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  • Renamed MySQL table not renamed for INSERT queries?

    - by Austin Hyde
    After renaming one of my MySQL MyISAM tables from test_tablename to tablename, I have found that if I try to execute an INSERT (or REPLACE) query, I get the following message: 1146: Table 'dbname.test_tablename' doesn't exist I have triple-checked my database abstraction code, and verified this by running the query directly on the server. According to the MySQL server, the CREATE TABLE syntax is tablename, as expected, and when I run SHOW TABLES, it lists tablename as expected. Is there any reason for this to happen? More importantly, is there an easier way to fix this than dumping, dropping, re-creating, and reloading the table?

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  • Help me write a nicer SQL query in Rails

    - by Sainath Mallidi
    Hi, I am trying to write an SQL query to update some of the attributes that are regularly pulled from source. the output will be a text file with the following fields: author, title, date, popularity I have two tables to update one is the author information and the other is popularity table. And the Author Active Record object has one popularity. Currently I'm doing it like this.\ arr.each { |x| x = x.split(" ") results = Author.find_by_sql("SELECT authors.id FROM authors, priorities WHERE authors.id=popularity.authors_id AND authors.author = x[0]") results[0].popularity.update_attribute("popularity", x[3]) I need two tables because the popularity keeps changing, and I need only the top 1000 popular ones, but I still need to keep the previously popular ones also. Is there any nicer way to do this, instead of one query for every new object. Thanks.

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  • Adding a Third Table to a Two-Table Join Query

    - by John
    Hello, The query below works just fine. It pulls fields from two MySQL tables, "comment" and "login". It does this for rows where "username" in the table "login" equals the variable "$profile." It also pulls fields for rows where "loginid" in the table "comment" equals the "loginid" that is also being pulled from "login." I would like to pull data from a third table called "submission," which has the following fields: submissionid loginid title url displayurl datesubmitted I would like to pull fields from rows in "submission" where "loginid" equals the "loginid" that is already being pulled from the other two tables, "login" and "comment." How can I do this? Thanks in advance, John Query: $sqlStrc = "SELECT l.username, l.loginid, c.loginid, c.commentid, c.submissionid, c.comment, c.datecommented FROM comment AS c INNER JOIN login AS l ON c.loginid = l.loginid WHERE l.username = '$profile' ORDER BY c.datecommented DESC LIMIT 10";

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  • How to UNION ALL two SELECT statements?

    - by Lisa
    I have 2 tables, one looks like this: TABLE ONE id | Last Name | First Name | Username | Password | Secret Question and another that looks like this: TABLE TWO id | Hobby | Country | I want to combine a Select statement that grabs data from both tables and output the results. The following code: $select = mysql_query(" SELECT * FROM table_one WHERE Username = 'Bob' UNION ALL SELECT * FROM table_two WHERE Hobby = 'Baseball' "); while ($return = mysql_fetch_assoc($select)) { $userName = $return['Username']; $hobby = $return['Hobby']; } echo "$userName likes $hobby"; results in a The used SELECT statements have a different number of columns error, what am I doing wrong?

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  • SQL Server JOIN with optional NULL values

    - by Paul McLoughlin
    Imagine that we have two tables as follows: Trades ( TradeRef INT NOT NULL, TradeStatus INT NOT NULL, Broker INT NOT NULL, Country VARCHAR(3) NOT NULL ) CTMBroker ( Broker INT NOT NULL, Country VARCHAR(3) NULL ) (These have been simplified for the purpose of this example). Now, if we wish to join these two tables on the Broker column, and if a country exists in the CTMBroker table on the Country, we have the following two choices: SELECT T.TradeRef,T.TradeStatus FROM Trades AS T JOIN CTMBroker AS B ON B.Broker=T.Broker AND ISNULL(B.Country, T.Country) = T.Country or SELECT T.TradeRef,T.TradeStatus FROM Trades AS T JOIN CTMBroker AS B ON B.Broker=T.Broker AND (B.COUNTRY=T.Country OR B.Country IS NULL) These are both logically equivalent, however in this specific circumstance for our database (SQL Server 2008, SP1) two different execution plans are produced for these two queries with the second version significantly outperforming the first version in terms of both time and logical reads. My question really is as follows: as a general rule would (2) be preferred to (1), or does this just happen to be exploiting some particular idiosyncracy of the optimiser in 2008 SP1 (that could therefore change with future versions of SQL Server).

