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I am trying to learn Oracle SQL with the help of the book 'Oracle SQL by Example' and it recommends that I download Oracle 11g to be able to take full advantage of what the book has on offer when it comes to practising the skills I learn.
However, Oracle's website seems not to offer 11g for Mac and I cannot find a link to 10g that is still valid (or, indeed, that doesn't dead end at the Oracle website). Does anyone have any suggestions. Thanks.
The simplest route might be to install VirtualBox and one of the pre-built VM images Oracle provides. It's simpler to get started than having to navigate the database software installation and DB creation, if you aren't interested in those aspects at the moment.
The Database App Development VM gives you a pre-installed database, plus SQL*Plus and SQL Developer to run examples and your own code as you learn.
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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.
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I'm a beginner level RDBMS student. I need to manage and test SQL commands on one database on my laptop (localhost).
I see 'Oracle Database Standard Edition 12c' (2.6 Gb) in the download section. So, is it free or does it need licensing?
Oracle has a version called Oracle Express which is, in fact, free.
You can download it from here: http://www.oracle.com/technetwork/database/database-technologies/express-edition/overview/index.html
From its webpage:
Oracle Database XE is a great starter database for:
Developers working on Node.js, Python, PHP, Java, .NET, XML, and Open
Source applications
DBAs who need a free, starter database for training and deployment
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Could anybody suggest me a visual tool for oracle database architecture. I have used mysql workbench for mysql server. I am trying to find out same kind of tool for oracle database.
If you mean tools that include a graphical query builder you should have a look at the following tools:
Toad (there is a freeware version, but I am not sure if it contains enough for you)
SQL Developer (free)
There are other options out there, but I would say that these two are by far the best ones you can get for oracle development.
If you meant tools to create a database (so a graphical tools that shows you a diagram of the database and generates SQL scripts from it) you should have a look at:
Toad Data Modeler
Dezign
SQL Developer Data Modeler
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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/
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We have a need to have a datastore of some form that has the following properties.
Relocatable, local or remote systems.
Capable of multiple readers/writers, new queries should contain updates.
De-centralized, no server would be required.
Capable of holding at least 16 Mb of data.
SQL CE seems capable, but I'm not sure I'd understand what technologies would go into integrating such a solution as I don't really have an SQL background.
Is there anyone that has tackled a problem like this? what solutions have worked for you?
For point #1, do you want to be able to access the SQL CE database remotely on a share? If so I do not believe you want to do this as CE is not targetted for this. See this link for some details. I think it would be fine for the other 3 items if I am understanding you properly.