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• In-memory DB to perform intersects on set slices

  - by IanC

  I have a specific programming need where I need to efficiently store large sorted sets in memory, query them for ranges, and intersect them against other sets that are also queried for ranged. I am looking at Redis, but I can't see a range slice command. MongoDB can only use 1 index, so it has to perform row-level scans, whereas I wish to process…

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• Separating Db from business with Inherited classes using multiple views

  - by catalinux

  I have a software that has a car model that will be used in different views (listing, ads, detail page, carousel, up sell widget,etc). class CarModel extends DbModel{ } I look for a "nice way" (a combination of flexible, easy to maintain,etc) to have this used in views. I'm thinking at two different ways Having object views for each context…

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• EBS+DB????????????????????????

  - by Nishibu

  ????ORACLE MASTER Gold 10g Database ???? ORACLE MASTER Gold 11g Database?????????EBS R12?????????????????????????????????????Oracle E-Business Suite R12 Applications Database Administrator Certified Professional????????????????????EBS???????????????????????????????????????????????????????!??????????

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• ?Oracle DB 11gR2 ?????????????????????????????????????!

  - by Yuichi.Hayashi

  Oracle Database????????????????????????????????????????????????????????????????????????·?????????????????????? ?????????/?????????????????????????????????????11g R2??????????????! ????????? Oracle Database?????????????????????????????????????CPU????·???????????????????????????????????????????????? ??????????????????????????????????????????????…

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• ?Oracle DB 11gR2 ??????????????????????????????????????!

  - by Yuichi.Hayashi

  ??????????????????????????????????????????????????????????????(????????)?????????????????????????? ?????????????????????????????????? ???????????????????????????????????????????·????????????????????????????????????????????Oracle Database????????????????????????????????????????????????????????????????????????????? Oracle…

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• ???????/???DB??????·??????????11g R2???

  - by Yusuke.Yamamoto

  ????? ??:2010/09/15 ??:??????/?? 2010?2??????????????·??????????AskTom ??????????????????????????????????????·???????????????·??????·??????????????????? 11g R2 ??????????????????????????????????????????????????????????????????????????? Tom Kyte ?????????·??????·????"Top 10 things about Oracle Database 11g R2" …

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• OTN???DB???????????????·Oracle ACE????????????????!

  - by OTN-J Master

  ??????????? ???????????????????????????????????????? ????????????????????????”??????”??????????????????????????????????????????????????????????????????????????????????????(1)?????????????????(????????)?(2)?????????????????????(???????)????????????2??????????????????????????????????????????????????? …

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• Berkeley DB java edition, any LGPL or BSD alternatives in Java?

  - by Ali

  Hi All, I am dealing with a huge dataset consisting of key-value pairs. The queries are always in the form of range queries on the key space (keys are numbers) hence any persistent B-Tree like structure will handle the situation. I would like to use BDB-Java Edition but the product is closed source…

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• Combine 2 apps into one DB?

  - by coffeeaddict

  I'm debating whether to use the same DB for both my blog and my wiki. Since both are open source, and both install the required tables which is a very small number of tables for both apps, I'm thinking about just using one database to represent both sets of tables. Is this common and safe to do? …

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• Next step for Python app using Sqlite db

  - by ChrisC

  I want to write a db program in Python using Sqlite. I have the db table structure planned, and am ready to move to the next step, which I think is to work any bugs out of the db structure. I am totally inexperienced in development except for writing the original db (written in MS Access), and…

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• Berkeley DB: btree prefix comparison for directory-like keys?

  - by Mark Harrison

  I'm going to index a BDB with keys that look a lot like directory paths ('/foo/bar', '/foo/baz', etc, with levels of slashes generally < 10). Does anybody have any experience with using a Btree prefix comparison routine[1] for this? Are the savings worthwhile? Any references to experience…

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• Extending Zend DB Table to include BETWEEN and LIMIT.

