Advanced SQL Subqueries can be nested multiple times. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning systems information in an RDBMS? This information often cannot be updated by a user. All of these This information can be accessed using SQL. RDBMS store database definition information in system-created tables. This information often cannot be updated by a user. All of these This information can be accessed using SQL. RDBMS store database definition information in system-created tables. 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 outer 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 inner query. Uses the result of an inner query to determine the processing of an outer query. Uses the result of an outer query to determine the processing of an outer query. Uses the result of an inner query to determine the processing of an inner query. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A UNION query is which of the following? Combines the output from no more than two queries and must include the same number of columns. Combines the output from no more than two queries and does not include the same number of columns. Combines the output from multiple queries and does not include the same number of columns. Combines the output from multiple queries and must include the same number of columns. Combines the output from no more than two queries and must include the same number of columns. Combines the output from no more than two queries and does not include the same number of columns. Combines the output from multiple queries and does not include the same number of columns. Combines the output from multiple queries and must include the same number of columns. 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 Natural join Equi-join All of these Outer join Natural join Equi-join All of these ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning routines and triggers? Both consist of procedural code. Both have to be called to operate. Both are stored in the database. Both run automatically. Both consist of procedural code. Both have to be called to operate. Both are stored in the database. Both run automatically. ANSWER DOWNLOAD EXAMIANS APP
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