Hundreds Of Databases
Feb 2, 2008
Hello All,
We are running a hosted application where we currently have over 700 databases and expect to go to over 2000 within a year. This is all running currently on a 2 node fail-over cluster connected to a SAN.
I'm basically looking for advice on growth startegy from anyone that may have a similar setup.
Should I buy the biggest boxes I can afford and keep piling the databases on the same server? Should I add clusters and split the databases in bunches of, say, 500?
Performance is not bad right now but I'm not sure how long that will continue and I would rather plan than fight fires.
TIA
Andrew
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Jul 20, 2005
How can i delete all user stored procedures and all table triggers very fastina single database?Thank you
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Feb 2, 2006
What are the downsides to have many multiple views on a SQL Server Database?
It was somebody's design decision to create 10 views for each vendor in our database- that could range from 20 to 500 vendors ... which means we could potentially have 5000+ views in our database.
What is the downside/problems with doing this?
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Feb 5, 2004
Hi,
I have about 500 CSV files, mostly they are unser same structure. I need to import them all into SQL server. I create a new table for each one based on the firstline as the column name. I can do them one by one but it is very time consuming and boring. Is there a fast way of doing this?
If someone give me a information, I promise to share all of MY CSV files. They are the zone chart from UPS and I have edit all of them.
Thanks.
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Jun 3, 2014
i have a table with a few hundred columns. Each SELECT statement, I list each of the columns, this is taking lots and lots of space and it is difficult to review the code due to its length...Below, I have to list out every column when I only want to use case logic on 1 column. In the next step I will have to list out every single column again
SELECT
ACCT1_NO
,ACCT1_DT
,ACCT1_RISK
,ACCT1_RISK_WEIGHT
,ACCT1_CUSTOMER_NAME
,ACCT1_CUSTOMER_ADDRESS
,ACCT1_CUSTOMER_ST = CASE WHEN ACCT1_CUSTOMER_ST = ' ' THEN 'DC' END
,ACCT1_CUSTOMER_CITY
,ACCT1_CUSTOMER_ZIP
--,THIS CONTINUES DOWN FOR ANOTHER 150 OR SO ACCTS.
INTO #A1
FROM STAGE.CUSTOMER_ACCTS
Is there a way I can tell SQL to take all of the columns and then list the column where I want to do my case statement. Something like the code below
(which will fail as ACCT1_CUSTOMER_ST will be listed twice.
SELECT *
,ACCT1_CUSTOMER_ST = CASE WHEN ACCT1_CUSTOMER_ST = ' ' THEN 'DC' END
INTO #A1
FROM STAGE.CUSTOMER_ACCTS
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Sep 10, 2006
Hello
I'm looking for a way to store a large chunck of text (200 lines) in a variable which can be called in different objects within the database.
For example: I have several stored procedures that create the same temp table which exists of 200 column names over and over again.
It would have to look like this
Import myScript (I keep thinking of Import like used in .NET)
and myScript could exist of:
CREATE #MyTable(
...)
or even some simple text or a part of a sql statement.
I'm familiar with synonyms but you can't use that in this scenario.
Then I thought of functions. The scalar function returns a result, not what I want here. Table valued function return tables, not what I want.
Many thanks in advance!
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May 21, 2015
in SSIS
( Left(@[User::YourFileName],3) == "AP_" ? 101 : ( Left(@[User::YourFileName],3) == "VD_" ? 102 : ( Left(@[User::YourFileName],3) == "BK_ " ? 103 : 000)))
In the above Variable i want to change the value in Hundreds place i.e from 101,102,103 to 201 ,202, 203 depending upon some Project param
lets say if project param is 1, the values assigned should be as 101,102,103
if project param is 2, the values assigned should be as 201,202,203
if project param is 3, the values assigned should be as 301,302,303 etc...