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  • iPad UiTableView concatenate question

    - by rasputin
    Hi! I need make a application for iPad. The App need a control seem to Twitter iPad App that show tables and when you push a cell open other table and put the table over. You can make horizontal scroll with these tables. In this link can see the App Twitter and tableviews function: http://www.youtube.com/watch?v=RIJTXNfGHuM I don't know how make a similar functionality. Can you help me or you know how can make that functionality? Thank you very much!!

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  • php foreach looping twice

    - by Jack
    Hi, I am trying to loop through some data from my database but it is outputting it twice. $fields = 'field1, field2, field3, field4'; $idFields = 'id_field1, id_field2, id_field3, id_field4'; $tables = 'table1, table2, table3, table4'; $table = explode(', ', $tables); $field = explode(', ', $fields); $id = explode(', ', $idFields); $str = 'Egg'; $i=1; while ($i<4) { $f = $field[$i]; $idd = $id[$i]; $sql = $writeConn->select()->from($table[$i], array($f, $idd))->where($f . " LIKE ?", '%' . $str . '%'); $string = '<a title="' . $str . '" href="' . $currentProductUrl . '">' . $str . '</a>'; $result = $writeConn->fetchAssoc($sql); foreach ($result as $row) { echo 'Success! Found ' . $str . ' in ' . $f . '. ID: ' . $row[$idd] . '.<br>'; } $i++; } Outputting: Success! Found Egg in field3. ID: 5. Success! Found Egg in field3. ID: 5. Could someone please explain why it is looping through both the indexed and associative values? UPDATE I did some more playing around and tried the following. $fields = 'field1, field2, field3, field4'; $idFields = 'id_field1, id_field2, id_field3, id_field4'; $tables = 'table1, table2, table3, table4'; $table = explode(', ', $tables); $field = explode(', ', $fields); $id = explode(', ', $idFields); $str = 'Egg'; $i=1; while ($i<4) { $f = $field[$i]; $idd = $id[$i]; $sql = $writeConn->select()->from($table[$i], array($f, $idd))->where($f . " LIKE ?", '%' . $str . '%'); $string = '<a title="' . $str . '" href="' . $currentProductUrl . '">' . $str . '</a>'; $sth = $writeConn->prepare($sql); $sth->execute(); $result = $sth->fetch(PDO::FETCH_ASSOC); foreach ($result as $row) { echo 'Success! Found ' . $str . ' in ' . $f . '. ID: ' . $row[$idd] . '.<br>'; } $i++; } The interesting thing is that this outputs the below: Success! Found Egg in field3. ID: E. Success! Found Egg in field3. ID: E. Success! Found Egg in field3. ID: 5. Success! Found Egg in field3. ID: 5. Success! Found Egg in field3. ID: E. Success! Found Egg in field3. ID: E. Success! Found Egg in field3. ID: 5. Success! Found Egg in field3. ID: 5. I have also tried adding $i to the output and this outputs 2 as expected. If I change fetch(PDO::FETCH_BOTH) to fetch(PDO::FETCH_ASSOC) the output is as follows: Success! Found Egg in field3. ID: E. Success! Found Egg in field3. ID: E. Success! Found Egg in field3. ID: 5. Success! Found Egg in field3. ID: 5. This has been bugging me for too long, so if anyone could help I would be very appreciative!

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  • document class problem in latex

    - by laspal
    Hi, My problem is my full tables and text are coming some says 15 cm away from left side, so my text has very less space on right side says 3cm. How can I change my text and tables to start from 5 cm awayfrom left and 5 cm before right side. What all \documentclass[] {} can I try to change this format. \documentclass[a4paper]{article} \usepackage{graphics} \usepackage{color} \usepackage{hyperref} \usepackage{multirow} \usepackage{longtable} \usepackage{fullpage} \usepackage[pdftex]{graphicx} \usepackage{fancyhdr} \oddsidemargin 0cm \evensidemargin 0cm \pagestyle{fancy} \renewcommand{\headrulewidth}{0.0pt} \lfoot{%(full_name)s/%(emp_id)s/\thepage} \cfoot{} \topmargin -2.5cm \parindent 0cm \textheight 27.5cm \parskip 3mm \begin{document} \fontencoding{\encodingdefault} \renewcommand{\familydefault}{\sfdefault} \fontshape{\shapedefault} \selectfont Thanks

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  • Getting highest results in a JOIN

