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lexisastudent lexisastudent
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6 years ago
Which of the following commands will add a UNIQUE constraint to the MINRETAIL column of the PROMOTION table?
 a. ALTER TABLE promotionADD CONSTRAINT orderitems_minretail_uk UNIQUE (minretail);
  b. ALTER TABLE promotionMODIFY UNIQUE (minretail);
  c. ALTER TABLE promotionADD UNIQUE minretail;
  d. ALTER TABLE promotionMODIFY minretail;
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leannaolsenleannaolsen
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6 years ago
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lexisastudent Author
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6 years ago
You make an excellent tutor!
yen
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Yesterday
this is exactly what I needed
zsc999
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2 hours ago
Thanks
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