I have a virtual machine installed MS Windows Server 2008 R2 EE 64bit on it. I just installed successfully Oracle 11g R2 64bit client on it. I made a service from net manager and tested it which was successful. I also verified my oracle installation from command promt using SQLPLUS command and it confirmed me about the correct Oracle installation.
I installed Toad 10 versions 10.6.1 & 10.1.8 (one by one) and tried to connect the database, it shows dll errors mostily OCI.DLL not initilized. I tried to get it resolved with different ways but remained unsuccessful, although it is fine with Oracle 11g Client 32bit.
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From the Oracle SQL Reference (http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/queries006.htm) we are told that a join is a query that combines rows from two or more tables, views, or materialized views. This article provides a glimps…
Note: this article covers simple compression. Oracle introduced in version 11g release 2 a new feature called Advanced Compression which is not covered here.
General principle of Oracle compression
Oracle compression is a way of reducing the d…