This chapter describes the operating system configuration tasks you must complete on your servers before you install Oracle Grid Infrastructure for a cluster and Oracle Real Application Clusters. Write Powerful SQL Statements PL/ SQL Programs Learn how to access Oracle databases through SQL statements construct PL/ SQL : OCP Upgrade to Oracle Database 12c Exam Guide ( Exam 1Z0- 060) ( Oracle Press: Sam R. If you have questions regarding the download process, please see our Frequently Asked Questions. Caution: After installing Oracle Database Client 12c clients , later, do not install older version of databases share the same Oracle base directory.
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