Hashing in Oracle
:
Hashing is but one of many cleverly implemented functions embedded in Oracle.
Learn all about it, what it is and how to use it.
Using Oracle 10g Tuning Utilities
:
Starting with 10g, Oracle introduced Advisors, which are part of the ADDM (Automatic Database Diagnostic Monitor) and run in the background. This article discusses some of the more common ADDM utilities used and how they can help troubleshoot and tune the database.
Row
Movement in Oracle : One of the relatively newer features in Oracle
concerns the moving of rows--but why would a row move and who or what controls
that movement? This article looks at three common cases or situations where row
movement needs to be enabled.
Using
SQL Developer to Learn Oracle : Oracle’s (free) SQL Developer 1.1
product is a tutorial, which includes a little bit about a lot of things in
Oracle. Read on to learn more.
Oracle
10g: Exploring Data Pump : Data Pump, an import/export technology for
fast data movement between databases, is a welcome addition to a DBA's tools in
a world that constantly redefines the size of the “large database”. Read on to
learn more about this new feature...
Oracle
10g Scheduler Enhancements, Part 2: Job Chains : The final article in
this series illustrates how an Oracle DBA can use the new Job Chain capabilities
of the Scheduler in Oracle 10g Release 2 (10gR2) to schedule and trigger
multiple interrelated and dependent tasks based upon specific yet complex sets
of processing rules.
Oracle
10g Scheduler Enhancements, Part 1 : Learn how to utilize several
enhancements added to the Scheduler in Oracle 10g Release 2 (10gR2) to create even
more complex schedules with the new schedule combination features, and how to
trigger a job based on an event in an event queue.
Using LogMiner
- Part 2 - Striking Out : Steve Callan investigates a scenario in which
LogMiner may or may not be able to recover data lost through user error.
Oracle 10g
DataPump, Part 2: Implementation : Oracle 10g's new DataPump is
designed as the eventual replacement for the Oracle Import and Export
utilities. This article - the second and final in this series - focuses on
using the DataPump's features in real-world scenarios, including creation of
custom DataPump jobs with DBMS_DATAPUMP.
Oracle 10g
DataPump, Part 1: Overview : Oracle 10g's new DataPump utility is
designed as the eventual replacement for the original Oracle Import and Export
utilities. This article - the first in a series - provides an overview of the DataPump's
suite of tools for extracting, transforming, and loading data within an Oracle
database.
Doing Data
Guard - Part 2 : Part two of this series picks up with step-by-step
coverage of preparing your environment for Data Guard.
Doing Data
Guard - Part 1 : Oracle Data Guard is a very useful tool to help
maintain high availability and to protect your data. It is not uncommon to see
'must have experience with RAC and Data Guard' in job postings. The purpose of
this series is to give you a little push to get up and running with Data Guard.
Automatic
SQL Tuning using SQL Tuning Advisor : Oracle Database 10g introduces
many useful and easy-to-use tuning tools and methodologies. In this article, we
will examine one of these new and improved features - SQL Tuning Advisor.
Oracle
and Pro*C - Part 1 : Pro*C is another one of those tools or features
from Oracle that keeps a low profile, quietly waiting its turn for you to use
it when the need arises. Learn where to get Pro*C, and how to configure the
environment.
Oracle
10g's Redo Logfile Sizing Advisor : Improperly sized redo logs can
impede the performance of your database and hamper recovery time in the event
of a database crash. Oracle has given us yet another advisory that helps us to
properly size redo logs, taking yet another tedious task from us.
Introduction
to Oracle 10g's New SQLAccess Advisor : If you have ever had a
difficult time tuning applications because you can never find the SQL or code
behind these applications, Oracle 10g's new SQLAccess Advisor, a new tool from
Oracle, is a must.
Instant
Client in Oracle 10g : Wouldn't it be nice if you didn't have to
install the full Oracle client software just to get connectivity to an Oracle
instance? Well, it's now reality with Oracle's new Instant Client software
offering.
Decrypting
Oracle's DBMS_OBFUSCATION_TOOLKIT : To secure sensitive data, Oracle
provides developers with the DBMS_OBFUSCATION_TOOLKIT, an industrial strength
version of the DBMS_RANDOM package. You may feel the need of a decoder just to
keep track of all the acronyms and to decrypt the errors in Oracle's sample
code, but once you see how easy it is to use, you'll be able to take Oracle's
code example and modify it for your own use.
Executing
External Programs From Within Oracle : Finally, Oracle 10g has given us
the ability to execute external programs from within Oracle. James Koopmann takes
a look at what needs to be done to expose this new feature.
If you have an interesting
column / article / short note etc., that you would
like to share with the rest of the DBA world, please
send it to webmaster@dbasupport.com.