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Dec 10, 2007
Dear Readers,Is it possible, like in Access, to link to tables in other SQL databases that are on the same server? I have a query that I originally had in Access that queered from multiply databases. It did this by having those other tables in the other databases linked to the database that had the query.
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Jan 24, 2006
I just restored my SQL server 2000 database on the SQL server 2005. after this i ran the Service broker sample ("Hello World") on this database by changing the AdventureWorks name to the new database name. The "setup.sql" runs fine. When i run the "SendMessage.sql" i was not getting any rows in the output (The message was not getting inserted into the queue). I checked the Service broker is enabled on this databased using the query "select is_broker_enabled from sys.databases where name = 'newdbname' " It was 1. I even tried the ALTER DATABASE SET ENABLE_BROKER. but it didnt work.
When i tried the sample on a newly created database it worked fine.
Is there any solution to make the restored database to work for service broker.
Thanks
Prashanth
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Feb 8, 2000
hi from France !!!
i would like how to duplicate a database to another server with all datas, constraints, keys, indexes...
should i use sp_attach_db, dts, backup/restore, sql scripts... ???
thanks to all, nico
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Mar 13, 2007
This is the scenario. Is it possible to create views or something (like Oracle DB Links) in a database in Instance 1 which can show data from another database in 2nd Instance ?
I want to do this to create reports.
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Sep 24, 2006
I have created a site which now has two databases. Firstly is the ASPNETDB.MDF which I beleives get set to manage the security, logon/Roles that I have on my site. The second dataabase "MyDatabase" is one that I have created for all my data withing the site. I would like to combine this to one Database for simplicity and cost. Now I can't see the ASPNETDB.MDF when I use SQL Manager 2005 and I can't see how to change the set up of ASP.Net Configuration if I was to just use mydatabase. Any suggestions
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Sep 25, 2006
Hi, I have my site set up, but have had difficulty using the data gathered by the aspnet.mdf. I wanted to use the email and username columns from the membership table to send newsletters automatically from the database(but that's a whole other post)I also have my own databse, which will be populated by information gathered from the website, so is currently empty. I'd like to take this opportunity to say that i don't think there's enough information given on how to populate a blank database from a website application. Most tuorials etc are concentrated on retrieving and displaying data, which is all well and good, once you actually have data to play with!I don't need two databases, so can I add tables to the aspnet.mdf ? But then what about relationships etc? I won't damage the current relationships by adding new ones? On the other hand can i copy the aspnet.mdf into my own database, and then assign the relevant permissions to that db? Any help would be greatly appreciated-in language for newbies please! I am relatively new to .asp.net/Visual Basic/ and SQL. It's a steep learning curve!Also....I have used create user wizard, login, password recovery etc within my site, the data is inserted into the correct db tables-without using an sql datasource for some reason...? is that right?I have also created a wizard to collect some more data (because i couldn't work out how to insert the data from the extra steps in create user wizard, into my own database) but when i click submit the data is not inserting into the specified table - (yes the connection string is fine, insert and update has been selected from the advance tab in connections wizard). Would this/could this be because i have assigned a 'finishbutton url'? should i use a Response.Redirect("blahblah.aspx") instead?
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Nov 16, 2004
I am very new to asp.net, but am having trouble trying to link the asp.net page that i have created to an sql database that has been set up on a local system. Am actually trying to use the sql control to extract info from the database. Would appreciate any ideas.
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Jul 13, 2001
Dear friends,
There are two databases in SQL Server and I have to designed the view or store procedure joing tables from two databases. How ? It will be kind, if you give me answer with detail example.
Best regards!
manoj
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Jul 16, 2000
Hello,
I’m using VB6 as the client and MS SQL Server 7 as the database. The company I’m consulting for has a proven track record for marketing and getting millions of customers. The parent company would like to create two new companies selling the same product; with 1 million customers per company. How many records can MS SQL Server 7 handle? I’ve been told it can handle 4 terabytes. What does 4 terabytes translate into records? I have already set up an application for company #1. Should I put company #2 in the same MS SQL Server database? Or should I put company #2 in a different database? My VB Application and SQL Server database were designed to handle multiple companies selling the same product. For performance sake; would it be better to separate the databases? Any suggestions? Is anyone currently using MS SQL Server with 2 or more million records?
