March 2014 Blog Posts (11)

Data Guard Broker installation,configuration,monitoring and deactiving


Oracle Data Guard broker software install with oracle database software and program bin file could find at $ORACLE_HOME/bin/dgmgrl location. Benefit of dgmgrl is most of the actions on primary/standby database can be done easyly through this tool, especilly switchover and managing primary/standby database.


When you are using the Broker to maintain your Data Guard configuration you must use…


Added by Bugra Canbakal on March 28, 2014 at 2:08am — No Comments

How to make automated Oracle 11gR2/12c installer for Linux CentOS and RHEL 6.5

 The text below is a step-by-step instruction - how to build full automated silent offline setup of Oracle11gR2 (or Oracle12c) on Linux (RHEL6.5 or CentOS6.5).

feel free to send comments and questions

 Oracle Data Base version: 11g Release 2 ( I used the Oracle Database patch set, release  (is a full installation of the Oracle Database software). …


Added by Eisen Stark on March 27, 2014 at 2:30am — No Comments

Sync the data between primary and archive database using dbms_comparison

Oracle 11g introduced a new function dbms_comparison, and you can use it to compare the data and structure between your primary database and archive database.

Currently I have a table called dbcopy_tables which simply has 2 columns, recovery_types and table_name and a dblink needs to be created on primary database pointing to archive database.

The following script can be use to sync the data between primary and archive database, currently I only handle table recovery type ALL…


Added by Gang Zhang on March 26, 2014 at 2:30pm — No Comments

Performance testing of Hive, Impala and esProc Part 2

In the previous article, we've tested the grouping computing. In this article, we will test their performances and compare their results in associating computing.
Associating computing test on narrow tables
Data sample:
Associated table …

Added by Jim King on March 25, 2014 at 2:42am — No Comments

Performance Comparison Testing three scripts: Hive, esProc, and Impala Part 1

Performance comparison within Hive, Impala and esProc in grouping

summarizing, and join computing.

Hardware environment

PC count: 4

CPU: Intel Core i5 2500 (4 cores)

RAM: 16G

HDD: 2T/7200 rpm

Ethernet adapter: 1000 M

Software environment

OS: CentOS6. 4

JDK: 1. 6

Hadoop/hdfs 2. 2. 0

Test Result

Hive 0. 11. 0

esProc 3. 1

Impala 1. 2. 0

Data sampling



Added by Jim King on March 18, 2014 at 12:33am — No Comments

Oracle GoldenGate 12c

Oracle GoldenGate 12c Silent Install

Starting with GoldenGate 12c, Oracle has moved the installation mechanism into the familiarOracle Universal Installer framework. It’s a good move not only in terms of the ease of use but also for the uniformity of the install process across all Oracle products. …


Added by Natik Ameen on March 3, 2014 at 9:30pm — 1 Comment




Added by Anar Godjaev on March 3, 2014 at 9:27am — No Comments

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Blog Posts

Do What You Do Best and Outsource the Rest

One of the most valuable assets of an organization, data lies at the heart of business. It impacts everything from customer service to email deliverability and ultimately revenue generation. If the data that you have is not accurate, it will have a direct impact on your company’s ability to meet…


Posted by Alvaro Dee on February 7, 2017 at 2:07am

Draw Actionable Insights and Make Better Decisions with Data Mining Services

Data Mining is the process of analyzing and extracting crucial information from a database and presenting the same in an appropriate way to help business cut cost and boost revenue. In simple words it is the process of drawing crucial and actionable insights, which is imperative for better decision making.

Data mining is crucial for effective management of your business. It is also used for verifying whether or not the strategies are going as planned so as to provide desired results.…


Posted by Alvaro Dee on February 1, 2017 at 4:02am

Attain Data Accuracy, Competitive Pricing, and Quick Turnaround Time by Outsourcing Data Entry Services

In order to focus on crucial business activities, organizations worldwide prefer outsourcing data entry services to reliable service providers. Though redundant but highly crucial, data entry still remains an important component of document management and requires vigorous quality checks. Outsourcing data entry tasks to experts ensures affordable and quality output while saving time and resources that can be…


Posted by Alvaro Dee on January 31, 2017 at 4:49am

Present and Exchange Documents Reliably With Portable Document Format

Are you having data in large volumes that needs to be converted from hard copy to PDF format? Can you imagine how much time it would take you to manually convert this data? Well, if you know, then what’s the point of putting in lot of efforts and time?

With the help of PDF data entry services, this task can be made a lot easier. Data entry experts can help you save time and efforts…


Posted by Alvaro Dee on January 25, 2017 at 3:38am

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