    - by Keithamus
    I've got three tables; Auctions, Auction Bids and Users. The table structure looks something like this: Auctions: id title -- ----- 1 Auction 1 2 Auction 2 Auction Bids: id user_id auction_id bid_amt -- ------- ---------- ------- 1 1 1 200.00 2 2 1 202.00 3 1 2 100.00 Users is just a standard table, with id and user name. My aim is to join these tables so I can get the highest values of these bids, as well as get the usernames related to those bids; so I have a result set like so: auction_id auction_title auctionbid_amt user_username ---------- ------------- -------------- ------------- 1 Auction 1 202.00 Bidder2 2 Auction 2 100.00 Bidder1 So far my query is as follows: SELECT a.id, a.title, ab.bid_points, u.display_name FROM auction a LEFT JOIN auctionbid ab ON a.id = ab.auction_id LEFT JOIN users u ON u.id = ab.user_id GROUP BY a.id This gets the single rows I am after, but it seems to display the lowest bid_amt, not the highest.

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  • join select from multiple row values?

    - by user1869132
    Two tables 1) product -------------------- id | Name | price 1 | p1 | 10 2 | p2 | 20 3 | p3 | 30 2) product_attributes: --------------------------------------------------- id | product_id | attribute_name | attribute_value --------------------------------------------------- 1 | 1 | size | 10 2 | 1 | colour | red 3 | 2 | size | 20 I need to join these two tables. In the where clause I need to match both the two rows attribute values. Is it possible to get the result based on two rows value. Here if size=10 and colour=red. Output should be 1 | p1 | 10 It could be greatly helpful to get a query for this.

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  • sql server 2005 replication article conflict

    - by Daniel
    Hi all, I have a sql server 2005 database that I want to setup replication for. The problem is that the database has two schemas both of which have a table with the same name in it. For some reason even though the tables are in different schemas the replication creation fails when done through management studio due to conflicting article names (i assume its trying to create the same name for both tables in the different schemas). Is there any workaround for doing this in the studio, I can probably write a script or program to do this but just for this one thign is a bit annoying and it probably wont be allowed to run in production. Perhaps there is a hot fix or something I'm not aware about? Cheers,

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  • mirror a site with wget and download static media

    - by mountainswhim
    I'd like to mirror a site with wget and convert all the links to the local copies I've downloaded. So far that's easy all I have to do is wget -mk http://site.com However all of the static media is located in a different domain, if I follow all of the foreign hosts using the -H option it will download that static media files, but it will also download anything else externally linked. Is there a way to specify 'only download foreign hosts specified in list X'?

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  • Mysql Master Slave Replication on Large Database table (how to sync initial data)

    - by Brian Lovett
    We have a production server and a dev server. We have found that backups are nearly impossible on the production server because of the query volume we experience. So, we're looking at setting up replication with our dev server being the slave. This is ideal because we can afford to lock the tables on that server and additionally it will be nice to have up to date data for the developers. Now, the issues. The production server can't really be taken down or locked at this point, at least not easily. We have a high query volume and fairly large 30+ GB innodb tables. Both servers are running all innodb and are also both on mysql 5.1. What can we do to sync the data initially to get replication started? I've tried a few options, but so far, none have worked.

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  • Qlikview joins that dosen't join on all matching column names

    - by Dev_Karl
    Hi! I'm new to Qlikview and looking for some answers regarding scripting. How can I create Qlickview joins that just join on a specific column (and not all that are having a matching name)? Let's say that I'm having the following tables: Employee Id | Person | DepartmentID | Flags 1000 , Bob , 2001 , 1000000 1001 , Sue , 2002 , 1100000 Department Id | Name | Flags 2001 , HR , 01101111 2001 , R&D , 1100000 What is the best way of joining those tables on the DepartmentID <- ID field? The data is provided by SQL selects. I'm thinking of writing SQL views using unique names would be one idea, but there must be a simpler way. Please advice Kind regards, Karl

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  • Clear sqlalchemy reflection cache

    - by OrganicPanda
    Hi all, I'm using sqlalchemy's reflection tools to get a Table object. I do this because these tables are dynamic and tables/columns can change. Here's the code I'm using: def getTableByReflection(self, tableName, metadata, engine): return Table(tableName, metadata, autoload = True, autoload_with = engine) The problem is that when the above code is run twice it seems to return the same results regardless of whether or not the columns have changed. I have tried refreshing using the mysession.refresh(mytable) but that fails because the table is not attached to any metadata - which makes sense but then why am I seeing cached results? Is there any way to tell the metadata/engine/session to forget about this table and let me load it cleanly?

