Advanced SQL A function returns one value and has only output parameters. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A correlated subquery is where the outer query depends on data from the inner query. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning triggers? 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). They have an event, condition, and action. They execute against only some applications that access a database. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL What type of join is needed when you wish to return rows that do have matching values? Equi-join All of these Outer join Natural join Equi-join All of these Outer join Natural join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL The joining technique is useful when data from several relations are to be retrieved and displayed and the relationships are not necessarily nested. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Outer join is the same as equi-join, except one of the duplicate columns is eliminated in the result table. True False True False ANSWER DOWNLOAD EXAMIANS APP
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