Advanced SQL A UNION query is which of the following? Combines the output from no more than two queries and does not include the same number of columns. Combines the output from multiple queries and does not include the same number of columns. Combines the output from multiple queries and must include the same number of columns. Combines the output from no more than two queries and must include the same number of columns. Combines the output from no more than two queries and does not include the same number of columns. Combines the output from multiple queries and does not include the same number of columns. Combines the output from multiple queries and must include the same number of columns. Combines the output from no more than two queries and must include the same number of columns. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning triggers? They have an event, condition, and action. They cannot cascade (cause another trigger to fire). You do not create them with SQL. They execute against only some applications that access a database. They have an event, condition, and action. They cannot cascade (cause another trigger to fire). You do not create them with SQL. They execute against only some applications that access a database. 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 ; Natural join Cartesian join Outer join Equi-join Natural join Cartesian join Outer join Equi-join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Embedded SQL is which of the following? Hard-coded SQL statements in a procedure. Hard-coded SQL statements in a trigger. The process of making an application capable of generating specific SQL code on the fly. Hard-coded SQL statements in a program language such as Java. Hard-coded SQL statements in a procedure. Hard-coded SQL statements in a trigger. The process of making an application capable of generating specific SQL code on the fly. Hard-coded SQL statements in a program language such as Java. 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 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
EXAMIANS