Objectives: List the major architectural components of Oracle DatabaseExplain the memory structuresDescribe the background processesCorrelate the logical and physical storage structuresDescribe ASM storage components 三种连接方式 直接登录serverClient(PL/SQL De…
PARTII: SQL Basics CHAPTER 4Creating a Simple Query 介绍一种怎样创建SQL语句的技术--"Request/Translation/CleanUp/SQL" The SELECT operation in SQL can be broken down into three smaller operations, which we will refer to as the SELECT statement,the SELECT expre…