Introduction
SQL table joins are common practice in the relational database world. They are a way of eliminating data redundancy and allowing the user of the data to select what they want from the dat...
SGA refers to a Shared Global Area. As the term global implies, this area is accessible to all Oracle processes and users. Each instance will have its own SGA. Oracle processes and users must share la...
Disks for redo devices When a transaction is committed, the redo log entry in the redo log buffer must be written to disk. The characteristics of the redo log writes are very different from that of...
