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 systems information in an RDBMS? This information can be accessed using SQL. RDBMS store database definition information in system-created tables. This information often cannot be updated by a user. All of these This information can be accessed using SQL. RDBMS store database definition information in system-created tables. This information often cannot be updated by a user. All of these ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL When AUTOCOMMIT is set on, changes will be made automatically at the end of each SQL statement. 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). You do not create them with SQL. They execute against only some applications that access a database. They have an event, condition, and action. They cannot cascade (cause another trigger to fire). You do not create them with SQL. They execute against only some applications that access a database. They have an event, condition, and action. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is one of the basic approaches for joining tables? All of these Natural join Union Join Subqueries All of these Natural join Union Join Subqueries 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. True False True False ANSWER DOWNLOAD EXAMIANS APP