Thanks,
Denise
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Aug 3, 2000
I am presenting using MS SQL 6.5 and have used up all my (VDEVNO) device numbers (1-255). Will I have this problem when I migrate to SQL 7? I understand SQL 7 does not use a device when creating databases, so what
is the maximum number of databases I can create in SQL 7?
Thanks in advance.
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Apr 9, 2005
Gusy im currently making and app that runs from a cd rom yet it uses databases made in sql and i already made the part for ataching the database from the cd but i haven't been able to do 2 things:
1. Can i actually attach my database from a cd without any need for the computer
2. does anyone has the code for detaching a database in Sql in c#
thanks ahead
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Jul 30, 2004
How can you make two databases communicate with each other?? they both reside in sql server 2000. How would I go about doing that. Access 2000 is the interface
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May 21, 2004
Hello,
Is it possible to restore a 6.5 database to a 7.0? I backup the entire 6.5 database to a BAK file then tried to restore it to SQL 7.0 but it didn't work. SQL 7.0 states that the disk device is not a valid Microsoft Tape Format backup set.
We have an application that was developped long long time ago by a old team and I don't want to upgrade the server. I tried to build a second 6.5 server (new hardware) but I couldn't restore the database as SQL 6.5 states that the server is in single user mode. I don't know how to switch to multi users mode. The database I want to restore is not in DBO or single user mode.
Any help will be appreciated.
Thanks.
Toan.
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Mar 16, 2006
Hello,
Can someone show me the TSQL I need to write in order to create 100 SQL databases in one go.
I want them to be called DB1, DB2, DB3, DB4...etc etc
I know how to create one database;
---------------------------------------------------
USE MASTER
GO
CREATE DATABASE DB1
ON PRIMARY
(
NAME = DB1_dat,
FILENAME = 'C:Program FilesMicrosoft SQL ServerMSSQLDataDB1.mdf',
SIZE=4,
MAXSIZE=10,
FILEGROWTH=1
)
-------------------------
But I don't want to do this 100 times,
Thanks in advance
ICW
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Feb 10, 2007
i really want to know,there are how types of databases?how many types of servers?how many types of inernet based languages?
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Jul 20, 2005
Hello,I am currently looking for databases that contain available prescriptionmedications and diagnosis codes (i.e. ICD9 medical diagnosis codes) thathave been created using SQL.Anybody know of companies that have these commerically available?Thanks,Eric
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Oct 20, 2007
I'm writing an app in vs2005 using sql express. This may be the wrong forum for this question, but here it is. I'm going to have several tables: Seven for Customer information, six for Employee information, 15 for Misc Definitions (status types, skill types, discipline types, gender types, etc.) and 10 for Scheduling information. This is a total of 38 tables.
Is there any advantage to having four databases, one for each type, or should I put all 38 tables in one database and add relationships to everything?
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May 28, 2007
Hello Everyone:
I am testing SQL Sever Express and I would like to know how to load the adventure works databaes into SQL server? I have downloaded the files in accordance to the instructions providered however, when I open SQL Server the Adventure Works database does not appear. How do I add the adventure works database to my instance of SQL Server? It appears that the files downloaded correclty and teh setup executed correclty, and the database files can be found in my control panel.
Thanks
John
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Jun 20, 2007
How do I join tables from two separate databases in SQL Server 2005 reporting services?
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Jan 22, 2008
I have assembly with several UDT. Let's call one of them - T. I have loaded assembly to 2 different databases. Let€™s call them €“ d1 and d2. I also have function F(), that returns type T.
