Advanced SQL The UNION clause is used to combine the output from multiple queries together into a single result table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Subqueries can be nested multiple times. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A CASE SQL statement is which of the following? A way to establish a data definition in SQL. A way to establish a loop in SQL. All of these A way to establish an IF-THEN-ELSE in SQL. A way to establish a data definition in SQL. A way to establish a loop in SQL. All of these A way to establish an IF-THEN-ELSE in SQL. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Outer join is the same as equi-join, except one of the duplicate columns is eliminated in the result table. True False True False 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 return rows that do 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