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. 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 How many tables may be included with a join? Two Three All of these One Two Three All of these One 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 The following SQL is which type of join: SELECT CUSTOMER_T. CUSTOMER_ID, ORDER_T. CUSTOMER_ID, NAME, ORDER_ID FROM CUSTOMER_T,ORDER_T WHERE CUSTOMER_T. CUSTOMER_ID = ORDER_T. CUSTOMER_ID Cartesian join Outer join Natural join Equi-join Cartesian join Outer join Natural join Equi-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 Equi-join Outer join Natural join All of these Equi-join Outer join ANSWER DOWNLOAD EXAMIANS APP
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