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When I was a student we studied Oracle Database 10g: SQL and PL/SQL textbooks. At that time I asked the lecturer if I can take lab files. And he told me that they are freely available at Oracle website. But now I can't find them. I mean a filled database. At that time it contained data about King, Kochar, De Haan etc and about their departments.
Any Oracle version would suit. 10g would be fine. And newer filed would be ok as well.
Thank you in advance.
you can install the sample schemas when you initially create the database or you can install them afterwards if the database already exists.
First you can try looking in $ORACLE_HOME/demo/schema/. The sample schema install scripts should be in there.
If you need to download them from Oracle, head to their website under the Downloads section for Oracle Database, and select the version and platform you are using currently. The example schemas are in the Oracle Database Examples zip file.
There should be similar instructions for each version, but the link to 11g is below.
Oracle® Database Sample Schemas 11g Release 2 (11.2)
http://docs.oracle.com/cd/E11882_01/server.112/e10831/installation.htm
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I am using Oracle SQL Developer, I connect to my friend's DB and use it. Now I want to have a copy of this DB on my own PC to change it and test something. I installed Oracle. now how I can do this?
You can make use of Oracle Datapump.
Note. Oracle uses the term "schema" where for example mysql uses the term "database".
At your friend site:
expdp userid=system directory=DATA_PUMP_DIR dumpfile=myschema.dmp logfile=expdp_myschema.log schemas=MYSCHEMA
At your site:
impdp userid=system directory=DATA_PUMP_DIR dumpfile=myschema.dmp logfile=impdp_myschema.log
Best of luck,
Bjarte
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Do you know if there out there a free Oracle Data Provider for entity framework 6?
I could only get the Devart one, but it has a paid license.
I need this, since we are working with an Oracle db with boolean properties map as char(1) and EF5 does not support this kind of feature.
Thanks in advance
I don't think there currently there an Oracle provider for EF6 from Oracle but DevArt has shipped an EF6 compliant provider. See this blog post for more details. Make sure to download the latest version (the post is dated a bit). I tried their EF6 provider for MySQL and it worked so I assume the Oracle one will work too.
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I'm having a little hard time using the SQL Developer, like when doing lengthy scripts and there's an error somewhere, I have to go at most line by line searching the error. I recently shifted from Toad since it is not a free software anymore. Do we have have any open sourced free alternative to SQL Developer?
All of these tools rely on Oracle for information on the location of an error. If you don't get that information in SQL Developer then you're not going to get it from another.
Well, if you only need a software that will check your query for errors, and that the error will be pointed out by line, personally I'm using this site. I have been using it to check the errors line by line.
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I am a 3 year experienced software developer with fairly good TSQL knowledge in SQL Server. I am looking for expanding skill to Oracle also. What all things I should learn to say confidently thaty 'I know Oracle'?
Any free online certification available?
Pease share your thoughts..
Thanks
Lijo
Assuming you want to expand your Oracle application development skills (and not your DBA skills) you could look at gaining the 1Z0-047 Oracle Database SQL Expert certification. A good study guide for this is OCA Oracle Database SQL Expert Exam Guide: Exam 1Z0-047. I used this in combination with the Oracle 11g SQL Reference to pass 1Z0-047.
Working with Oracle in production for a couple of years will also help you to expand your Oracle skills.
As an introduction to essential Oracle concepts and techniques have a look at Expert Oracle Database Architecture: 9i and 10g Programming Techniques and Solutions by Tom Kyte.
As to "free online certifications", I'd not bother with those (if any).
They have no value, are impossible to verify that the person claiming to hold them actually does and are not recognised by pretty much anyone.
At best they could serve as practice for the real exams, at worst they'll give you a bad impression about your skills (as they may well have bad questions requiring factually incorrect answers).
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I have a new project working with an existing oracle database. I've always been a SQLServer guy, so first time with Oracle.
Any recommendations for a SQLServer Management Studio type app for Oracle?
I would start with Oracle SQL Developer. It's a client app so you can see your tables, run queries, etc. It's free, fast and will get you started.
(It's not as good as toad, of course)
toad
You can also use pl/sql developer: http://www.allroundautomations.com/plsqldev.html?gclid=CJLCqNrIz5kCFYQ-3godM3Pmug
I personally like Toad the best but I know many people who prefer SQL Developer. Definite pros and cons to both but like a lot of things it comes down to what you are used to. I haven't used the freeware version of Toad much but I've heard it's somewhat lacking. In my opinion, if you have money to spend go with Toad, if you are looking for something for free go with SQL Developer.