The redo logs store all transactions which alter the database, all committed updates, adds, deletes of tables, structures or data. If archiving is disabled, only data in the current off-line and on-li...
When you are executing SQL statements to find which one is the best, you need to take into consideration the factors that can skew the accuracy of the results of the testing. These factors include cac...
You may not know when you need Oracle query optimization, but you certainly know when you need improvements in your database performance. For example: The trouble tickets in your queues start to pi...
