Our 1Z0-051 Lab Questions exam dumps are required because people want to get succeed in IT field by clearing the certification exam. Passing 1Z0-051 Lab Questions practice exam is not so easy and need to spend much time to prepare the training materials, that's the reason that so many people need professional advice for 1Z0-051 Lab Questions exam prep. The 1Z0-051 Lab Questions dumps pdf are the best guide for them passing test. Our passing rate is high so that you have little probability to fail in the exam because the 1Z0-051 Lab Questions guide torrent is of high quality. But if you fail in exam unfortunately we will refund you in full immediately at one time and the procedures are simple and fast. You just need to practice with 1Z0-051 Lab Questions vce torrent for 1-2 days, then, you can be confident to face the 1Z0-051 Lab Questions actual test with ease mood.
You final purpose is to get the 1Z0-051 Lab Questions certificate.
Our high-quality 1Z0-051 - Oracle Database: SQL Fundamentals I Lab Questions} learning guide help the students know how to choose suitable for their own learning method, our 1Z0-051 - Oracle Database: SQL Fundamentals I Lab Questions study materials are a very good option. More importantly, it is evident to all that the 1Z0-051 Reliable Test Tips training materials from our company have a high quality, and we can make sure that the quality of our products will be higher than other study materials in the market. If you want to pass the 1Z0-051 Reliable Test Tips exam and get the related certification in the shortest time, choosing the 1Z0-051 Reliable Test Tips training materials from our company will be in the best interests of all people.
All the preparation material reflects latest updates in 1Z0-051 Lab Questions certification exam pattern. You may now download the 1Z0-051 Lab Questions PDF documents in your smart devices and lug it along with you. You can effortlessly yield the printouts of 1Z0-051 Lab Questions exam study material as well, PDF files make it extremely simple for you to switch to any topics with a click.
Our Oracle 1Z0-051 Lab Questions exam materials can help you realize it.
Briefly speaking, our 1Z0-051 Lab Questions training guide gives priority to the quality and service and will bring the clients the brand new experiences and comfortable feelings. For we have engaged in this career for years and we are always trying our best to develope every detail of our 1Z0-051 Lab Questions study quiz. With our 1Z0-051 Lab Questions exam questions, you will find the exam is just a piece of cake. What are you still hesitating for? Hurry to buy our 1Z0-051 Lab Questions learning engine now!
Every page and every points of knowledge have been written from professional experts who are proficient in this line and are being accounting for this line over ten years. And they know every detail about our 1Z0-051 Lab Questions learning prep and can help you pass the exam for sure.
1Z0-051 PDF DEMO:
QUESTION NO: 1
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: 2
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: 3
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: 4
See the Exhibit and examine the structure of ORD table: Exhibit:
Evaluate the following SQL statements that are executed in a user session in the specified order:
CREATE SEQUENCE ord_seq;
SELECT ord_seq.nextval
FROM dual;
INSERT INTO ord
VALUES (ord_seq.CURRVAL, '25-jan-2007,101);
UPDATE ord
SET ord_no= ord_seq.NEXTVAL
WHERE cust_id =101;
What would be the outcome of the above statements?
A. All the statements would execute successfully and the ORD_NO column would contain the value 2 for the CUST_ID 101.
B. The CREATE SEQUENCE command would not execute because the minimum value and maximum value for the sequence have not been specified.
C. The CREATE SEQUENCE command would not execute because the starting value of the sequence and the increment value have not been specified.
D. All the statements would execute successfully and the ORD_NO column would have the value 20 for the CUST_ID 101 because the default CACHE value is 20.
Answer: A
QUESTION NO: 5
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
In order to promise the high quality of our EMC D-PE-FN-23 exam questions, our company has outstanding technical staff, and has perfect service system after sale. We can claim that once you study with our Microsoft SC-300 exam questions for 20 to 30 hours, then you will be albe to pass the exam with confidence. If you decide to buy our VMware 2V0-31.24 study questions, you can get the chance that you will pass your VMware 2V0-31.24 exam and get the certification successfully in a short time. Microsoft AZ-400 - So, they are both efficient in practicing and downloading process. And you can click all three formats of our Microsoft PL-500 exam dumps to see.
Updated: May 27, 2022