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boostr.in questions - Question:The ITEM table has six columns. Since the table is often queried with a join to the SALE table, an index was created on five of the columns in the ITEM table. What will be the result?
a. ¬†¬†¬†¬†¬†¬†¬†Inserts to the table will be slower
b. ¬†¬†¬†¬†¬†¬†¬†The size of the ITEM table will be increased
c. ¬†¬†¬†¬†¬†¬†¬†All queries on the ITEM table will be faster if it does not contain a large number of NULL values
d. ¬†¬†¬†¬†¬†¬†¬†The speed of deletes will be increased
Sep 13, 2013
Sep 12, 2013
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