Foreign key is a field in the table that is primary key in another table. Primary Key can't accept null values. Foreign key can accept multiple null value. By default, Primary key is clustered index and data in the database table is physically organized in the sequence of clustered index. Foreign key do not automatically create an index, clustered or non-clustered. You can manually create an index on foreign key.
1 Competitive cheerleading outfits can cost anywhere from $300 to $500. 2  Anytime the cheer team enters a competition, a competition fee will have to be paid, which can vary anywhere from $100 to as much as $1,000 or more.3  Hotels, airline tickets and other accommodations, if the competition is far away, should be budgeted. Aside from the start up fees, plan on spending at least $75 to $200 per month to cheer in a competitive setting. 2  The yearly costs for competitive cheerleading, on average, can range from $2,000 to as much as $4,300; this would include everything necessary to participate with the club.
Summer camp can cost between $200 -$250. If a competition squad is formed, cheerleaders have the option of cheering for competition. Extra fees will be required of competition squad members that will include travel, accommodations, food and competition fees.