Advanced SQL Which of the following is true concerning triggers? They execute against only some applications that access a database. They cannot cascade (cause another trigger to fire). You do not create them with SQL. They have an event, condition, and action. They execute against only some applications that access a database. They cannot cascade (cause another trigger to fire). You do not create them with SQL. They have an event, condition, and action. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Triggers are stored blocks of code that have to be called in order to operate. True False True False 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 A function returns one value and has only output parameters. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is one of the basic approaches for joining tables? Natural join Union Join All of these Subqueries Natural join Union Join All of these Subqueries ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL The UNION clause is used to combine the output from multiple queries together into a single result table. True False True False ANSWER DOWNLOAD EXAMIANS APP
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