UKOUG Nothern Technology Summit

northerntech17-com-600x110-cfp-v1

Here at the UKOUG, we’ve just announced that we will be holding a 1-day UKOUG Northern Technology Summit in the North of England on the week commencing 16th April 2018.

We have not finalised the location yet, but it will be in either Manchester or Leeds.

This is a 5-stream 1 day event, with around 30 talks! We’d call it a conference – it’s bigger than some European national conferences! – but we don’t want (more...)

HrOUG – The Croatian Conference

Arriving on Tuesday afternoon, directly from the Slovenia Conference and it’s straight into the 3rd Autumn conference! Conveniently, Slovenia and Croatia are timed together and are held within a little over 1 hours drive (plus a 15 minute boat ride!) apart. Well done on that one guys!IMG_1892

A quiet beer as many speakers and delegates wait at the docks for the boat to arrive, and I seem to be timing these sunsets well!IMG_1795

Wednesday (more...)

SiOUG – The Slovenian Conference

So October came around and it was time for my second and third conferenced of the autumn season.  I had been kindly select to do 2 talks at this Slovenian User Group, but a last-minute problem with another speaker meant I found myself giving 3 talks in 2 days. Excellent fun!IMG_1728

 

I arrived in lovely Portoroz just as the sun was setting, with what seemed like most of Slovenia leaving the coast on (more...)

ezyconnect error ORA-12504

[premiadb:oracle:oradb]$ sqlplus apps@”ebsuat.xxxx.com:1586/ebsuat”

SQL*Plus: Release 12.1.0.2.0 Production on Mon Sep 11 11:04:08 2017

Copyright (c) 1982, 2014, Oracle. All rights reserved.

ERROR:
ORA-12504: TNS:listener was not given the SERVICE_NAME in CONNECT_DATA

Cause :

Syntax issue

Solution :

[premiadb:oracle:oradb]$ sqlplus apps@\”ebsuat.xxxx.com:1586/ebsuat\”

SQL*Plus: Release 12.1.0.2.0 Production on Mon Sep 11 11:04:30 2017

Copyright (c) 1982, 2014, Oracle. All rights reserved.

Enter password:

Connected to:
Oracle (more...)

UKOUG RAC SIG, September 27th

There’s a UKOUG RAC SIG on the 27th of September in London.

There a range of great speakers talking about topics from the new RAC Domain Clusters, 12.2 Upgrading, Patching Exadata, and much more.

It’ll be great, it’s true! See you there…


Filed under: Administration

Löschung von Oracle Komponenten

Da ich mich selbst schon mehr als einmal darüber geärgert habe, wie schwer es ist, solide Aussagen über die Deinstallation von Oracle-Komponenten zu finden, finde ich die entsprechende aktuelle Artikelserie von Mike Dietrich extrem nützlich. Darin erläutert der Autor, was man in 11.2 und 12.2 tun muss, um folgende Komponenten zu entfernen:
  • APEX
  • OWM (Workspace Manager)
  • DV (Database Vault)
  • OLS (Label Security)
  • SDO (Spatial)
  • CONTEXT (Text Indizes)
  • ORDIM (Multi Media)
  • XOQ (OLAP API)
  • (more...)

EnterpriseDB Summerschool 2017

I have been meaning to write a lot of posts, meanwhile. With the new challenges, and all, it just hasn’t happened.

But!!

although I don’t tend to do much advertising here, I really do need to share this (unique) opportunity,

I (and my other colleagues across EMEA) really want to meet you and share some of the knowledge on EDB Postgres with you. Especially targeted at Oracle DBA’s!
It will cost you one day and (more...)

Hey JAVA-developer, why don’t you love your database

Why this post?

Partly, this blogpost is a result of a promise to Lukas Eder. Basically my vision adheres quite nicely to the “Thick Database” driven by Bryn Llewellyn and Toon Koppelaars who, understandibly, drive this from an Oracle perspective.
It –more than of course- also nicely fits EnterpriseDB or even vanilla PostgreSQL database landscapes.

There is apparently still so much confusion in the world on the how, why and what of (more...)

Containerization, do we need container-carriers?

In maritime logistics containers and container carriers are not really new.

Sitting in the plane, the following thoughts occurred to me…

In fact, containers in IT are a concept which is 1-on-1 derived from these physical containers.
We have seen and read many good and informative blog-posts and presentations about this. Obviously there is a lot of confusion about this as well. In my opinion you should be careful to mix and match too intensively. (more...)

Oracle Database 12c Release 2 – Long Identifiers

Prior to Oracle Database 12c Release 2 have a problem with long identifier name, for example, in 11.2 version you cannot create long name (max 30 Bytes) tables.  As you see, from screenshots length of table name column is maximum 30.

Creating table with long name

Table Name Column size 30

In Oracle Database 12c Release 2 changed the length of identifier names, and this change depends on the COMPATIBLE initialization parameter. Documentation says:

If (more...)

