Advanced SQL Which of the following is true concerning triggers? They execute against only some applications that access a database. You do not create them with SQL. They have an event, condition, and action. They cannot cascade (cause another trigger to fire). They execute against only some applications that access a database. You do not create them with SQL. They have an event, condition, and action. They cannot cascade (cause another trigger to fire). 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 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 What type of join is needed when you wish to return rows that do have matching values? Natural join All of these Outer join Equi-join Natural join All of these Outer join Equi-join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Subqueries can be nested multiple times. 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
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