24, 2006
I developed a vb app that imports csv data into an sql server db. The original text file is 36.5mb. The db after import is 230mb and the log file is 555mb. Is this normal?
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Aug 11, 2007
I am developing an office automation software for a government department. To start with, I have decided to first automate the salary section of the department. Because of some issues like, TCO, easy support and maintenance, scalability etc., I have decided to use SQL Server 2005 database with VB 2005 front-end.
I have planned the layout for this first part and found that in only employee salary table, 40,000 records per month will be stored. That comes out to be around 480,000 records annually. This is for one table alone, excluding data in other tables.
Since each section of the department will be integrated into this later, this application will become the backbone the department. The employee service, leave, salary, allowance, deduction and other records shall be maintained.
For this type of mission-critical application, I want to get some queries cleared:
(1) What backup strategy should be followed? I want to have schedule and maual backups both. Is there any way to have a mirror image on another server?
(2) What considerations to keep in mind in the inital stage of database design?
(3) How to keep the design scalable and configurable to meet future needs?
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Oct 23, 2006
Hi Experts
We are debating what is best:
1. To combine all the company's data in one large database, and use schemas and file groups to create logical and physical distribution on drives and namespaces
or
2. Distribute the data into smaller databases with related data - eg. products and product description in one db, Customers in another and orders and orderlines in a third db.
Just what are the pros and cons?
regards
Jens Chr
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Jun 21, 2007
Hello, All:
I have many, many Access databases that are roughly 1.5GB-3GBs each and they have millions of records. Each MS Access Database file corresponds to one Database in SQL server. I'm trying to simply transform the data as it is in Access to MS SQL 2005.
I'm using the 64 bit version of Windows Server 2003 and the 64 bit version of SQL 2005. The server is running four dual core AMD Operton processors and has 8GB of RAM with a 1TB RAID 5 configuration. I think the hardware should be sufficient but the SQL Server Import and Export Wizard can't seem to handle the large number of tables/records. If I do one table at a time, it works well; however, it produces the following error message whenever I try to import the entire database:
Pre-execute (Error)
Messages
Error 0xc0202009: {5A5BF7AD-E86B-4316-AD43-1912358C56F4}: An OLE DB error has occurred. Error code: 0x80004005.
An OLE DB record is available. Source: "Microsoft JET Database Engine" Hresult: 0x80004005 Description: "Unspecified error".
(SQL Server Import and Export Wizard)
Error 0xc020801c: Data Flow Task: The AcquireConnection method call to the connection manager "SourceConnectionOLEDB" failed with error code 0xC0202009.
(SQL Server Import and Export Wizard)
Error 0xc004701a: Data Flow Task: component "Source 64 - District Corporal Punishment Class" (5743) failed the pre-execute phase and returned error code 0xC020801C.
(SQL Server Import and Export Wizard)
Any ideas would be much appreciated!
Thank you,
Cody
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Feb 19, 2012
I have a distribution database that has grown over 50g. Distribution cleanup takes over 15 hours to run and there are always very few rows in msrepl_Commands. Usually only a few hundred. Everything is being replicated fine, but I fear a storm coming. why distribution would be so large with so few rows? Also, Ghost Cleanup has been running all week, so I'm thinking maybe the records marked for deletion aren't being deleted?
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Oct 9, 2014
I've just inherited the job of looking after our SQL server (2012). The server works fine but I am a bit concerned about the backup strategy we have in place. The current backup strategy is a SQL script that runs every 2 nights and backs up to an ISCSI box elsewhere on the network. One of the databases on the server is currently at 303GB, which will take about a full working day to restore to another server if this one fails. I am just looking at other ways which could reduce the amount of time to restore this if this server was to fail. i heard so people talking about sql clusters and configuring replication on posts by others, which i will look into if its the way to go, but i guess I am just looking what others would do if they were in the same position with such a large database.
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Mar 21, 2008
Hi i wanna delete all the records from an large database 200 -300 tables, because i want make some changes an start from scratch,but keep the structures of the database key , index etc, i tried to generate script but when i run to many errors , plz help 10x
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