Advanced SQL A correlated subquery is where the outer query depends on data from the inner query. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning routines and triggers? Both have to be called to operate. Both consist of procedural code. Both are stored in the database. Both run automatically. Both have to be called to operate. Both consist of procedural code. Both are stored in the database. Both run automatically. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A transaction is the complete set of closely related update commands that must all be done, or none of them done, for the database to remain valid. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL What type of join is needed when you wish to return rows that do have matching values? All of these Natural join Equi-join Outer join All of these Natural join Equi-join Outer join 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. 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 Union Join All of these Subqueries Natural join Union Join All of these Subqueries ANSWER DOWNLOAD EXAMIANS APP
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