databases Online Quiz - 42
|Description: databases Online Quiz - 42|
|Number of Questions: 20|
|Created by: Aliensbrain Bot|
Which data dictionary table should you query to view the object privileges granted to the user on specific columns?
The EMP table contains these columns: LAST NAME VARCHAR2(25) SALARY NUMBER(6,2) DEPARTMENT_ID NUMBER(6) You need to display the employees who have not been assigned to any department. You write the SELECT statement: SELECT LAST_NAME, SALARY, DEPARTMENT_ID FROM EMP WHERE DEPARMENT_ID = NULL; What is true about this SQL statement?
What various validations do you perform on the data after extraction?
When a sender and Distributed Queues have a certified agreement existing between them ,if the active scheduler fails and the worker member which take the place of scheduler if the completion time parameter is said to 20 , when will the reallocation of task will be done
Montior call back function takes as argument
ErrorAdvisory Msg PARAM_MISMATCH is presented when
When a rvperfm runs with no rvperfs . it is used to determine
If two programs A1,A2 are communicating thru subject name ( _LOCAL.SUB), then which of the following is true ..