Advanced SQL Which of the following is true concerning triggers? They execute against only some applications that access a database. They have an event, condition, and action. You do not create them with SQL. They cannot cascade (cause another trigger to fire). They execute against only some applications that access a database. They have an event, condition, and action. You do not create them with SQL. They cannot cascade (cause another trigger to fire). ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning a procedure? They do not need to have a unique name. They include procedural and SQL statements. You do not create them with SQL. They are the same thing as a function. They do not need to have a unique name. They include procedural and SQL statements. You do not create them with SQL. They are the same thing as a function. 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. All of these RDBMS store database definition information in system-created tables. This information often cannot be updated by a user. This information can be accessed using SQL. All of these RDBMS store database definition information in system-created tables. This information often cannot be updated by a user. 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. True False True False 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 ; Equi-join Cartesian join Outer join Natural join Equi-join Cartesian join Outer join Natural 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
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