Advanced SQL What type of join is needed when you wish to return rows that do have matching values? Natural join Equi-join Outer join All of these Natural join Equi-join Outer join All of these ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning routines and triggers? 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. Both are stored in the database. Both have to be called to operate. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL The most frequently used relational operation, which brings together data from two or more related tables into one resultant table, is called an equi-join. False True False True 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 How many tables may be included with a join? Three All of these Two One Three All of these Two One 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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