Last Week I performed Oracle Database Upgrade from 11.2.0.3 to 12c and would like to share Upgrade document. This upgrade document does not include prerequisite and post requisite, which I would try to compile and upload soon. Document Link is as under: Oracle Database 12c Upgrade with screenshots
Read MoreIn this post , we will cover some of the parameters and factors which affect JDBC performance in Weblogic Server. But first I will like to show how jdbc connections are made (in Snaps below )and for that we need to understand two terms Data Sources and Connection Pool. Data sources: Are administered factory Objects […]
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Read MoreIf you are following Oracle’s 12c database , then I highly recommend you to read White paper “Oracle Multitenant“ to understand PDB (Pluggable Database) & CDB (Container Database)
Read MoreOracle Database 12c R1 (12.1.0.1) is now available to download from OTN and documentation is available here From installation point of view 12c database is similar to 11g database with exception of Container Database (to support Multi-Tenancy and Virtualisation). More on Multi-Tenancy Architecture in Oracle 12C database (or Support for Virtualisation) here , here , here and later (in my upcoming post […]
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Read MoreHi All, Two days back i have faced some funny issue in my project. Issue was, suddenly hostname and url prefix got disappear from oracle policy manager. I couldn’t able to see hostname/url prefix under resource tab which we have already configured. I’m wondered how it happened suddenly. Here i would like tell you how I […]
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Read MoreRecently, I came across an interesting scenario related to RMAN. We registered a New database , say STD to catalog and scheduled RMAN backup of that database using GRID 11g. When executed RMAN backup job, it failed with below error (in execution log): RMAN-06004: ORACLE error from recovery catalog database: RMAN-20004: target database name does not match […]
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