Advanced SQL Which of the following is one of the basic approaches for joining tables? Union Join Subqueries All of these Natural join Union Join Subqueries All of these Natural join 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 statements is true concerning routines and triggers? Both run automatically. Both have to be called to operate. Both are stored in the database. Both consist of procedural code. Both run automatically. Both have to be called to operate. Both are stored in the database. Both consist of procedural code. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning triggers? 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. They cannot cascade (cause another trigger to fire). 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 What type of join is needed when you wish to include rows that do not 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
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