NeilZhang

Got my passport again — with Student Visa

Although I knew my Student Visa had been approved, I did not get my passport last week. Last day was my lucky day because I finally get my passport again, with the Student Visa.So the first step h...

18/08/2016Life114 viewsComments

Big ambition — want to translate the famous ‘Oracle Core’

To accelerate my reading speed, I bought a translated book of 'Oracle Core - Essential Internals for DBAs and Developers', while I found many times I had to read the original English version to know s...

20/04/2016Life151 viewsComments

SPFILE in RAC environments

Shared SPFILE is recommended strongly in RAC environment, and I want to tell you the reason in this post.The test environment is Oracle 12c 12.1.0.2, and the installed PSU is 21948354. SQL> se...

16/04/2016Oracle333 viewsComments

Dangerous behavior of ‘create spfile’ in 12c RAC

These days I was testing some commands of the system parameters and the PFILE/SPFILE, and unfortunately, I encountered a really bad bug in my test environment.My RAC DB is 12.1.0.2.0, and I did be...

11/04/2016Oracle1,311 viewsComments

Job hunting in Auckland

I should write more things about my travel in New Zealand, but currently let me talk about the job hunting first.Yesterday I began to send my resume out to four companies, and now I got no informa...

08/04/2016Life134 viewsComments

Keep Alive Setting in Oracle DB Server and Client

In our daily work, one popular question is how to keep our session alive, especially for Oracle session.I know there is a parameter named sqlnet.expire_time in the sqlnet.ora for such function in ...

14/03/2016Oracle3,400 viewsComments

Someone cracked my test machine

I built a test environment in my MicroSever Gen8, while these days I found some strange things that one server would upload lots of data to some sites and consumed all of my upload bandwidth.I tri...

25/02/2016Life137 viewsComments

Failed today

Today I failed the test, while I thought it is good for me.I didn't prepare well for the test, and the timeline was too urgent for me. I tried to learn all the things but in fact I almost lost all t...

25/02/2016Life101 viewsComments

Know something about Flex ASM

After several days I finally learned that the Flex ASM could just worked in a cluster.When I first got this feature, I tried to build two servers, one is DB server, and another is ASM server, and wa...

17/02/2016Oracle133 viewsComments

Have to postpone the test of 1Z0-068

Need more time to learn the RAC administration, and more practices to master it, so have to postpone the test to Next Wednesday.Hope I can pass it successfully....

15/02/2016Oracle219 viewsComments

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