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  • How to Connect to a Mysql database using PHP?

    - by Karthik
    <?php mysql_connect("localhost", "username", "password") or die(mysql_error()); echo "Connected to MySQL<br />"; ?> This is the code I am using to check if I am able to connect to Mysql. I am having problem connecting using this code. Should I change localhost to the name of the website? I tried ("www.abc.com","login username", "password") even this is not working.

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  • What is the best way to convince management that virtualization isn't always appropriate in producti

    - by uncle brad
    I work for a small company with a .NET product that was acquired by a medium sized company with "big iron" products. Recently, the medium-sized part of the company acquired another small company with a similar .NET product and management went to have a look at their technology. They make heavy use of virtualization in their production environment and it's been decided that we will too. Our product was not designed to be run in a virtual environment, but some accommodations can be made. For instance; there are times when we're resource bound due to customer initiated processes. This initiation is "bursty" by nature, but the processing can be made asynchronous and throttled. This is something that would need to be done for scalability anyway. But there is other processing that we do that isn't so easily modified because we're resource bound for extended periods of time. How do I convince management that heavy use of virtualization is probably not appropriate for us?

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  • Upload Picture File Paths to Database Without Creating Multiple Records and Giving The Files Random Names

    - by user1830990
    I want to be able upload pictures to a folder and their filepaths to a MySQL database without creating multiple records. For example instead of: id PicturePath size 1 file1.jpg 90832 2 file2.jpg 84593 I want to do: id PicturePath1 PicturePath2 PicturePath3 1 file1.jpg file3.jpg file5.jpg And also as it uploads, it should change the name of the original file e.g. if User uploads DSC0009.jpg it should upload into the file upload folder and MySQL Database as: someRandomFileName8087935.jpg

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  • MySQL database Int overflow and can't login in.

    - by Ryan SMith
    I have a MySQL database on my server and I"m pretty sure it's an int over flow on one table with an auto_increment field that's crashing it. I can delete the table, it's not very important, but I can't get into the server. Is there anyway to delete that database from the file system or without logging into MySQL? HELP! THE WORLD IS ENDING!

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  • Long-running Database Query

