Advanced SQL Which of the following is true concerning systems information in an RDBMS? This information can be accessed using SQL. This information often cannot be updated by a user. All of these RDBMS store database definition information in system-created tables. This information can be accessed using SQL. This information often cannot be updated by a user. All of these RDBMS store database definition information in system-created tables. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL What type of join is needed when you wish to include rows that do not have matching values? Equi-join Outer join All of these Natural join Equi-join Outer join All of these Natural join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning routines and triggers? Both are stored in the database. Both consist of procedural code. Both have to be called to operate. Both run automatically. Both are stored in the database. Both consist of procedural code. Both have to be called to operate. Both run automatically. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL There should be one condition within the WHERE clause for each pair of tables being joined. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Subqueries can be nested multiple times. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning triggers? 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. They cannot cascade (cause another trigger to fire). You do not create them with SQL. ANSWER DOWNLOAD EXAMIANS APP
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