Whether you are newbie or experienced exam candidates, our 1Z0-051 Latest Mock Test study guide will relieve you of tremendous pressure and help you conquer the difficulties with efficiency. If you study with our 1Z0-051 Latest Mock Test practice engine for 20 to 30 hours, we can claim that you can pass the exam as easy as a pie. Why not have a try? If there is new information about the exam, you will receive an email about the newest information about the 1Z0-051 Latest Mock Test learning dumps. We can promise that you will never miss the important information about the exam. What are you waiting for? Come and buy 1Z0-051 Latest Mock Test study guide now!
11g 1Z0-051 So your error can be corrected quickly.
11g 1Z0-051 Latest Mock Test - Oracle Database: SQL Fundamentals I We hope to grow with you and help you get more success in your life. Many students often complain that they cannot purchase counseling materials suitable for themselves. A lot of that stuff was thrown away as soon as it came back.
Our passing rate may be the most attractive factor for you. Our 1Z0-051 Latest Mock Test learning guide have a 99% pass rate. This shows what? As long as you use our products, you can pass the exam!
Oracle 1Z0-051 Latest Mock Test - Now IT industry is more and more competitive.
1Z0-051 Latest Mock Test study materials can expedite your review process, inculcate your knowledge of the exam and last but not the least, speed up your pace of review dramatically. The finicky points can be solved effectively by using our 1Z0-051 Latest Mock Test exam questions. With a high pass rate as 98% to 100% in this career, we have been the leader in this market and helped tens of thousands of our loyal customers pass the exams successfully. Just come to buy our 1Z0-051 Latest Mock Test learning guide and you will love it.
If you are still struggling to prepare for passing 1Z0-051 Latest Mock Test certification exam, at this moment Omgzlook can help you solve problem. Omgzlook can provide you training materials with good quality to help you pass the exam, then you will become a good Oracle 1Z0-051 Latest Mock Test certification member.
1Z0-051 PDF DEMO:
QUESTION NO: 1
You own a table called EMPLOYEES with this table structure:
EMPLOYEE_ID NUMBER Primary Key
FIRST_NAME VARCHAR2(25)
LAST_NAME VARCHAR2(25)
HIRE_DATE DATE
What happens when you execute this DELETE statement?
DELETE employees;
A. You get an error because of a primary key violation.
B. The data and structure of the EMPLOYEES table are deleted.
C. The data in the EMPLOYEES table is deleted but not the structure.
D. You get an error because the statement is not syntactically correct.
Answer: C
Explanation:
Explanation:
You can remove existing rows from a table by using the DELETE statement. DELETE [FROM] table
[WHEREcondition]; Incorrect
answer: AStatement
will not cause error BDelete statement will not delete the table structure DStatement will not cause error
Refer: Introduction to Oracle9i: SQL, Oracle University Study Guide, 8-19
QUESTION NO: 2
Which three statements are true regarding sub queries? (Choose three.)
A. Multiple columns or expressions can be compared between the main query and sub query
B. Main query and sub query can get data from different tables
C. Sub queries can contain GROUP BY and ORDER BY clauses
D. Main query and sub query must get data from the same tables
E. Sub queries can contain ORDER BY but not the GROUP BY clause
F. Only one column or expression can be compared between the main query and subqeury
Answer: A,B,C
QUESTION NO: 3
Which statement is true regarding transactions? (Choose all that apply.)
A. A transaction can consist only of a set of DML and DDL statements.
B. A part or an entire transaction can be undone by using ROLLBACK command.
C. A transaction consists of a set of DML or DCL statements.
D. A part or an entire transaction can be made permanent with a COMMIT.
E. A transaction can consist of only a set of queries or DML or DDL statements.
Answer: B,C
QUESTION NO: 4
Top N analysis requires _____ and _____. (Choose two.)
A. the use of rowid
B. a GROUP BY clause
C. an ORDER BY clause
D. only an inline view
E. an inline view and an outer query
Answer: C,E
Explanation:
The correct statement for Top-N Analysis
SELECT [coloumn_list], ROWNUM
FROM (SELECT [coloumn_list]
FROM table
ORDER BY Top-N_coloumn)
WHERE ROWNUM <= N;
Incorrect answer:
AROWID is not require
BGROUP BY clause is not require
DMust have inline view and outer query.
Refer: Introduction to Oracle9i: SQL, Oracle University Study Guide, 11-23
QUESTION NO: 5
Examine the data in the CUST_NAME column of the CUSTOMERS table.
CUST_NAME
Lex De Haan
Renske Ladwig
Jose Manuel Urman
Jason Mallin
You want to extract only those customer names that have three names and display the * symbol in place of the
first name as follows:
CUST NAME
*** De Haan
**** Manuel Urman
Which two queries give the required output? (Choose two.)
A.SELECT LPAD(SUBSTR(cust_name,INSTR(cust_name,' ')),LENGTH(cust_name),'*')
"CUST NAME" FROM customers
WHERE INSTR(cust_name, ' ',1,2)<>0;
B.SELECT LPAD(SUBSTR(cust_name,INSTR(cust_name,' ')),LENGTH(cust_name),'*')
"CUST NAME" FROM customers
WHERE INSTR(cust_name, ' ',-1,2)<>0;
C.SELECT LPAD(SUBSTR(cust_name,INSTR(cust_name,' ')),LENGTH(cust_name)-
INSTR(cust_name,''),'*') "CUST NAME"
FROM customers
WHERE INSTR(cust_name, ' ',-1,-2)<>0;
D.SELECT LPAD(SUBSTR(cust_name,INSTR(cust_name,' ')),LENGTH(cust_name)-
INSTR(cust_name,' '),'*') "CUST NAME"
FROM customers
WHERE INSTR(cust_name, ' ',1,2)<>0 ;
Answer: A,B
Free demos are understandable and part of the CWNP CWT-101 exam materials as well as the newest information for your practice. They continue to use their IT knowledge and rich experience to study the previous years exams of Oracle IBM S2000-025 and have developed practice questions and answers about Oracle IBM S2000-025 exam certification exam. You can feel assertive about your exam with our 100 guaranteed professional Microsoft DP-100 practice engine for you can see the comments on the websites, our high-quality of our Microsoft DP-100 learning materials are proved to be the most effective exam tool among the candidates. If you choose to sign up to participate in Oracle certification NFPA CFPE exams, you should choose a good learning material or training course to prepare for the examination right now. So your personal effort is brilliant but insufficient to pass the Oracle Database: SQL Fundamentals I exam and our EMC D-ZT-DS-P-23 test guide can facilitate the process smoothly & successfully.
Updated: May 27, 2022