Are there any reporting solutions that work on Linux? [closed] - sql

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Question:
I need a equivalent of Microsoft Reporting Service, that works on Linux.
Free or for cash. Of course preferably free.
Requirements:
WYSIWYG Report Editor (for developer, don't care if that part only works on windows)
Ability to dynamically generate reports from the web
Usage of one or multiple database types (like MySQL, PostGre, Oracle, ODBC)
multiple file formats support (including HTML)
support for graphs/charts
scalable
What are the possiblilities ?

Eclipse BIRT

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Can we use Oracle Database directly, without using tools [closed]

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I want to know is there any difference between Oracle and sql developer tools?
It depends on what you consider a 'tool.'
The database ships with a couple of command-line interfaces, SQLPlus and SQLcl. Those are both tools, they're not a part of the core database code.
You could also use web interfaces like SQL Developer Web, APEX, EM Express, or Enterprise Manager. Some of those ship with the Database, and EM Express runs out of the database, but those are kind of tools too.
You could write your own program to interact with the database, but you're going to use a JDBC driver or something that supports SQLNet...but then are those drivers, tools?
So my answer to you is, it depends on what you mean by 'tool.'
Can you use the database without SQL Developer, yes.

Visual SQL query Builder for Delphi 2010 and Unidac [closed]

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We are seeking a freeware or opensource Visual SQL Builder for Delphi 2010 and Unidac
We currently allow our clients to perform SQL against our application's database using a standard Memo field and peform button. We would like to enhance this functionality.
Any help would be greatly appreciated.
OpenQueryBuilder is the only one I know of. It's not really the best architecture and the license is a bit unclear. The original developer was a Borland employee, I don't recall the name but when I tried to track him down a few years ago to clarify the license he seemed to have been lost in time and space.

What persistence layer / database do the main GAME engines use? [closed]

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I have a keen interest in "embedded databases" like Berkeley DB, SQLite, eXtremeDB etc and am very curious as to what "databases" the major Game engines (or games in general) use to persist their data?
I would assume some of them use thier own "in house" persistence layers / databases.
Any ideas?
Most major game engines don't use any embedded database. They use config files or skripts with data instead.
IMHO embedded DBM for typical game engine is overkill.
Of course MMO-Engines use DB, but not embedded.

practising database queries (sql/tsql) [closed]

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I wish to refine my skills on t-sql (remote procedure calls etc) and making queries on DB's. I have a macbook and would like to know is there any software i can use to accomplish this? Ideally i would not like to install any software on this computer at all but if i have no choice then so be it.
I highly recommend SQL Fiddle. You can create schemas on many types of DB (different versions of SQL Server, MySql, Oracle etc.), practice writing queries, and even send the link to people so they can practice on the same schema/example data as you.
Here is a place where you can practice making queries without installing software.
http://sqlzoo.net/

What are recent advances in relational databases? [closed]

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I'm wondering what are recent advances in relational database theory and related domains? I'm interested in new approaches, query languages (alternatives to SQL and/or extensions to it), products (proprietary and open source, though I'm much more interested in open source) and research projects developed in last years.
I am not versed in the subject but there was a very nice project based on XML structures over RDB that caught my eye a few years back and now seems to work perfectly.
Have a look at http://exist.sourceforge.net/ to see a nice approach to RDB used to build a more flexible storage system with XQuery as the query language. You should like it, it's open source.