Posted
by Yang
on Stack Overflow
See other posts from Stack Overflow
or by Yang
Published on 2010-04-06T05:46:42Z
Indexed on
2010/04/06
5:53 UTC
Read the original article
Hit count: 366
in google's bigtable context, what does a commit log mean? and what is the use of a commit log?
© Stack Overflow or respective owner
as seen on Stack Overflow
- Search for 'Stack Overflow'
I know how to table in google BigTable.I have one doubt regarding this.what are all the datatype supported by google BigTable.
Thanks in advance
>>> More
as seen on Programmers
- Search for 'Programmers'
I have tried to design the datastore schema for a very small application. That schema would have been very simple, if not trivial, using a relational database with foreign keys, many-to-many relations, joins, etc.
But the problem was that my application was targeted for Google App Engine and I had…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
Sorry if this question is somewhat subjective. I am new to 'could store', 'distributed store' or some concepts like this. I really wonder what do they have in common and want to get an overview on all of them. What do I need to prepare if I want to write a product similar to this?
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
By what factor does the performance (read queries/sec) increase when a machine is added to a cluster of machines running either:
a Bigtable-like database
MySQL?
Google's research paper on Bigtable suggests that "near-linear" scaling is achieved can be achieved with Bigtable. This page here featuring…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
We are looking for a suitable storage engine for our weblog history data. We looked at Bigtable's paper and understand it is suitable to us well.
However, I also understand that Document-oriented-DB such as MongoDB seems to provide a little more powerful schema power -- i.e, it can model our data…
>>> More
as seen on Dot net Slackers
- Search for 'Dot net Slackers'
I recently downloaded Ideras SQL virtual database, and tested it. There are a few things about this tool which caught my attention.My ScenarioIt is quite common in real life that sometimes observing or retrieving older data is necessary; however, it had changed as time passed by. The full database…
>>> More
as seen on Oracle Blogs
- Search for 'Oracle Blogs'
To clone a database using Rman we used to require an existing Rman backup, on 11g we can clone databases using the "from active" database option.
In this case we do not require an existing backup, the active datafiles will be used as the source for the clone.
In order to clone with the source database…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
Hello,
I'm using cPickle to save my Database into file. The code looks like that:
def Save_DataBase():
import cPickle
from scipy import *
from numpy import *
a=Results.VersionName
#filename='D:/results/'+a[a.find('/')+1:-a.find('/')-2]+Results.AssType[:3]+str(random.randint(0,100))+Results.Distribution+"…
>>> More
as seen on SQL Authority
- Search for 'SQL Authority'
Snapshot database is one of the most interesting concepts that I have used at some places recently.
Here is a quick definition of the subject from Book On Line:
A Database Snapshot is a read-only, static view of a database (the source database). Multiple snapshots can exist on a source database and…
>>> More
as seen on Oracle Blogs
- Search for 'Oracle Blogs'
Database ??
Database ???????
Database ??????????
Java
WebLogic Server/????????·????
SOA/BPM/?????
???????/????
ID??/??????
?????EPM/BI
EPM/BI ???????
EPM/BI ????
OS/???
????
?????
MySQL
Database ??
????
??
?????????
???
??
ORACLE MASTER…
>>> More
