06 - 4203 Words

Chapter 6: Additional Database Objects TRUE/FALSE 1. A sequence serves as a nickname for a database object. ANS: F PTS: 1 REF: 158 2. A database index allows users and application programs to quickly locate specific records. ANS: T PTS: 1 REF: 158 3. A synonym is an alternate name assigned to a database object. ANS: T PTS: 1 REF: 158 4. When a positive value is assigned to the INCREMENT BY clause of the CREATE SEQUENCE command, numeric values are generated in descending order. ANS: F PTS: 1 REF: 161 5. When a negative value is assigned to the INCREMENT BY clause of the CREATE SEQUENCE command, numeric values are generated in descending order. ANS: T PTS: 1 REF: 161 6. The START WITH clause is used to identify the†¦show more content†¦_________________________ ANS: T PTS: 1 REF: 161 5. The default value for the INCREMENT BY clause is two. _________________________ ANS: F one 1 PTS: 1 REF: 161 6. The default beginning value for a sequence is one. _________________________ ANS: T PTS: 1 REF: 161 7. Both a minimum and maximum value can be defined for a(n) sequence. _________________________ ANS: T PTS: 1 REF: 161 8. The lowest possible value for an increasing sequence is 1. _________________________ ANS: T PTS: 1 REF: 162 9. The CYCLE option prevents a sequence from regenerating previous values. _________________________ ANS: F, NOCYCLE PTS: 1 REF: 162 10. The GENERATE option can be used to have a sequence pre-generate a set of numbers before they are requested by a user. _________________________ ANS: F, CACHE PTS: 1 REF: 162 11. The CURRVAL pseudocolumn is used to generate the next value in a sequence. _________________________ ANS: F, NEXTVAL PTS: 1 REF: 165 12. Sequence settings can be altered using the ALTER SEQUENCE command. _________________________ ANS: T PTS: 1 REF: 167 13. The INCREMENT BY setting for a sequence cannot be changed with the ALTER SEQUENCE command. _________________________ ANS: F, START WITH PTS: 1 REF: 167 14. A sequence can be deleted from the database using the DROP SEQUENCE command. _________________________ ANS: T PTS: 1 REF: 169 15. Indexes are usuallyShow MoreRelated06-Playtime1242 Words   |  5 PagesPlay Time Toy Company[1] Play Time Toy faces a highly seasonal pattern of sales. In the past, Play Time has used a seasonal production schedule, where the amount produced each month matches the sales for that month. Under this production plan, inventory is maintained at a constant level. The production manager, Thomas Lindop, is proposing a switch to a level, or constant, production schedule. This schedule would result in significant savings in production costs but would have higher storage andRead MoreASSIGNMENT 06886 Words   |  5 Pagesï » ¿Student ID: 1312311 Full name: Hà ¹ynh VÄÆ'n Là ¢m ASSIGNMENT 06 1). 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