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  • Linq-to-SQL- A stored procedure returns field which is not there in Mapped Table Info

    - by jalpesh
    We are using Linq-to-SQL with stored Procedures we need help on one of our problem. We are having user tables which is having all field required for user table like firstname,lastname and other fields that table is also there in our DBML files.Now the problem is that we are having a stored procedure that is mapped to table-User returning a field called fullname (Combination of firstname and lastname)which is not there in usertable. So what is the best way to slove this. Another thing is that one of other stored procedure return inner join of two tables with mix columns in this case how can i mapped that stored procedure with Table mapped info class in our dbml files.

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  • can symbolic links be used within App-V packages

    - by user765827
    We use the stats package SPSS through App-V however although it allows use of custom dialogs and macros, these must be placed in a sub folder within the app installation and so this means that users cannot add new macros. Is it possible to have an App-V package include a symbolically linked folder to point to a different place so that this remote folder could be updated easily without necessitating a rebuild and redeployment of the package? Thanks

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  • Is there a semantic difference <span>'s and <div>'s?

    - by DavidR
    I know when coding HTML, I'm supposed to keep semantics in mind, e.g., h1 needs to be a main header, h2 needs to be a subheader, tables need to be tables, use <em> for emphasis instead of <i>, etc. Is there a proper difference between divs and spans except one is a block and the other is in-line? When I was learning I was told that <span>'s were for styling text mid-line. If I had a small blurb of text that I needed positioned at a certain point in my webpage, one that doesn't warrent a <p> tag, would I use a span should I stick with div's? What if that text needs to cover two lines (i.e., it needs a width) if it contains nothing but text, what should I use?

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  • Insert values into dataset

    - by sudha.s
    Am using vb.net.Having dataset contain column name as phone .it contain set of phone number. i want to add 0 to each phone number and store it in another dataset. my code -------- cmd = New OracleCommand("select substr(PHONE,-10)as PHONE from reports.renewal_contact_t where run_date=to_date('" + TextBox1.Text + "','mm/dd/yyyy') and EXP_DATE =to_date('" + TextBox2.Text + "','mm/dd/yyyy') and region not in('TNP')", cn) ada = New OracleDataAdapter(cmd) ada.Fill(ds, "reports.renewal_contact_t ") Dim ds1 As New DataSet ds1 = ds.Clone() For Each q In ds.Tables(0).Rows phone = z + q("PHONE").ToString For Each q1 In ds1.Tables(0).Rows q1("PHONE") = phone Next Next my problem is am not getting values in ds1.Please help me to correct it.

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  • IIS, SSL, and Virtual Directories

    - by yodie
    I'm running a webserver on WS 2k3, IIS 6.0. Some of the content is on that server, but most is in a virtual directory linked to another server. Everything works (almost) fine when no SSL is used. However, when using SSL, I cannot access the files in the virtual directory. Instead I get a generic error 500. Any advice?

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  • Is INT the correct datatype for ABS(CHECKSUM(NEWID()))?

    - by Chad Sellers
    I'm in the process of creating unique customers ID's that is an alternative Id for external use. In the process of adding a new column "cust_uid" with datatype INT for my unique ID's, When I do an INSERT into this new column: Insert Into Customers(cust_uid) Select ABS(CHECKSUM(NEWID())) I get a error: Could not create an acceptable cursor. OLE DB provider "SQLNCLI" for linked server "SHQ2IIS1" returned message "Multiple-step OLE DB operation generated errors. Check each OLE DB status value, if available. No work was done. I've check all data types on both tables and the only things that has changed is the new column in both tables. The update is being done on one Big @$$ table...and for reasons above my pay grade, we would like to have new uid's that are different form the one's that we currently have "so users don't know how many accounts we actually have." Is INT the correct datatype for ABS(CHECKSUM(NEWID())) ?

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  • move data from one table to another, postgresql edition

    - by IggShaman
    Hi All, I'd like to move some data from one table to another (with a possibly different schema). Straightforward solution that comes into mind is - start a transaction with serializable isolation level; INSERT INTO dest_table SELECT data FROM orig_table,other-tables WHERE <condition>; DELETE FROM orig_table USING other-tables WHERE <condition>; COMMIT; Now what if the amount of data is rather big, and the <condition> is expensive to compute? In PostgreSQL, a RULE or a stored procedure can be used to delete data on the fly, evaluating condition only once. Which solution is better? Are there other options?

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