Advanced SQL Which of the following is true concerning systems information in an RDBMS? This information can be accessed using SQL. All of these This information often cannot be updated by a user. RDBMS store database definition information in system-created tables. This information can be accessed using SQL. All of these This information often cannot be updated by a user. RDBMS store database definition information in system-created tables. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL There should be one condition within the WHERE clause for each pair of tables being joined. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL The following SQL is which type of join: SELECT CUSTOMER_T. CUSTOMER_ID, ORDER_T. CUSTOMER_ID, NAME, ORDER_ID FROM CUSTOMER_T,ORDER_T ; Cartesian join Natural join Equi-join Outer join Cartesian join Natural join Equi-join Outer join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning subqueries? Cannot return the same result as a query that is not a subquery. Involves the use of an inner and outer query. Does not start with the word SELECT. All of these Cannot return the same result as a query that is not a subquery. Involves the use of an inner and outer query. Does not start with the word SELECT. All of these ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL The UNION clause is used to combine the output from multiple queries together into a single result table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL When AUTOCOMMIT is set on, changes will be made automatically at the end of each SQL statement. True False True False ANSWER DOWNLOAD EXAMIANS APP