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[High Quality Oracle Questions] 2017 Latest 1Z0-051 Dumps Oracle Exam Youtube And PDF Practice Files

Posted on May 12, 2020May 12, 2020 By exam

2017 latest Oracle 9i DBA 1Z0-051 dumps pdf practice files and dumps vce youtube update free demo. High quality Oracle 1Z0-051 dumps exam questions and answers free download from lead4pass. https://www.lead4pass.com/1z0-051.html dumps exam training materials. Get the best Oracle 1Z0-051 dumps pdf training resources and study guides free try, pass Oracle 1Z0-051 exam test easily at the first time.

Latest Oracle 1Z0-051 dumps pdf practice files free download: https://drive.google.com/open?id=0B_7qiYkH83VRTGN1TmVCTngxX1U

Latest Oracle 1Z0-062 dumps pdf practice files free download: https://drive.google.com/open?id=0B_7qiYkH83VRN3hrOHpMSjduUEk

Vendor: Oracle
Certifications: 9i DBA
Exam Name: Oracle Database: SQL Fundamentals I
Exam Code: 1Z0-051
Total Questions: 292 Q&As
1Z0-051 dumps
QUESTION 1
The ORDERS TABLE belongs to the user OE. OE has granted the SELECT privilege on the ORDERS table to the user HR.
Which statement would create a synonym ORD so that HR can execute the following query successfully? SELECT * FROM ord;
A. CREATE SYNONYM ord FOR orders; This command is issued by OE.
B. CREATE PUBLIC SYNONYM ord FOR orders; This command is issued by OE.
C. CREATE SYNONYM ord FOR oe.orders; This command is issued by the database administrator.
D. CREATE PUBLIC SYNONYM ord FOR oe.orders; This command is issued by the database administrator.
Correct Answer: D

QUESTION 2
Which view should a user query to display the columns associated with the constraints on a table owned by the user?
A. USER_CONSTRAINTS
B. USER_OBJECTS
C. ALL_CONSTRAINTS
D. USER_CONS_COLUMNS
E. USER_COLUMNS
Correct Answer: D

QUESTION 3
Which two statements are true regarding constraints? (Choose two.)
A. A constraint can be disabled even if the constraint column contains data
B. A constraint is enforced only for the INSERT operation on a table
C. A foreign key cannot contain NULL values
D. All constraints can be defined at the column level as well as the table level
E. A columns with the UNIQUE constraint can contain NULL values
Correct Answer: AE

QUESTION 4
Which two statements are true regarding working with dates? 1Z0-051 dumps (Choose two.)
A. The default internal storage of dates is in the numeric format
B. The RR date format automatically calculates the century from the SYSDATE function but allows the user to enter the century if required
C. The default internal storage of dates is in the character format
D. The RR date format automatically calculates the century from the SYSDATE function and does not allow the user to enter the century
Correct Answer: AB

QUESTION 5
Which statement is true regarding the UNION operator?
A. The number of columns selected in all SELECT statements need to be the same
B. Names of all columns must be identical across all SELECT statements
C. By default, the output is not sorted
D. NULL values are not ignored during duplicate checking
Correct Answer: A

QUESTION 6
The COMMISSION column shows the monthly commission earned by the employee.
Exhibit
1Z0-051 dumps
Which two tasks would require sub queries or joins in order to be performed in a single step? (Choose two.)
A. listing the employees who earn the same amount of commission as employee 3
B. finding the total commission earned by the employees in department 10
C. finding the number of employees who earn a commission that is higher than the average commission of the company
D. listing the departments whose average commission is more that 600
E. listing the employees who do not earn commission and who are working for department 20 in descending order of the employee ID
F. listing the employees whose annual commission is more than 6000
Correct Answer: AC

QUESTION 7
Which two statements are true about sequences created in a single instance database? (Choose two.)
A. CURRVAL is used to refer to the last sequence number that has been generated
B. DELETE would remove a sequence from the database
C. The numbers generated by a sequence can be used only for one table
D. When the MAXVALUE limit for a sequence is reached, you can increase the MAXVALUE limit by using the ALTER SEQUENCE statement
E. When a database instance shuts down abnormally, the sequence numbers that have been cached but not used would be available once again when the database instance is restarted
Correct Answer: AD

QUESTION 8
Evaluate the following SQL statements:
Exhibit:
1Z0-051 dumps
The above command fails when executed. What could be the reason?
A. The BETWEEN clause cannot be used for the CHECK constraint
B. SYSDATE cannot be used with the CHECK constraint
C. ORD_NO and ITEM_NO cannot be used as a composite primary key because ORD_NO is also the FOREIGN KEY
D. The CHECK constraint cannot be placed on columns having the DATE data type
Correct Answer: B

QUESTION 9
Which three statements are true regarding the data types in Oracle Database 10g/11g? (Choose three.)
A. The BLOB data type column is used to store binary data in an operating system file
B. The minimum column width that can be specified for a VARCHAR2 data type column is one
C. A TIMESTAMP data type column stores only time values with fractional seconds
D. The value for a CHAR data type column is blank-padded to the maximum defined column width
E. Only One LONG column can be used per table
Correct Answer: BDE

QUESTION 10
Which two statements are true regarding single row functions? 1Z0-051 dumps (Choose two.)
A. They can be nested only to two levels
B. They always return a single result row for every row of a queried table
C. Arguments can only be column values or constant
D. They can return a data type value different from the one that is referenced
E. They accept only a single argument
Correct Answer: BD

QUESTION 11
Examine the statement:
Create synonym emp for hr.employees;
What happens when you issue the statement?
A. An error is generated.
B. You will have two identical tables in the HR schema with different names.
C. You create a table called employees in the HR schema based on you EMP table.
D. You create an alternative name for the employees table in the HR schema in your own schema.
Correct Answer: D

QUESTION 12
Evaluate the following SQL statements:
DELETE FROM sales;
There are no other uncommitted transactions on the SALES table.
Which statement is true about the DELETE statement?
A. It removes all the rows as well as the structure of the table
B. It removes all the rows in the table and deleted rows cannot be rolled back
C. It removes all the rows in the table and deleted rows can be rolled back
D. It would not remove the rows if the table has a primary key
Correct Answer: C

Read more: https://www.lead4pass.com/1z0-051.html dumps exam practice questions and answers.

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