Advanced SQL Which of the following is true concerning triggers? They have an event, condition, and action. They execute against only some applications that access a database. You do not create them with SQL. They cannot cascade (cause another trigger to fire). They have an event, condition, and action. They execute against only some applications that access a database. You do not create them with SQL. They cannot cascade (cause another trigger to fire). 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 WHERE CUSTOMER_T. CUSTOMER_ID = ORDER_T. CUSTOMER_ID Cartesian join Equi-join Outer join Natural join Cartesian join Equi-join Outer join Natural join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning routines and triggers? 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. Both are stored in the database. ANSWER DOWNLOAD EXAMIANS APP
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 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 With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible. False True False True ANSWER DOWNLOAD EXAMIANS APP
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