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You must create a table EMPLOYEES in which the values in the columns EMPLOYEES_ID and LOGIN_ID must be unique and not null. (Choose two.) Which two SQL statements would create the required table?
A. CREATE TABLE employees(employee_id NUMBER,Login_id NUMBER,Employee_name VARCHAR2(100),Hire_date DATE,CONSTRAINT emp_id_ukUNIQUE (employee_id, login_id));
B. CREATE TABLE employees(employee_id NUMBER,login_id NUMBER,employee_name VARCHAR2(25),hire_date DATE,CONSTRAINT emp_id_pk PRIMARY KEY (employee_id, login_id));
C. CREATE TABLE employees(employee_id NUMBER CONSTRAINT emp_id_pk PRIMARY KEY, Login_id NUMBER UNIQUE, Employee_name VARCHAR2(25),Hire_date DATE);
D. CREATE TABLE employees(employee_id NUMBER,Login_id NUMBER,Employee_name VARCHAR2(100),Hire_date DATE,CONSTRAINT emp_id_uk UNIQUE (employee_id, login_id);CONSTRAINT emp_id_nn NOT NULL (employee_id, login_id));
E. CREATE TABLE employees(employee_id NUMBER CONSTRAINT emp_id_nn NOT NULL, Login_id NUMBER CONSTRAINT login_id_nn NOT NULL,Employee_name VARCHAR2(100),Hire_date DATE,CONSTRAINT emp_id_ukUNIQUE (employee_id, login_id));
Correct Answer: BE
Evaluate the following query:
SQL> SELECT TRUNC (ROUND (156.00, -1),-1)
What would be the outcome?
Correct Answer: C
View the Exhibit and examine the structures of the employees and departments tables.
You must update the employees table according to these requirements::
-Update only those employees who work in Boston or Seattle (locations 2900 and 2700).
-Set department_id for these employees to the department id corresponding to London (locationid 2100). -Set the employees\’ salary in iocation_id 2100 to 1.1 times the average salary of their department.
-Set the employees\’ commission In location_id 2100 to 1.5 times the average commission of their department.
You issue this command:
What is the result?
A. It executes successfully but does not produce the desired update.
B. It executes successfully and produces the desired update.
C. It generates an error because multiple columns cannot be specified together in an UPDATE statement.
D. It generates an error because a subquery cannot have a join condition in an update statement.
Correct Answer: A
Examine the structure of the ORDERS table: (Choose the best answer.)
You want to find the total value of all the orders for each year and issue this command:
SQL> SELECT TO_CHAR(order_date,\’rr\’), SUM(order_total) FROM orders
GROUP BY TO_CHAR(order_date, \’yyyy\’);
Which statement is true regarding the result?
A. It executes successfully but does not give the correct output.
B. It executes successfully but gives the correct output.
C. It returns an error because the TO_CHAR function is not valid.
D. It return an error because the datatype conversion in the SELECT list does not match the data type conversion in the GROUP BY clause.
Correct Answer: D
The user SCOTT who is the owner of ORDERS and ORDER_ITEMS tables issues the following GRANT command:
ON orders, order_items
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 ORDER_ITEMS tables.
Correct Answer: D
1Z0-071 VCE Dumps1Z0-071 Practice Test1Z0-071 Braindumps
Examine the structure of the MEMBERS table: NameNull-Type
MEMBER_IDNOT NULLVARCHAR2 (6)
LAST_NAMENOT NULLVARCHAR2 (50)
You want to display details of all members who reside in states starting with the letter A followed by exactly one character.
Which SQL statement must you execute?
A. SELECT * FROM MEMBERS WHERE state LIKE \’%A_*;
B. SELECT * FROM MEMBERS WHERE state LIKE \’A_*;
C. SELECT * FROM MEMBERS WHERE state LIKE \’A_%\’;
D. SELECT * FROM MEMBERS WHERE state LIKE \’A%\’;
Correct Answer: B
The following are the steps for a correlated subquery, listed in random order:
The WHERE clause of the outer query is evaluated.
The candidate row is fetched from the table specified in the outer query.
This is repeated for the subsequent rows of the table, till all the rows are processed.
Rows are returned by the inner query, after being evaluated with the value from the candidate row in the outer query. Which is the correct sequence in which the Oracle server evaluates a correlated subquery?
A. 2, 1, 4, 3
B. 4, 1, 2, 3
C. 4, 2, 1, 3
D. 2, 4, 1, 3
Correct Answer: D
View the Exhibit and examine the details of PRODUCT_INFORMATION table. PRODUCT_NAME CATEGORY_ID SUPPLIER_ID Inkjet C/8/HQ
Inkjet C/4 102090 LaserPro 600/6/BW
LaserPro 1200/8/BW 102099 Inkjet B/6
Industrial 700/ID 102086 Industrial 600/DQ
Compact 400/LQ 102087 Compact 400/DQ
HD 12GB /R 102090 HD 10GB /I
HD 12GB @7200 /SE 102057 HD 18.2GB @10000 /E
HD 18.2GB @10000 /I 102050 HD 18GB /SE
HD 6GB /I 102072 HD [email protected]
You have the requirement to display PRODUCT_NAME from the table where the CATEGORY_ID column has values 12 or 13, and the SUPPLIER_ID column has the value 102088. You executed the following SQL statement:
WHERE (category_id = 12 AND category_id = 13) AND supplier_id = 102088;
Which statement is true regarding the execution of the query?
A. It would not execute because the same column has been used in both sides of the AND logical operator to form the condition.
B. It would not execute because the entire WHERE clause condition is not enclosed within the parentheses.
C. It would execute and the output would display the desired result.
D. It would execute but the output would return no rows.
Correct Answer: D
You execute the following commands:
SQL > DEFINE hiredate = \’01-APR-2011\’
SQL >SELECT employee_id, first_name, salary
WHERE hire_date > \’andhiredate\’
AND manager_id >andmgr_id;
For which substitution variables are you prompted for the input?
A. none, because no input required
B. both the substitution variables \’\’hiredate\’ and \’mgr_id\’.
C. only hiredate\’
D. only \’mgr_id\’
Correct Answer: D
View the exhibit and examine the structure of the PROMOTIONS table.
You have to generate a report that displays the promo name and start date for all promos that started after the last promo in the `INTERNET\’ category. Which query would give you the required output?
A. SELECT promo_name, promo_begin_date FROM promotionsWHERE promo_begin_date> ALL (SELECT MAX (promo_begin_date)FROM promotions) ANDpromo_category= `INTERNET\’;
B. SELECT promo_name, promo_begin_date FROM promotionsWHERE promo_begin_date IN (SELECT promo_begin_dateFROM promotionsWHERE promo_category= `INTERNET\’);
C. SELECT promo_name, promo_begin_date FROM promotionsWHERE promo_begin_date > ALL (SELECT promo_begin_dateFROM promotionsWHERE promo_category = `INTERNET\’);
D. SELECT promo_name, promo_begin_date FROM promotionsWHERE promo_begin_date> ANY (SELECT promo_begin_dateFROM promotionsWHERE promo_category= `INTERNET\’);
Correct Answer: C
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