Test your basic knowledge |

Oracle SQL

Subjects : oracle, it-skills
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Information that is returned after you run your statement are found in the __________ tab in SQL Developer.






2. A join across three tables can be expressed with the ________ join syntax.






3. What is the maximum value for a column defined as NUMBER(4 -2)?






4. The data type definitions NUMBER(10) and NUMBER(10 -0) are the...






5. To equijoin a table with another table involves matching the...






6. SQL Developer provides an extensive list of useful reports and offers the capability to create your own...






7. The same function can be used ______ in a SELECT statement.






8. List 6 Table-Related Menu Choices






9. What is the syntax used to indicate that you are using the Oracle Outer Join operator?






10. How many characters can be stored in the CHAR column/field?






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






12. SELECT LIST of a subquery in an INSERT statement






13. The NEXTVAL and CURRVAL pseudocolumns can be used in which of the following SQL constructs? Select all that apply.






14. If a graphical representation of a table's box has __________ it means that the relationship is identifying.






15. The focus of the logical data model is _____________






16. What is the name of the key automatically generated from a sequence?






17. When column names on the tables are different - you use the ______ condition.






18. Write the syntax to rename index just_two_more_weeks_i to finally_i






19. Converting a text literal to DATE format requires the use of the...






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






21. In SQL Developer field names and table names are shown in the color _______.






22. The ____________ keywords and the USING clause of the ANSI join syntax are mutually exclusive.






23. LINESIZE






24. To revert back to a state that happened before you ran your change statement - you issue a ____________ command.






25. Match each of the SQL commands on the left with a verb from the list.






26. PAGESIZE






27. NUMBER functions can be...






28. It is considered good form to put all SQL commands in...






29. What is the most common DATE format found in SQL?






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






31. When you INSERT new information into a table - it is followed with a _______ keyword that contains the information that is going to be added to the table.






32. The ______ depicts the M of a 1:M relationship.

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33. The key that most database designers prefer and is chosen by the system is the _____________ key.






34. Explain what is found in the All Objects report folder in SQL Developer






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






36. In a view you can give a column a different name than it has in the...






37. The _______ function lets you perform if-then-else functionality with the SQL language.






38. The query retrieves more than 5 to 15 percent of the rows






39. The _______ function adds values together for a group of rows.






40. All SQL statements contained within a script must end with a _______________ - even if they are done in SQL Developer.






41. You can pass parameters from the operating system when ___________ in SQl*Plus






42. When disabling a unique or primary key - you can keep the index if you specify the __________________ clause in the ALTER TABLE statement.






43. Write an SQL statement for SQL *Plus in which you want any unique menu items to be displayed from the restaurant table






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






45. The ROWID pseudocolumn is not an ________- but it acts like one.






46. What is the keyboard shortcut for the ROLLBACK command?






47. SELECT * FROM instructor ORDER BY phone






48. The purpose of the HAVING clause is to eliminate___________.






49. __________________ inserts the current date and time.






50. What is the first column of a composite index called?