The following table shows the timestamp and actions by two users. Choose the best option that describes the outcome of the actions. Time JohnSara 10:14 select* from hr.employees; 10:15 Update hr.employees set salary= 100 where employee_id= 206; 10:16 Commit: Select* from hr.employees; 10:18 Commit: 10:20 Select* from hr.employees; Commit: John's query willreturn the same results all three times it is executed as they are run in the same session. John's queries run at10:16 and10:20 produce the same result, which is different from the one at 10:14 John's query run at 10:16 waits until 10:18 to produce results, waiting for the commit to happen. John's queries run at 10:14 and 10:16 produce the same result, which is different from the one at 10:20
The following table shows the timestamp and actions by two users. Choose the best option that describes the outcome of the actions.
Time JohnSara
10:14 select* from hr.employees;
10:15 Update hr.employees set salary= 100
where employee_id= 206;
10:16 Commit:
Select* from hr.employees;
10:18 Commit:
10:20 Select* from hr.employees;
Commit:
John's query willreturn the same results all three times it is executed as they are run in the same session.
John's queries run at10:16 and10:20 produce the same result, which is different from the one at 10:14
John's query run at 10:16 waits until 10:18 to produce results, waiting for the commit to happen.
John's queries run at 10:14 and 10:16 produce the same result, which is different from the one at 10:20
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