databases Online Quiz - 226
|Description: databases Online Quiz - 226|
|Number of Questions: 20|
|Created by: Aliensbrain Bot|
Which section of a PL/SQL block commences with the BEGIN keyword?
Which constraint can be defined only at the column level?
SELECT TO_CHAR(1000000, '$99,999.00') SALARY FROM dual What Is the Output?
What is the output in RR format for following dates Date Specified :27-Oct-1995
The outer and inner queries can get data from different tables?
Which statement describes the ROWID data type?
What will be the output of following Select 8 from Emp ? Emp table has 10 rows
How many join conditions should be there to avoid a Cartesian Join for joining three tables?
Examine the code given below: SELECT employee_id FROM employees WHERE commission_pct=.5 OR salary > 23000 Which of the following statement is correct with regard to this code?
Which operators can be used in an outer join condition?