  - by davykiash

  Am looking for how I can extend the Zend_DB_Table below to accomodate a BETWEEN two dates syntax and LIMIT syntax My current construct is class Model_DbTable_Tablelist extends Zend_Db_Table_Abstract { protected $_name = 'mytable'; $select = $this->select() …

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• insert array to mysql db function

  - by ganjan

  Hi. I have an array where the keys represent each column in my database. Now I want a function that makes a mysql update query. Something like $db['money'] = $money_input + $money_db; $db['location'] = $location $query = 'UPDATE tbl_user SET '; for($x = 0; $x…

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• CodeIgniter pagination with this->db->query

  - by cyberfly

  Hi all, How to use the codeigniter with $this-db-query() method? If i use active record class i would do like this: $query = $this->db->get('tb_cash_transaction',$num,$offset); $this->db->order_by("CURRENCY_ID", "asc"); Now i am using the $this-db-query() $query =…

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• bulk update/delete entities of different kind in db.run_in_transaction

  - by Ray Yun

  Here goes pseudo code of bulk update/delete entities of different kind in single transaction. Note that Album and Song entities have AlbumGroup as root entity. class AlbumGroup: pass class Album: group = db.ReferenceProperty(reference_class=AlbumGroup,collection_name="albums")…

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• Image size in DB?

  - by user1104916

  I made an application that store Item pictures (jpeg) in SQL Server DB, the use shot pictures with his camera (file size ~ 2 M), in my aaplication I check if picture.Width 800 or picture.Height 600, I resize the picture to 800x600. -- if I export picture from DB, the file…

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• having problems using Zend_Db_Table_Abstract::createRow()

  - by Gootik

  Hey, I have built a model that extends Zend_Db_Table_Abstract and I can't figure out why I can't use createRow(); here is my code: class Model_User extends Zend_Db_Table_Abstract { public function createUser() { $row = $this->createRow(); $row->name =…

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• Systems design question: DB connection management in load-balanced n-tier

  - by aoven

  I'm wondering about the best approach to designing a DB connection manager for a load-balanced n-tier system. Classic n-tier looks like this: Client -> BusinessServer -> DBServer A load-balancing solution as I see it would then look like this: …

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• php code in FTP to backup db using URL

  - by Giom

  I fund and inserted this code in my FTP in a backup.php that works great but it copy the file into the root folder (homez/) 1- I would like to put these backup files in a homez/backupDB any idea where to put this path? 2- the db backup files (DB.sql.bz2) have always the…

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• Error using maven profiles

  - by user3127896

  I've added two profiles to my application and that how it looks: <profiles> <profile> <id>dev</id> <properties> <db.username>root</db.username> …

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• export Postgres DB to mdb

  - by Aly

  Hi, I have a few DB's which I can access through pgAdmin 3, I have a piece of software that can only analyze .mdb files. does anyone know how to convert/export a postgres db to a mdb? preferably through pgAdmin 3? Thanks

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• Django, LDAP & 'NSS Certificate DB' unable to login

  - by Pepi

  I am trying to connect to a remote ldap server. After the authenticate(), the terminal asks me about a pin, password of pass phrase for security token 'NSS Certificate DB'. What is this? The LDAP server OS is CentOS. Django + django-auth-ldap In…

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• postmap: fatal: open database /etc/postfix/sasl_passwd.db: Permission denied

  - by James Benders

  Hi, I'm configurint Postfix to use external smtp. For this, I use the following tutorial: http://carlton.oriley.net/blog/?p=31 After following it, I found in the logs that /etc/postfix/sasl_passwd.db couldn't be read. The file didn't exist. I…

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• MySQL HA and Magento DB

  - by Raj

  Is it possible to use MySQL cluster for Magento DB? I have Web app developed in Magento E-commerce platform and I want to make DB highly available using the MySQL cluster. Magento supports only InnoDB database engine and MySQL HA uses it's own…

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• MOSS 2007 SP2 DB index maintanance

  - by Mike H

  I've read in the "About Service Pack 2 for SharePoint Products and Technologies" paper that SP2 includes an update for the Update Statistics Timer Job that causes SharePoint to run SQL Server's online index rebuild feature (p.4). I'm…

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