Auto Indexing Wrap-Up . Automatic Indexing . Exams of Oracle . Index Case Summary
Virtual Column Solution-Indexes
On 03/09/2023 by Robert CorvinoThe idea here is to first create a virtual column applying a SQL function on the extended column that returns a value less than 6398 bytes. Then that virtual column can be indexed, and this provides a mechanism for better performance when issuing queries against extended columns. An example will demonstrate this. First, create a