    - by JamesMLV
    I have a long-running SQL Server 2005 query that I have been hoping to optimize. When I look at the actual execution plan, it says a Clustered Index Seek has 66% of the cost. Execuation Plan Snippit: <RelOp AvgRowSize="31" EstimateCPU="0.0113754" EstimateIO="0.0609028" EstimateRebinds="0" EstimateRewinds="0" EstimateRows="10198.5" LogicalOp="Clustered Index Seek" NodeId="16" Parallel="false" PhysicalOp="Clustered Index Seek" EstimatedTotalSubtreeCost="0.0722782"> <OutputList> <ColumnReference Database="[wf_1]" Schema="[dbo]" Table="[Indices]" Alias="[I]" Column="quoteDate" /> <ColumnReference Database="[wf_1]" Schema="[dbo]" Table="[Indices]" Alias="[I]" Column="price" /> <ColumnReference Database="[wf_1]" Schema="[dbo]" Table="[Indices]" Alias="[I]" Column="tenure" /> </OutputList> <RunTimeInformation> <RunTimeCountersPerThread Thread="0" ActualRows="1067" ActualEndOfScans="1" ActualExecutions="1" /> </RunTimeInformation> <IndexScan Ordered="true" ScanDirection="FORWARD" ForcedIndex="false" NoExpandHint="false"> <DefinedValues> <DefinedValue> <ColumnReference Database="[wf_1]" Schema="[dbo]" Table="[Indices]" Alias="[I]" Column="quoteDate" /> </DefinedValue> <DefinedValue> <ColumnReference Database="[wf_1]" Schema="[dbo]" Table="[Indices]" Alias="[I]" Column="price" /> </DefinedValue> <DefinedValue> <ColumnReference Database="[wf_1]" Schema="[dbo]" Table="[Indices]" Alias="[I]" Column="tenure" /> </DefinedValue> </DefinedValues> <Object Database="[wf_1]" Schema="[dbo]" Table="[Indices]" Index="[_dta_index_Indices_14_320720195__K5_K2_K1_3]" Alias="[I]" /> <SeekPredicates> <SeekPredicate> <Prefix ScanType="EQ"> <RangeColumns> <ColumnReference Database="[wf_1]" Schema="[dbo]" Table="[Indices]" Alias="[I]" Column="HedgeProduct" ComputedColumn="true" /> </RangeColumns> <RangeExpressions> <ScalarOperator ScalarString="(1)"> <Const ConstValue="(1)" /> </ScalarOperator> </RangeExpressions> </Prefix> <StartRange ScanType="GE"> <RangeColumns> <ColumnReference Database="[wf_1]" Schema="[dbo]" Table="[Indices]" Alias="[I]" Column="tenure" /> </RangeColumns> <RangeExpressions> <ScalarOperator ScalarString="[@StartMonth]"> <Identifier> <ColumnReference Column="@StartMonth" /> </Identifier> </ScalarOperator> </RangeExpressions> </StartRange> <EndRange ScanType="LE"> <RangeColumns> <ColumnReference Database="[wf_1]" Schema="[dbo]" Table="[Indices]" Alias="[I]" Column="tenure" /> </RangeColumns> <RangeExpressions> <ScalarOperator ScalarString="[@EndMonth]"> <Identifier> <ColumnReference Column="@EndMonth" /> </Identifier> </ScalarOperator> </RangeExpressions> </EndRange> </SeekPredicate> </SeekPredicates> </IndexScan> </RelOp> From this, does anyone see an obvious problem that would be causing this to take so long? Here is the query: (SELECT quotedate, tenure, price, ActualVolume, HedgePortfolioValue, Price AS UnhedgedPrice, ((ActualVolume*Price - HedgePortfolioValue)/ActualVolume) AS HedgedPrice FROM ( SELECT [quoteDate] ,[price] , tenure ,isnull(wf_1.[Risks].[HedgePortValueAsOfDate2](1,tenureMonth,quotedate,price),0) as HedgePortfolioValue ,[TotalOperatingGasVolume] as ActualVolume FROM [wf_1].[dbo].[Indices] I inner join ( SELECT DISTINCT tenureMonth FROM [wf_1].[Risks].[KnowRiskTrades] WHERE HedgeProduct = 1 AND portfolio <> 'Natural Gas Hedge Transactions' ) B ON I.tenure=B.tenureMonth inner join ( SELECT [Month],[TotalOperatingGasVolume] FROM [wf_1].[Risks].[ActualGasVolumes] ) C ON C.[Month]=B.tenureMonth WHERE HedgeProduct = 1 AND quoteDate>=dateadd(day, -3*365, tenureMonth) AND quoteDate<=dateadd(day,-3,tenureMonth) )A )

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  • Using a set of numbers inside a database without creating a temporary table

    - by Zizzencs
    I have a set of numbers and a table in a database with the id (primary key) and text (not null) columns. I would like to create a query that returns all the numbers in the set and the associated text from the table. Unfortunately not all numbers exist in the database's id column, so this won't work: select id, text from table where id in (<set of numbers>) For the non-existing ids the best would be to return null as the text from the query. Is there a way to produce the desired output without first creating a temporary table from the set inside the database? The database engine in use is a Microsoft SQL Server 2008 SP1 but I'd be interested in any solution with any database engine.

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  • Sqlite. How to create an index in attached DB?

    - by kappa
    I have a problem with adding index to memory database attached to main database. 1) I open the database (F) from file 2) Attach the :memory: (M) database 3) Create tables in database M 4) Copy data from F to M I would also like to create an index in database M, but don't know how to do that. This code creates index but in F database: sQuery = "CREATE INDEX IF NOT EXISTS [INDID] ON [PANEL]([ID] ASC);"; I tried to add the name qualifier before table name like this: sQuery = "CREATE INDEX IF NOT EXISTS [INDID] ON [M.PANEL]([ID] ASC);"; but SQLite returns with message that column main.M.PANEL does not exist. What can I do?

