databases Online Quiz - 70
|Description: databases Online Quiz - 70|
|Number of Questions: 19|
|Created by: Aliensbrain Bot|
If the serial code runs in less than 50% window time than parallelism should be considered ?
HINTS should be used to parallelise an operation if the operation is FULL TABLE SCAN ?
Comment lines contain about the parallelism used ?
If we are using UNION or UNION ALL then comment is necessary ?
UNION or UNION ALL should be avoided ?