0
votes
1answer
194 views

Using JDBC to asynchronously read large Oracle table

What strategies can be used to read every row in a large Oracle table, only once, but as fast as possible with JDBC & Java ? Consider that each row has non-trivial amounts of data (30 columns, ...
1
vote
1answer
228 views

Who is responsible for updating the Java API and how can other individuals contribute?

I made a search on google to find out who are the people in Oracle responsible for updating the Java API in other words who are those responsible for adding new classes and methods to the API and ...
2
votes
1answer
240 views

Is this Java Compiler error message incorrect? (byte loss of precision)

The following IMHO valid java program doesn't compile because the Oracle 1.7 javac compiler thinks there's a possible loss of precision in lines 5 and 6. If you uncomment line 3 and comment out line ...
2
votes
1answer
197 views

Sorting rows off an autoincrementing primary key

Is it a bad practice to rely on an auto-incrementing primary key to sort rows in a table? A coworker and I were having an argument about this subject. We need to be able to find the last-inserted row ...
2
votes
1answer
2k views

is Oracle ADF Mobile free? and what is it's usage scope? [closed]

I would like to know whether Oracle ADF Mobile is free to use for someone who doesn't have the (expensive) ADF license, and what if I want to talk to a backend (web service), do I need Weblogic? ...
5
votes
4answers
5k views

Is there a recommended order to take the Oracle Java EE certification exams?

I recently passed the Oracle Certified Professional, Java SE 6 Programmer examination. Now, my boss would like me to take "the next step" to broaden my competence. I tried to explain that there is no ...
1
vote
2answers
254 views

Oracle has some very helpful and free code…I think

I found that some of the code that Oracle uses is very useful so I don't have to re-invent the wheel. Given this is at the top of the file where the code in question is: /* * Copyright (c) 1997, ...
6
votes
3answers
409 views

Materialized View vs POJO View based on Objects representing Oracle tables

I have about 12 Oracle tables that represent data that's being integrated from an external system into my web application. This data is going to be used in an informational and comparative manner for ...
5
votes
2answers
508 views

License of current JDK

I am wondering which license the current JDK 7 (NOT the OpenJDK) is using as I know it was once under GNU GPL but with the change of the Distributor License for Java I would like to know whether they ...
7
votes
3answers
463 views

Who is responsible for the development of Java?

When I google about Java, the companies most mentioned are Sun, Oracle and IBM. I know that Oracle bought Sun, and the Java official website is Oracle domain, so I can assume that Oracle is the ...
4
votes
3answers
721 views

Middle tier language for interfacing C/C++ with db and web app [closed]

I have a web application requiring a middle-tier language to communicate between an oracle database and math routines on a Linux server and a flex-based application on a client. I'm not a software ...
5
votes
5answers
354 views

What is a good way to reset the Primary Key?

We've hit an application issue with an Oracle table Primary Key exceeding the limits used by a Java Integer (2 ^ 32) and one of the suggestions is to reset this to 1000 and let it start again. OR ...
14
votes
1answer
788 views

What is Oracle's commitment to Java? [closed]

We are investing heavily in Java, but after recent experiences and reading Joonas' response on that question: Had you used those flags in Java 6, you could have experienced not only crashes, ...
7
votes
3answers
627 views

How safe it is to do minor JVM upgrades?

I have been working on the JVM for years and I have very rarely experienced a JVM crash ... that is until approx 6 months ago. Since that I have experienced approximately 5 JVM crashes resulting ...
0
votes
3answers
676 views

Oracle Java SE Certification [closed]

Which exam(s) should be given for Java certification from Oracle. is Oracle 1Z0-851 exam old SCJP ? Recommend book which covers Oracle 1Z0-851 exam?
3
votes
2answers
3k views

Java stored procedures in Oracle, a good idea?

I'm considering using a Java stored procedure as a very small shim to allow UDP communication from a PL/SQL package. Oracle does not provide a UTL_UDP to match its UTL_TCP. There is a 3rd party ...
6
votes
3answers
4k views

Oracle owns Java but Google is using Java?

Ok, I don't get it. What does "Oracle owns Java" mean? Google is definitely using Java in Google App Engine, does that mean that Google have to pay Oracle for doing so?
2
votes
3answers
310 views

Free/low-cost online resources to study for certifications [closed]

So I am interested in working towards are few specific certs. Namely Oracle 11g, MySQL, and Java. I know there are tons of books out there, and I do plan to hit up my local library on these subjects ...
4
votes
3answers
2k views

Changing my Sun SCJP certification to an Oracle one?

I hold a Sun SCJP from ten years ago or so. At first it was supposed to be a temporary certification (valid for a few years, I don't remember exactly: all I remember is that I had an expiration date ...
14
votes
5answers
896 views

Some advice concerning Oracle and Java

I've seen the news yesterday that Java 7 and Java 8 passed but the majority weren't very happy. Can anyone clarify what consequences does this have on Java and the community ? What licenses did Oracle ...
17
votes
10answers
2k views

Will Java be dead if the split into free/premium JVM happens? [closed]

According to http://www.theregister.co.uk/2010/11/06/oracle_dueling_jvms/ there is a possibility that Oracle really will kill Java split Java into Free and Premium JVMs. My Questions Do you think ...