Advanced SQL When AUTOCOMMIT is set on, changes will be made automatically at the end of each SQL statement. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A UNION query is which of the following? Combines the output from multiple queries and does not include the same number of columns. Combines the output from no more than two queries and does not include the same number of columns. Combines the output from no more than two queries and must include the same number of columns. Combines the output from multiple queries and must include the same number of columns. Combines the output from multiple queries and does not include the same number of columns. Combines the output from no more than two queries and does not include the same number of columns. Combines the output from no more than two queries and must include the same number of columns. Combines the output from multiple queries and must include the same number of columns. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning routines and triggers? Both run automatically. Both consist of procedural code. Both are stored in the database. Both have to be called to operate. Both run automatically. Both consist of procedural code. Both are stored in the database. Both have to be called to operate. 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
Advanced SQL Which of the following is true concerning triggers? They cannot cascade (cause another trigger to fire). They execute against only some applications that access a database. They have an event, condition, and action. You do not create them with SQL. They cannot cascade (cause another trigger to fire). They execute against only some applications that access a database. They have an event, condition, and action. You do not create them with SQL. 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. False True False True ANSWER DOWNLOAD EXAMIANS APP