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Re: [MonetDB-users] Pictures
by Erick Hays 24 Jul '07

24 Jul '07

Hello! I am bored today. I am nice girl that would like to chat with you. Email me at onauz(a)imailmessage.info only, because I am writing not from my personal email. Wanna see some pictures of me?

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[MonetDB-users] 怎样才能使产品更具市场竞争力
by 艾尔产品设计 22 Jul '07

22 Jul '07

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[MonetDB-users] Introducing the Merovingian: a MonetDB 5 database keeper
by Fabian Groffen 21 Jul '07

21 Jul '07

Hi all, I'd like to bring a little program to your attention that may or may not be useful to you: merovingian. Merovingian is meant as end-user program to start and stop one or more MonetDB databases. The program allows itself to be naturally used into start and stop scripts, as well as manual use from the console. It is aimed at MonetDB5/SQL users. In short, merovingian performs two basic tasks: 1. handle connections from clients and redirect those connections to the appropriate mserver process, and 2. start an mserver process in case it is not running (any more). Currently, an appropriate mserver process is defined by the database a client requests for. Since each mserver process only serves one database, multiple mserver processes are necessary to deal with multiple databases. Because merovingian can start mserver processes on demand, it has the potential to (attempt to) restart an mserver after it has crashed. Since merovingian will (currently only) start mserver processes, output of those processes might get confusing, especially when multiple servers are started. Also, interacting with them is non-trivial. For this reason, merovingian starts mserver processes as daemon processes in the background and catches their outputs to display it in a log-like fashion. Distinction is made between messages and errors. Not surprisingly both outputs can be written to a logfile on disk or just outputted to the console. An example output on the console would look like this: % merovingian demo MSG merovingian[30160]: Merovingian 0.3 starting ... MSG mserver5[30162]: executing 'bin/mserver5' for database 'demo' MSG merovingian[30160]: monitoring dbfarm var/MonetDB5/dbfarm MSG merovingian[30160]: listening for connections on pegasus.ins.cwi.nl:50000 MSG merovingian[30160]: starting database 'demo' ERR mserver5[30162]: #warning: please don't forget to set your vault key! ERR mserver5[30162]: #(see etc/monetdb5.conf) MSG mserver5[30162]: # MonetDB server v5.1.0, based on kernel v1.19.0 MSG mserver5[30162]: # Serving database 'demo' MSG mserver5[30162]: # Compiled for x86_64-pc-linux-gnu/64bit with 64bit OIDs dynamically linked MSG mserver5[30162]: # Copyright (c) 1993-2007 CWI, all rights reserved MSG mserver5[30162]: # Visit http://monetdb.cwi.nl/ for further information MSG mserver5[30162]: # Listening for connection requests on mapi:monetdb://127.0.0.1:50001/ In this example merovingian was requested to start database demo upfront, without waiting for a client to ask for it. Without the demo argument, merovingian waits for connections that ask for a database and starts it at that time. An arbitrary number of databases can be given as "pre-start" arguments. Pre-starting databases can be important when clients are used that do not request for a specific database. In such case, the client is redirected to the first database that is running at that moment. Please look at the Merovingian section in the etc/monetdb5.conf file for more options for merovingian. The section is still small, but it might grow. Merovingian is available in the development branch (CVS head) of the MonetDB5 repository. Feedback is welcome.

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[MonetDB-users] Post
by Emery Chen 21 Jul '07

21 Jul '07

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[MonetDB-users] (no subject)
by Frederik 20 Jul '07

20 Jul '07

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[MonetDB-users] Quality mortgages at low rates
by Kenton Emerson 18 Jul '07

18 Jul '07

Thank you for your loan request, which we recieved yesterday. We'd like to inform you that we are accepting your application. We are ready to give you a $272,000 loan (Approved refinance) for a low month payment. Approval process will take only 1 minute. Please visit the confirmation link below and fill-out our short 30 second form. http://lnuqtss.com

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[MonetDB-users] Failed to load Main-Class manifest attribute
by Terrence Brannon 18 Jul '07

18 Jul '07

I'm trying to run the VOC example, but the jar file does not load: Administrator@LIFEBOOK /cygdrive/c/Program Files/CWI/MonetDB5/share/MonetDB/lib : ls -l total 304 -rwx------+ 1 Administrator None 170548 Jun 13 10:45 jdbcclient-1.6.jar -rwx------+ 1 Administrator None 136449 Jun 13 10:45 monetdb-1.6-jdbc.jar Administrator@LIFEBOOK /cygdrive/c/Program Files/CWI/MonetDB5/share/MonetDB/lib : java -jar monetdb-1.6-jdbc.jar -u voc Failed to load Main-Class manifest attribute from monetdb-1.6-jdbc.jar

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[MonetDB-users] Connection pooling and Aliased columns not recognized..
by Chew Yee Chuang 16 Jul '07

16 Jul '07

Hi, I'm trying to using connection pooling in MonetDB (version 5) via Apache Commons-dbcp, but there is some error during the connectrion to MonetDB, message that I get from log file is as the following : Caused by: org.apache.commons.dbcp.SQLNestedException: Cannot get a connection, pool exhausted ...... Caused by: java.util.NoSuchElementException: Could not create a validated object, cause: writable mode not supported ... 64 more Can anyone show me the correct way to implement connection pooling with MonetDB ? Or it is not supported in the current release of MonetDB ? Beside, I also found that the aliased columns not recognized after "group by... order by", my SQL statement could as the following... SELECT name AS n FROM students ORDER BY name; And the error message I get was ORDER BY: no such column "name". Im very new to MonetDB, and wants to used it with Modrian OLAP for reporting purposes, I really appreciate any help in this. Thanks No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.467 / Virus Database: 269.7.6/815 - Release Date: 5/22/2007 3:49 PM

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[MonetDB-users] Fwd:
by Lake 15 Jul '07

15 Jul '07

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[MonetDB-users] But there are some cities whose name seem quite different in translation.
by Flora 15 Jul '07

15 Jul '07

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