Advanced SQL Which of the following is true concerning systems information in an RDBMS? This information often cannot be updated by a user. This information can be accessed using SQL. RDBMS store database definition information in system-created tables. All of these This information often cannot be updated by a user. This information can be accessed using SQL. RDBMS store database definition information in system-created tables. All of these ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL The code to create triggers and routines is stored in only one location and is administered centrally. True False True False 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
Advanced SQL Which of the following is one of the basic approaches for joining tables? Subqueries Natural join All of these Union Join Subqueries Natural join All of these Union Join 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 All of these Outer join Equi-join Natural join All of these Outer join Equi-join 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
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