Oracle SQL
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Avg score: 44% • Most missed: “The __________ operator is inclusive of the two values specified.”
Oracle SQL
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25 Questions

1. Write a solution that adds 20 minutes to a given date.

2. Instead of using the Oracle Outer Join Operator or the ANSI syntax - you can achieve the same result with two SQL statements: ____________ and a ____________

3. How many characters can you have using the VARCHAR data type?

4. SQL*Plus is used more than SQL Developer when you need to...

5. The using clause of the ANSI join syntax always assumes an...

6. Oracle uses the outer join operator to indicate that nulls are shown for...

7. ____________ are useful for analyzing and exploring the relationships within your data

8. The ____________ command makes changes permanent.

9. Another name for a data dictionary view is __________________ or _________________.

10. When returning multiple rows - a subquery must contain the _____ - _____ - _____ - or ______ operator - otherwise Oracle will return an error

11. A _____ is a query definition stored in the database that looks just like a table - but does not have any physical rows

12. When is it not a good idea to use an index?

13. List the reasons that a subquery could not be unnested.

14. Write a statement that drops the index need_to_pass_i

15. You use the __________ keyword to change characteristics of a column.

16. What does SQL stand for?

17. UNION ALL does not sort - therefore it is less time consuming to use than the...

18. You can simplify the writing of SQL statements by writing SQL _________ that generate and execute other SQL statements.

19. The __________ operator is inclusive of the two values specified.

20. __________________ inserts the current date and time.

21. Joins involving multiple columns must always follow the ____________ relationship path.

22. You can use the ________________ to subtract months from a given date.

23. FEEDBACK

24. Information that is returned after you run your statement are found in the __________ tab in SQL Developer.

25. The COUNT function is useful for determining whether a table has...

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