Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281
Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281
Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281
Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281
Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281
16. (STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key.
A. True
B. False
Advertisement
17. When the parent entity is required and the parent has a surrogate key, update actions can be ignored.
A. True
B. False
Advertisement
18. When the parent entity is required, a new parent row can always be inserted.
A. True
B. False
Advertisement
19. For every relationship, there are six possible referential integrity actions.
A. True
B. False
Advertisement
20. An ideal primary key is short, numeric and seldom changing.
A. True
B. False
Advertisement
Warning: Undefined variable $in_same_cat in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27
Warning: Undefined variable $excluded_categories in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27
< PREVIOUS POSTData Models into Database Designs - General Questions
NEXT POST >Database Redesign - General Questions