EMPDET is an external table containing the columns EMPNO and ENAME.
Which command would work in relation to the EMPDET table？（）
A.A
B.B
C.C
D.D
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A. os
B. local
C. -8：00
D. dbtimezone Li
E. Australia
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 added to the ORDERJHISTORY table， and order ID and customer ID should be added to the CUSTJHISTORY table.
Which multitable INSERT statement would you use？ （）
A. Pivoting INSERT
B. Unconditional INSERT
C. Conditional ALL INSERT
D. Conditional FIRST INSERT
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-xxxx
B. （xxx） xxxxxxx
C. （xxx） xxx-xxxx
D. xxx-（xxx）-xxxx
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 163
B. displaying the order total for sales representative 161 in the year 1999
C. displaying the number of orders that have order mode online and order date in 1999
D. displaying the number of orders whose order total is more than the average order total for all online orders
A. When a table is dropped， the corresponding indexes are automatically dropped.
B. For each DML operation performed， the corresponding indexes are automatically updated.
C. Indexes should be created on columns that are frequently referenced as part of an expression.
D. A non-deferrable PRIMARY KEY or UNIQUE KEY constraint in a table automatically creates a uniqueindex.
Evaluate the following SQL statements that are issued in the given order：
What would be the status of the foreign key EMP_MGR_FK？（）
A. It would be automatically enabled and deferred.
B. It would be automatically enabled and immediate.
C. It would remain disabled and has to be enabled manually using the ALTER TABLE command.
D. It would remain disabled and can be enabled only by dropping the foreign key constraint and re-creating it.
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 the lower bound time or SCN specified.
D. It retrieves all versions including the deleted as well as subsequently reinserted versions of the rows.
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 true regarding the effect of the command？（）
A. The PRIMARY KEY is created along with a new index.
B. The PRIMARY KEY is created and it would use an existing unique index.
C. The PRIMARY KEY would be created in a disabled state because it is using an existing index.
D. The statement produces an error because the USING clause is permitted only in the CREATE TABLE command.
The user SCOTT who is the owner of ORDERS and ORDERJTEMS tables issues the following
GRANT command：
GRANT ALL
ON orders， order_items
TO PUBLIC；
What correction needs to be done to the above statement？ （）
A. PUBLIC should be replaced with specific usernames.
B. ALL should be replaced with a list of specific privileges.
C. WITH GRANT OPTION should be added to the statement.
D. Separate GRANT statements are required for ORDERS and ORDERJTEMS tables.
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， 2 and 3.
C. The ORDERS_MASTER table would contain the ORDERJDs 1， 2 and 4.
D. The ORDERS MASTER table would contain the ORDER IDs 1， 2， 3 and 4.
最新试题
The user SCOTT who is the owner of ORDERS and ORDERJTEMS tables issues the following GRANT command： GRANT ALL ON orders， order_items TO PUBLIC； What correction needs to be done to the above statement？ （）
Evaluate the following SQL statements that are issued in the given order：What would be the status of the foreign key EMP_MGR_FK？（）
View the Exhibit and examine the structure of the ORDERS table.Which task would require subqueries？ （）
Evaluate the following statement： Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement？（）
Which three statements are true regarding single-row functions？（）
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 true regarding the effect of the command？（）
View the Exhibit and examine the data in ORDERS_MASTER and MONTHLYjDRDERS tables.What would be the outcome of the above statement？（）
Which statements are correct regarding indexes？ （）
Which three possible values can be set for the TIME_ZONE session parameter by using the ALTER SESSION command？（）
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 added to the ORDERJHISTORY table， and order ID and customer ID should be added to the CUSTJHISTORY table. Which multitable INSERT statement would you use？ （）