Wait Time (seconds) until the CPU resource is available. Time spent by the session waiting in the system's run queue for CPU cycles. The amount of time is dependent upon the number of concurrent processes and threads requesting CPU time. The metric value should be inspected in conjunction with the value of the Run Queue Length metric.
Because a cursor points to a currently selected set of records, a cursor can be used by only one connection at a time. However, the compiled plan to which the cursor is linked can be used simultaneously by multiple connections.