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 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. A way to establish an IF-THEN-ELSE in SQL. All of these A way to establish a data definition in SQL. A way to establish a loop in SQL. A way to establish an IF-THEN-ELSE in SQL. All of these 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
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 How many tables may be included with a join? One All of these Three Two One All of these Three Two ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL What type of join is needed when you wish to return rows that do have matching values? Equi-join All of these Outer join Natural join Equi-join All of these Outer join Natural join ANSWER DOWNLOAD EXAMIANS APP
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