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Java JDK Environment Variables Configuration in Linux (Centos)

Environment Variables need to be configured PATH environment variable. Role is specified command search path, while executing a command in shell, it will go to the PATH variable to find the path specified to see if it could find the appropriate command. We need to add the bin folder under the JDK directory to the … Continue reading

Oracle Database Appliance (X5-2) Study (Virtualized Platform deployment) section 5

**This article is only for the purpose of demonstrating of my study of the Oracle Database appliance, not for any other purposes.** Oracle Database Appliance (X5-2) Deployment (Virtualized Platform) section 5 – Add additional VLAN In the Oracle Database Appliance virtualized deployment, we can add additional vlan. After read the doc oda-vp-vlan-2418821.pdf, DBAs and Network … Continue reading

Oracle Database Appliance (X5-2) Study (Virtualized Platform deployment) section 4

**This article is only for the purpose of demonstrating of my study of the Oracle Database appliance, not for any other purposes.** Oracle Database Appliance (X5-2) Deployment (Virtualized Platform) section 4 In Oracle Database Appliance, you can just create database by using the command oakcli create database, but Is there any other ways to create … Continue reading

Oracle SQL Plan Baseline

Oracle Database SQL Plan Baseline (11g) First, the basic concept Oracle 11g began to provide a new method of fixed operating plan that is SQL plan baseline; it can be summarized in the following two: Provide stable operation plan to the SQL Statement. Prevent the operating environment or object statistics and other factors change have … Continue reading

java.sql.SQLRecoverableException: No more data to read from socket cause by connection pool running out

java.sql.SQLRecoverableException: No more data to read from socket caused by connection pool running out Issues Currently, in Oracle database server is built on more than one tablespace for different systems, both systems at the same time in the course of a project being developed in a test run, appeared from time to time the connection … Continue reading

JAVA connect to database through connection Pool – a better approach

JAVA connect to database through connection Pool – a better approach