Advanced SQL A correlated subquery is where the outer query depends on data from the inner query. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Triggers are stored blocks of code that have to be called in order to operate. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL There should be one condition within the WHERE clause for each pair of tables being joined. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning subqueries? All of these Involves the use of an inner and outer query. Cannot return the same result as a query that is not a subquery. Does not start with the word SELECT. All of these Involves the use of an inner and outer query. Cannot return the same result as a query that is not a subquery. Does not start with the word SELECT. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is one of the basic approaches for joining tables? All of these Subqueries Union Join Natural join All of these Subqueries Union Join Natural join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL What type of join is needed when you wish to include rows that do not have matching values? Outer join Equi-join All of these Natural join Outer join Equi-join All of these Natural join ANSWER DOWNLOAD EXAMIANS APP
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