Advanced SQL A UNION query is which of the following? Combines the output from multiple queries and must 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 no more than two queries and does not 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 multiple queries and must 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 no more than two queries and does not 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 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 Natural join Equi-join Cartesian join Outer join Natural join Equi-join Cartesian join Outer join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Subqueries can be nested multiple times. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning systems information in an RDBMS? All of these This information can be accessed using SQL. This information often cannot be updated by a user. RDBMS store database definition information in system-created tables. All of these This information can be accessed using SQL. This information often cannot be updated by a user. RDBMS store database definition information in system-created tables. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is true concerning triggers? They have an event, condition, and action. You do not create them with SQL. They execute against only some applications that access a database. They cannot cascade (cause another trigger to fire). They have an event, condition, and action. You do not create them with SQL. They execute against only some applications that access a database. They cannot cascade (cause another trigger to fire). ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Embedded SQL is which of the following? Hard-coded SQL statements in a program language such as Java. 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 procedure. Hard-coded SQL statements in a program language such as Java. 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 procedure. ANSWER DOWNLOAD EXAMIANS APP
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