"Test" writes an SQL statement using the Employees table under the HR user, performs a scheduled walk index full scan

Sql> Select Count(*) fromemployees; COUNT(*)----------       107ExecutionPlan----------------------------------------------------------PlanHash value:3580537945-------------------------------------------------------------------------|Id|Operation|Name|Rows|Cost (%CPU)|Time|-------------------------------------------------------------------------|   0 | SELECTSTATEMENT|              |     1 |     1(0)| xx:xx: on ||   1 |SORT AGGREGATE|              |     1 |            |          ||   2 |   INDEX  FullSCAN|Emp_email_uk|   107 |     1(0)| xx:xx: on |-------------------------------------------------------------------------Statistics----------------------------------------------------------        224Recursive calls0db block gets theconsistent gets1Physical reads0Redo Size527Bytes sent via SQL*Net toClient523Bytes received via SQL*Net fromClient2Sql*Net roundtrips to/ fromClient6sorts (memory)0Sorts (Disk)          1Rows processed

"Test" writes an SQL statement using the Employees table under the HR user, performs a scheduled walk index full scan