MultipleChoice
Examine this data in the EMPLOYEES table:
Which statement will execute successfully?
Which statement will execute successfully?
OptionsMultipleChoice
You execute these commands:
CREATE TABLE customers (customer_id INTEGER, customer_name VARCHAR2 (20) )
TNSERT INTO customers VALUES (1, 'Customer 1 ' ) ;
SAVEPOTNT post_insert;
INSERT INTO customers VALUES (2, 'Customer 2');
SELECT COUNT(*) FROM customers;
Which two, used independently, can replace
MultipleChoice
BOOK_SEQ is an existing sequence in your schema.
Which two CREATE TABLE commands are valid?
A)
B)
C)
D)
E)
OptionsMultipleChoice
Examine these statements which execute successfully:
ALTER SESSION SET NLS_DATE_FORMAT = 'DD-MON-YYY HH24 :MT:SS;'
ALTER SESSION SET TIME-ZONE = '-5:00;:
Examine the result:
If LOCALTIMESTAMP was selected at the same time, what would it return?
OptionsMultipleChoice
Examine this query and its output:
Examine this query with an incomplete was WHERE clause:
Which two are true about operators that can be used In the WHERE clause?
OptionsMultipleChoice
Examine this query:
SELECT 2
FROM DUAL D1
CROSS JOIN DUA d2
CROSSS JOIN DUAL D3
WHERE 2 =3;
What is the result?
OptionsMultipleChoice
Which two are true about constraints?
OptionsMultipleChoice
Examine the description of the EMPLOYEES table:
You write this falling statement:
SELECT dept-no AS department_id MAX (salary) AS max-sal
FROM employees
WHERE salary > 10000
GROUP BY department_id
ORDER BY max-sal:
Which clause causes the error?
OptionsMultipleChoice
Which two are true about savepoints?
OptionsMultipleChoice
Examine the description of the EMPLOYERS table:
Examine these requirements:
Disable the manager ID and salary of the lowest paid employees for that manager.
Exclude anyone whose manager is not known.
Exclude any managers where the minimum salary is 6000 or less.
Sort the output by minimum salary with the highest salary shown first.
Which statement will do this?
Options