Introduction to SQL Which SQL keyword is used to retrieve only unique values? DISTINCTIVE DIFFERENT DISTINCT UNIQUE DISTINCTIVE DIFFERENT DISTINCT UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities whose humidity is 89 SELECT city FROM weather WHERE humidity = 89; SELECT city FROM weather; SELECT city WHERE humidity = 89; SELECT humidity = 89 FROM weather; SELECT city FROM weather WHERE humidity = 89; SELECT city FROM weather; SELECT city WHERE humidity = 89; SELECT humidity = 89 FROM weather; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is valid SQL for an Index? CHANGE INDEX ID; ADD INDEX ID; REMOVE INDEX ID; CREATE INDEX ID; CHANGE INDEX ID; ADD INDEX ID; REMOVE INDEX ID; CREATE INDEX ID; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is a view? A view is a special stored procedure executed when certain event occurs. A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are. None of these A view is a database diagram. A view is a special stored procedure executed when certain event occurs. A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are. None of these A view is a database diagram. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s): Both IN and NOT IN. LIKE only. IN only. NOT IN only. Both IN and NOT IN. LIKE only. IN only. NOT IN only. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. True False True False ANSWER DOWNLOAD EXAMIANS APP
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