Advanced SQL What type of join is needed when you wish to include rows that do not have matching values? Equi-join Natural join All of these Outer join Equi-join Natural join All of these Outer join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is a correlated subquery? Uses the result of an outer query to determine the processing of an inner query. Uses the result of an inner query to determine the processing of an outer query. Uses the result of an inner query to determine the processing of an inner query. Uses the result of an outer query to determine the processing of an outer query. Uses the result of an outer query to determine the processing of an inner query. Uses the result of an inner query to determine the processing of an outer query. Uses the result of an inner query to determine the processing of an inner query. Uses the result of an outer query to determine the processing of an outer query. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A correlated subquery is where the outer query depends on data from the inner query. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Outer join is the same as equi-join, except one of the duplicate columns is eliminated in the result table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning systems information in an RDBMS? This information can be accessed using SQL. This information often cannot be updated by a user. All of these RDBMS store database definition information in system-created tables. This information can be accessed using SQL. This information often cannot be updated by a user. All of these RDBMS store database definition information in system-created tables. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is one of the basic approaches for joining tables? Subqueries Union Join Natural join All of these Subqueries Union Join Natural join All of these ANSWER DOWNLOAD EXAMIANS APP
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