April 2013 Blog Posts (5)

My experience with ORA-07445: exception encountered: core dump [kglic0()+1086]


Oracle defines the ORA-7445 as an unhandled exception error that could be result of an Oracle bug. The ORA-7445 errors depend on the version of the Oracle software, OS version.

For more details about the error, you need to check the trace files generated. The ORA-7445 exception generates a trace file located under the CORE_DUMP_DEST directory for oracle versions prior to 11g and under the ADR Home / cdump (Automatic Diagnostic Repository) for 11g…


Added by Wissem EL KHLIFI on April 22, 2013 at 1:54pm — No Comments

A Quick Tour to Oracle Database Integrity Constraints, Their Applications, and Types

The fundamental requirement of Data warehousing and business intelligence systems is to keep data consistent and accurate throughout its lifecycle. Data stored in these systems must adhere to some business rules that dictate how particular segments of data relate and meet some set of predefined conditions. Data Integrity refers to maintaining such guidelines in order to ensure correctness of data. This is an…


Added by Mark Willium on April 16, 2013 at 9:31pm — No Comments

Why the spreadsheet is still ruling the BI world?

"BI is not an upgrade to the spreadsheet", "Stop trying to use spreadsheet as the BI tool" - BI vendors are frequently heard to make such comments. People may thus assume that the spreadsheet is on the decline, and feel embarrassed by their Microsoft Excel, RaqSoft esCalc, LibreOffice Calc, and OpenOffice Calc tools…


Added by Jim King on April 10, 2013 at 10:42pm — No Comments

Add a new disk to asm diskgroup


In this article i am going to explation how to add new disk to the diskgroup which used by database.Before starting i wanted to give some informations about our steps. In this practice we had got a disk named DISK4 and this isnt belong to single diskgroup.First of all i am going to check the stability of DISK4, if disk success i am going to create a different diskgroup and try to add it there.If this step also succeed we are going to add this disk…


Added by Bugra Canbakal on April 2, 2013 at 8:40am — No Comments

Installation of Logical Standby


At another article of mine ,I explained  installation of Physical standby and this article we are going to convert physical standby database to logical standby.


2.1. At primary database we need to execute a query to see…


Added by Bugra Canbakal on April 1, 2013 at 2:27am — No Comments

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