ORA-54002 when trying to create Virtual Column using REGEXP_REPLACE on Oracle 12cR2

I encountered an issue today trying to create a table in an Oracle 12cR2 database, the DDL for which, I extracted from an Oracle 11gR2 database. The error returned when trying to create the table was: ORA-54002: only pure functions can be specified in a virtual column expression The definition of …

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Step by Step Installing Oracle Linux 6.7 on Virtualbox

Tutorial Target Step by Step Installing Oracle Linux 6.7 on Virtualbox Version / Date 1.0 / Jan-2017 Required Software • Virtual Software like Oracle VirtualBox or VMWare Workstation. This tutorial tested on Oracle VirtualBox 5.0.12 • Oracle Linux 6 Installation Media. This tutorial was performed on Oracle Linux 6.7 Required …

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Installation Oracle Database 12C Release 2 (12.2) on Oracle Linux 6 (OEL6) and 7(OEL7)

This article describes the installation of Oracle Database 12c Release 2 (12.2) 64-bit on Oracle Linux 6 (OL6) and 7 (OL7) 64-bit. The article is based on a server installation with a minimum of 2G swap and secure Linux set to permissive. An example of this type of Linux installation can be seen here

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Download Facebook Lite Apk For Android Updated Today !!

Download Facebook Lite Apk

Facebook permits us to live updated and connected with our buddies and circle of relatives. It’s very smooth now to talk with somebody no matter; he lives in any area within the global. however, even facebook requires the internet connection and a good internet speed. Despite the fact that the …

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Download True Caller for PC/Laptop (Windows 8.1 and 10)


Truecaller! one of the fine cell programs ever produced or created for positive. The call Truecaller comes from the utility having the tendency to hint the genuine name of the Caller. Created with the aid of true software Scandinavia AB, “Truecaller” discovers touch numbers. It might be taking place to …

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Earn $100 A Day With Google AdSense

Make $100 per day

Incomes $100, $200 and even $250 per day with Google AdSense could be completed from a house or workplace. Normally many website owners are doing it. The one factor you need is planning, work, dedication, and keenness about your matter or area of interest. Earn $100 A Day With Google AdSense is true …

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7 Essential Tips to Secure Web Application Server


Guaranteeing web server security is likely one of the major considerations while you need to give the public a reliable entry and at the same time need to maintain suspicious persons out so we must know 7 Essential Tips to Secure Web Application Server. You could take into account the execution …

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SHA-1 Security Vulnerability Scan and How to Fix It

How to fix SHA1

How to check website SSL certificates if using SHA-1 and Fix it. SHA-1 (Secure Hash Algorithm) is a cryptographic hash function creates 160-bit hash worth and it’s thought of weak. it’s fairly fascinating to know as of May 2014 – there are 93 % of a website are susceptible to SHA1 on …

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