Advanced SQL With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible. False True False True 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 What type of join is needed when you wish to return rows that do have matching values? All of these Equi-join Natural join Outer join All of these Equi-join Natural join Outer join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A CASE SQL statement is which of the following? A way to establish an IF-THEN-ELSE in SQL. All of these A way to establish a loop in SQL. A way to establish a data definition in SQL. A way to establish an IF-THEN-ELSE in SQL. All of these A way to establish a loop in SQL. A way to establish a data definition in SQL. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning routines and triggers? Both have to be called to operate. Both are stored in the database. Both run automatically. Both consist of procedural code. Both have to be called to operate. Both are stored in the database. Both run automatically. Both consist of procedural code. 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 All of these Natural join Outer join Equi-join All of these Natural join Outer join ANSWER DOWNLOAD EXAMIANS APP
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