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Southern New Hampshire University *

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220

Subject

Computer Science

Date

Apr 3, 2024

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1

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Question 7 2/ 2 points If you wanted to delete the UNIQUE constraint called ChildAge from the table Children, which statement should you use? Select one. ) ALTER TABLE Children DELETE ChildAge; ) ALTER TABLE ChildAge DROP CONSTRAINT Customer; o) ALTER TABLE Children DROP CONTRAINT ChildAge; DELETE TABLE Children DELETE ChildAge; ¥ Hide question 7 feedback In our example, ALTER TABLE Children DROP ChildAge will result in the column ChildAge being deleted from the table Children. Remember that the ALTER TABLE statement can be used to add, modify, or delete table columns. This is done by specifying the table name followed by a clause that indicates what is to be altered; if a column is to be deleted, this clause is DROP. Question 8 2 / 2 points Dropping a table fails when a foreign key constraint refers to the table's primary key. Before dropping the table, either the foreign key constraint or the foreign key table must be dropped. (@) True False
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