Advanced SQL The most frequently used relational operation, which brings together data from two or more related tables into one resultant table, is called an equi-join. True False True False 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. True False True False 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 Outer join Cartesian join Natural join Equi-join Outer join Cartesian join Natural join Equi-join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning subqueries? 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL When AUTOCOMMIT is set on, changes will be made automatically at the end of each SQL statement. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning systems information in an RDBMS? This information can be accessed using SQL. This information often cannot be updated by a user. All of these RDBMS store database definition information in system-created tables. This information can be accessed using SQL. This information often cannot be updated by a user. All of these RDBMS store database definition information in system-created tables. ANSWER DOWNLOAD EXAMIANS APP
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