Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities whose humidity is 89 SELECT city FROM weather; SELECT city FROM weather WHERE humidity = 89; SELECT city WHERE humidity = 89; SELECT humidity = 89 FROM weather; SELECT city FROM weather; SELECT city FROM weather WHERE humidity = 89; SELECT city WHERE humidity = 89; SELECT humidity = 89 FROM weather; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The benefits of a standard relational language include which of the following? All of these Increased dependence on a single vendor Applications are not needed Reduced training costs All of these Increased dependence on a single vendor Applications are not needed Reduced training costs ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL NULL is the same as 0 for integer the same as 0 for integer and blank for character not a value the same as blank for character the same as 0 for integer the same as 0 for integer and blank for character not a value the same as blank for character ANSWER DOWNLOAD EXAMIANS APP
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