I want to run such statement:
use d2
declare
@v t = d1.dbo.F();
If type T in d2 lies in schema dbo, then such statement will work without any problems. But if I want to register T not in dbo, but in some other schema (let€™s call it S), I will have an error:
Msg 206, Level 16, State 2, Line 1
Operand type clash: sysdb.ssma_oracle.Record is incompatible with t1.ssma_oracle.Record
Only conditions for CLR UDT, that I found, were:
When you use user-defined types across databases, you should remember the following:
· The types must have the same name, including the same CLR name, and must be implemented through the same assembly in both databases. Assemblies in two databases are identical if they have the same name, strong name, culture, version, code access permission set, and binary contents.
· You must have SELECT and EXECUTE permissions on each user-defined type column referenced in the query. These permissions are checked with regard to the database in which each column is defined.
· If a type that is implemented in one assembly calls a method in another assembly, the cross-assembly call is checked in the same way as if the user-defined type query were issued without crossing databases.
But I still have the same error. Why?
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Aug 23, 2006
Hi
I'm a newbie to SQL server..... l'm building a website where companies can save important data. I have a SQL server available but I'm not sure how to store the data. Should I create a new database for every user or should I store everything in the same database and then use a UserId to recognize the data and the user? What about the case where I reaches let's say 1000 users in the one user per database case, it would be extremly difficult to have an overview of the databases or what?
The data stored for each user are stored in tables which are exactly the same so all tables could be gathered into one table and then a UserId could tell which records belong to whom.
Hope my english isn't too bad..otherwise just ask me questions and I'll get back A.S.A.P.
Regards
Joachim
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Sep 16, 2006
Hi, I am developing a small asp.net application where I read from a readonly omnis database via odbc then dependant on user input write records to a second database.My first idea was to use an odbc connection to Omnis database and write to ms sql database. There is quite a few queries that need to be made to the Omnis database and I am binding a datagrid to the MS Sql server database. I was hoping to use stored procedures to update the mssql tables. So there will be much opening and closing of connections. Should I go down that road or should i think of using an Access database, with linked table to the Omnis database, then only one connection needs to be made. And I can store my information in the Access database tables. Thanks.
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Feb 22, 2007
I know enough about Databases to get myself in trouple. So maybe someone can point me in the right direction, or help me out. I work for the American Red Cross in Provo UT. We want to be able to put class registration on line so that someone can visit our website chose the class they want to take, register and pay for it all on-line. Our website http://www.redcrossut.org is hosted with godaddy and I am able to post a SQL Database. I know that our website as it stands is very poor. The people who have maintained it in the past have no idea what they were doing, my job is not the website, I am over Health & Safety Training, but have done some work with websites for fun in the past. I know a little about Visual Studio and plan to rebuild the site using C#. I can build a basic Database and interface to it with Visual Studio, Godaddy can help me with the payment part, but I have no idea how to set up SQL to allow scheduling. Any help would be appreciated. Even if it’s just a link to a tutorial.
Ed Hall
Director Health & Safety Services
Mountain Valley Chapter
American Red Cross
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Mar 21, 2007
Hi
I created some databases on my pc at work (using Visual Web Developer 2005 and Microsoft SQL Server Express), I now wish to move them onto my home machine, Can I do this by simply copying the .MDF files and then moving them into the App_Data folder of my new app?
Do MDF files contain everything (schema, data, stored procedures etc) or am I missing something?
Cheers, Adam
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Mar 26, 2007
ok when i upload my databases that i created in VS2005, they are read only.
so i though something was just funny, so i installed sql managment studio on the server and attached the databases, and when i attached them there grey with (READ-ONLY) displayed... how can i get my DB's out of read only! i tryied going through the properties of the DB through MSSQL managenet studio but that only generates an error...
any ideas!
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Apr 26, 2007
I need to query tables on different databases, which all reside on the same database server. How to do this?is it db1.tablex inner join db2.tabley ?
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