问题:单选题EMPDET is an external table containing the columns EMPNO and ENAME. Which command would work in relation to the EMPDET table?()A AB BC CD D...
Friday, March 8, 2024
问题:单选题View the Exhibit and examine the structure of the ORDERS table. Which task would require subqueries? ()A displaying the total order value for sales representatives 161 and 163B displaying the order total for sales representative 161 in the year 19...
Saturday, April 20, 2024
问题:单选题EMPDET is an external table containing the columns EMPNO and ENAME. Which command would work in relation to the EMPDET table? ()A AB BC CD D...
问题:单选题Which statement is true regarding Flashback Version Query?()A It returns versions of rows only within a transaction.B It can be used in subqueries contained only in a SELECT statement.C It will return an error if the undo retention time is less than...
问题:多选题View the Exhibit and examine the data in the PRODUCT INFORMATION table. Which two tasks would require subqueries? ()Adisplaying the minimum list price for each product statusBdisplaying all supplier IDs whose average list price is more than 500Cdisplay...
问题:单选题View the Exhibit and examine the data in ORDERS_MASTER and MONTHLYjDRDERS tables. What would be the outcome of the above statement?()A The ORDERS_MASTER table would contain the ORDERJDs 1 and 2.B The ORDERS_MASTER table would contain the ORDERJDs 1...
问题:多选题Which statements are correct regarding indexes? ()AWhen a table is dropped, the corresponding indexes are automatically dropped.BFor each DML operation performed, the corresponding indexes are automatically updated.CIndexes should be created on columns...
问题:单选题View the Exhibit and examine the structure of the EMP table. You executed the following command to add a primary key to the EMP table: ALTER TABLE emp ADD CONSTRAINT emp_id_pk PRIMARY KEY (emp_id) USING INDEX emp_id_idx; Which statement is tru...
问题:多选题Which three statements are true regarding single-row functions?()AThey can accept only one argument.BThey can be nested up to only two levels.CThey can return multiple values of more than one data type.DThey can be used in SELECT, WHERE, and ORDER BY c...
问题:多选题Which two statements are true regarding the execution of the correlated subqueries?()AThe nested query executes after the outer query returns the row.BThe nested query executes first and then the outer query executes.CThe outer query executes only once...
问题:单选题The details of the order ID, order date, order total, and customer ID are obtained from the ORDERS table. If the order value is more than 30000, the details have to be added to the LARGEjDRDERS table. The order ID, order date, and order total should be...
Saturday, February 24, 2024
问题:单选题View the Exhibit and examine the structure of the ORDERS and ORDERJTEMS tables. Evaluate the following SQL statement: SELECT oi.order_id, product_jd, order_date FROM order_items oi JOIN orders o USING (order_id); Which statement is true regard...
问题:单选题View the Exhibit and examine the details of the EMPLOYEES table. The query was written to format the PHONE_NUMBER for the employees. Which option would be the correct format in the output?()A xxx-xxx-xxxxB (xxx) xxxxxxxC (xxx) xxx-xxxxD xxx-...
问题:多选题Which three possible values can be set for the TIME_ZONE session parameter by using the ALTER SESSION command?()A’os’BlocalC-8:00’Ddbtimezone LiE’Australia’...
问题:多选题Which three possible values can be set for the TIME_ZONE session parameter by using the ALTER SESSION command? ()AosBlocalC-8:00Ddbtimezone LiEAustralia...