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  • Maintaining a secure database of user logins and info?

    - by Rafe Kettler
    I want to have a login form on a charity website I am building (it's for a friend, and I'm learning on the go), and I want to know what languages/software should I learn to build databases for user logins and info? Note: it HAS to be secure and relatively simple to learn for someone with moderate programming experience. Update: I understand that CMSs offer good tools for logins etc. but I want to do this all by myself.

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  • Restoring a DataBase

    - by jjj
    i have two deferent Servers databases connections , let say j and k .. and i have backup data file in j, i named it jtok.bak .. now , i am trying to restore a database in k from jtok.bak , the database name is kkk ... so ... is there a way to do that ?

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  • User management with aspnet membership provider

    - by 109221793
    Hi guys, Just a general question really. I have taken on the management of an application written in C# MVC that uses the asp.net membership api. With this a user can register, change their password, etc. My application consists of two areas, administrator and user. This adminstrator's area has lots of custom admin functionality relating to the application, however has no functionality utilizing the membership api. I want to be able to use the membership api for user management functions such as resetting a password of a user who has forgotten theirs, lock users out, etc. Are there any resources or articles out there that delve into this aspect of using the membership api? Any help would be appreciated :) thanks

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  • MySQL database Int overflow and can’t login in.

    - by Ryan Smith
    I have a MySQL database on my server and I"m pretty sure it's an int over flow on one table with an auto_increment field that's crashing it. I can delete the table, it's not very important, but I can't get into the server. Is there anyway to delete that database from the file system or without logging into MySQL? HELP! THE WORLD IS ENDING!

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  • Correct model for a database with a table for each user.

    - by BAH
    Kinda stuck here... I have an application with lets say 5000 rows of data per user and was wondering if it was right or wrong to do it this way: On user account creation a new table is created (UserData_[UserID]) or should I just have 1 table for userdata and have everything in there with a column for userid? The reason I am stuck at the moment is that it seems NHibernate isn't able to be mapped to dynamic table names without creating another ISessionFactory which has alot of overhead AFAIK. Any help would be greatly appreciated. Thanks.

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  • Weird TPS peaks on SQL 2005 replicated database.

    - by SuperCoolMoss
    When monitoring the Transactions/Sec using perfmon on one of my SQL2005 replicated databases - I'm seeing the TPS increase to 1000 and then immediately drop back down again - this happens every 5 seconds. I'm not sure what's causing this - is this something to do with replication? We also have asynchronous statistics set on this particular database. I've tried profiling when the users are not connected - but nothing is writing to the database. ADDED PICTURE AND BOUNTY

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  • Wordpress database query running slow - one of the columns doesn't exist!

    - by Pavel
    Hi there. I'm having some problems with the query that wordpress runs. That's the one: SELECT DISTINCT ID,post_title,post_date,post_content,MATCH(post_title,post_content) AGAINST ('S') AS score FROM wp_posts WHERE MATCH (post_title,post_content) AGAINST ('S') AND post_date <= 'S' AND post_status = 'S' AND id != N AND post_type = 'S' ORDER BY score DESC When I'm running this query in phpmyadmin it says that N column doesn't exist so clause "AND id != N" si not making any sense. I ran the query again without this clause and db behaved like fully optimized one. Please can someone give me a hint on that? My questions are: What this clause is used for? What wordpress is trying to find by running this and Can I modify core wordpress files to get rid of this clause? Any response or help greatly appreciated!!

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  • Sharepoint 2010 moving site collection to different database error

    - by Brandon Ulasiewicz
    I am trying to move a site collection from one content database to another content database. First I used the following PowerShell command: New-SPContentDatabase -Name New_DB -WebApplication http://portal/ I confirmed that this did in fact create the DB in the SQL Server. I then used the following command: Move-SPSite http://portal/sites/hr -DestinationDatabase New_DB This generates an error stating that the "Operation is not valid due to the current state of the object" Can anyone help point me in the right direction with this? Thanks

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