Advanced SQL Triggers are stored blocks of code that have to be called in order to operate. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning subqueries? Involves the use of an inner and outer query. All of these Cannot return the same result as a query that is not a subquery. Does not start with the word SELECT. Involves the use of an inner and outer query. All of these Cannot return the same result as a query that is not a subquery. Does not start with the word SELECT. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning systems information in an RDBMS? 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. This information can be accessed using SQL. All of these ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL What type of join is needed when you wish to include rows that do not have matching values? Outer join All of these Natural join Equi-join Outer join All of these Natural join Equi-join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is one of the basic approaches for joining tables? All of these Subqueries Union Join Natural join All of these Subqueries Union Join Natural join ANSWER DOWNLOAD EXAMIANS APP
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