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