Advanced SQL What type of join is needed when you wish to return rows that do have matching values? All of these Equi-join Outer join Natural join All of these Equi-join Outer join Natural join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning triggers? They cannot cascade (cause another trigger to fire). They have an event, condition, and action. You do not create them with SQL. They execute against only some applications that access a database. They cannot cascade (cause another trigger to fire). They have an event, condition, and action. You do not create them with SQL. They execute against only some applications that access a database. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning routines and triggers? Both are stored in the database. Both have to be called to operate. Both consist of procedural code. Both run automatically. Both are stored in the database. Both have to be called to operate. Both consist of procedural code. Both run automatically. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL There should be one condition within the WHERE clause for each pair of tables being joined. True False True False 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 one of the basic approaches for joining tables? Natural join Subqueries Union Join All of these Natural join Subqueries Union Join All of these ANSWER DOWNLOAD EXAMIANS APP
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