Advanced SQL There should be one condition within the WHERE clause for each pair of tables being joined. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning subqueries? Cannot return the same result as a query that is not a subquery. Involves the use of an inner and outer query. Does not start with the word SELECT. All of these Cannot return the same result as a query that is not a subquery. Involves the use of an inner and outer query. Does not start with the word SELECT. All of these 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. All of these RDBMS store database definition information in system-created tables. This information often cannot be updated by a user. This information can be accessed using SQL. All of these RDBMS store database definition information in system-created tables. This information often cannot be updated by a user. 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. You do not create them with SQL. They have an event, condition, and action. They cannot cascade (cause another trigger to fire). They execute against only some applications that access a database. You do not create them with SQL. They have an event, condition, and action. 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 Equi-join All of these Outer join Natural join Equi-join All of these Outer join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Triggers are stored blocks of code that have to be called in order to operate. True False True False ANSWER DOWNLOAD EXAMIANS APP
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