Oracle Database 12c Release 2 – SQL*Plus History Command


As you know that we can repeat our previous SQL*Plus commands in Windows CMD. But in UNIX based systems not supported command line history of SQL*PLus.  For this reason in UNIX and Linux, we used rlwrap utility to see the SQL*Plus command line history and quickly recall previous SQL*Plus commands.

With seconds release of Oracle Database 12c coming SQL*Plus history command for the history of the command line in Linux.

I want to share some example for this (more...)

OTN EMEA Tour 2017 Baku

OTN EMEA Tour 2017 took place.

Our city Baku also included this tour this year also. We (board of Azerbaijan Oracle User Group) organized the biggest event at Baku  (Park in Hotel) by sponsored Azercell Telecommunication Company. This year 3 Oracle ACE Director  Bjorn Rost (Germany), Gurcan Orhan (Turkey), Heli Helskyaho (Finland) and an Oracle ACE Rene Antunez (Mexica)  are our guests. Attendees of our event listened very interesting Oracle technical topics at the event.

Here is (more...)

Online Index Rebuild Problem in 12C

When building an index in Oracle Enterprise edition using the keyword “ONLINE”, if the index build fails for whatever reason a messy set of extents can get left behind.

In Oracle 12.1 there’s a new job to help with this: “SYS”.”CLEANUP_ONLINE_IND_BUILD” which ticks away, undocumented, in the background cleaning up “rogue” extents once an hour, every hour (start time based upon job creation time)However, if I run a CREATE INDEX … ONLINE command (more...)

GoldenGate unsupported types

identity
When using GoldenGate there are few rules which need to be followed, and a very small number of unsupported datatypes. This is the excerpt from the GoldenGate 12.2 manual:

 

 

1.6.10 Non-Supported Oracle Data Types
Oracle GoldenGate does not support the following data types.

 ANYDATA fetch-based column support for data types with VARRAYS that do not include named collections and VARRAYS embedded within those data types
 ANYDATASET
 ANYTYPE
 BFILE
 MLSLABEL
 ORDDICOM
  (more...)

Getting Started with GoldenGate

Not a blog post, but a link to my article in the UKOUG quarterly magazine OracleScene – great publication with some fab articles.

Enjoy!


Filed under: Administration

Enable DDL logging

Enable DDL Logging:

ENABLE_DDL_LOGGING enables or disables the writing of a subset of data definition language (DDL) statements to a DDL log.

SQL> show parameter enable_ddl_logging

NAME TYPE VALUE
———————————— ———– ——————————
enable_ddl_logging boolean FALSE

SQL> alter system set enable_ddl_logging=TRUE scope=both;

System altered.

SQL> show parameter enable_ddl_logging

NAME TYPE VALUE
———————————— ———– ——————————
enable_ddl_logging boolean TRUE

SQL> select value from v$diag_info where name=’ADR Home’;

VALUE
——————————————————————————–
/premia/app/12c/oracle/diag/rdbms/oradb/oradb

SQL>

SQL> select value from v$diag_info where name=’ADR (more...)

Listener Exception : Could not create listener: TNS-04414: File error

When I tried to add listner using netca for my test database, I am getting below issue

“Listener Exception : Could not create listener: TNS-04414: File error’

It could be possible ” Listener file having some wrong entries, so you need to check” or renaming current listener and tried to add (Here Please be note, your current listener configuration will be removed).


#Oracle cutting in inspiration and new business?

Over the many years Oracle has been leading the database world, I guess they are now taking something of a wrong turn.
Let me briefly fill you in on my thoughts.

Basically I see two “minor” shifts that are significantly indicative of this:

  1. Oracle Standard Edition 2
  2. Oracle ACE Program

Okay, so you might think I am crazy, but let me try to explain.

Oracle Standard Edition 2

Sometime last year, the long expected, (more...)

Oracle Database 12.2 New Features (Part I) – Application Express

As you know, Oracle Open World 2016 conferences continue at San Francisco (September 18-22, 2016).

At keynote Session, Larry Ellison (CTO of Oracle Corporation) annoucemented the Oracle Database Exadata Express Cloud Service on new database version 12.2. Here is released cloud documentation

There have very interesting little guide for new features of Oracle Database 12c Release 2.
Why littel , because it is not all features of Oracle Database 12c Release 2, have more interesting (more...)

OTN Article: Oracle Database 12c: "Colección automática de estadísticas para cargas masivas"

Oracle Technology Network continue publish our article. My next article published OTN Latina in Spanish language.



You can read this article at : OTN Latina
Oracle Database 12c: "Colección automática de estadísticas para cargas masivas"


You can read this article also in English : http://otechmag.com/magazine/2015/winter/mahir-m.-quluzade.html


My special thanks my friends Joel and Sebastian ! 

Best Regards
Mahir M. Quluzade