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1Z0-051 - ORACLE CERTIFICATION
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Oracle Certification Exams
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About Oracle 1Z0-051 Exam
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ORACLE 1Z0-051 E XAM QUESTIONS
Oracle Database: SQL Fundamentals I
[ Total Questions: 10 ]
Topic break down
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ORACLE 1Z0-051 E XAM QUESTIONS
Which three statements are true regarding sub queries? (Choose three.)
Topic 1, Volume A
Question No : 1 - (Topic 1)
. u t p e co umns or express ons can e compare etween t e ma n
query and sub query
B. Sub queries can contain GROUP BY and ORDER BY clauses
C. Only one column or expression can be compared between the main
query and subqeury
D. Main query and sub query can get data from different tables
E. Main query and sub query must get data from the same tables
F. Sub queries can contain ORDER BY but not the GROUP BY clause
Answer: A,B,Dhttps://www.pass4sures.com/1z0-051.html
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ORACLE 1Z0-051 E XAM QUESTIONS
When does a transaction complete? (Choose all that apply.)
Question No : 2 - (Topic 1)
A . When a PL/SQL anonymous block is executed
B. When a DELETE statement is executed
C. When a data definition language statement is executed
D. When a TRUNCATE statement is executed after the pending transaction
E. When a ROLLBACK command is executed
Answer: C,D,E
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ORACLE 1Z0-051 E XAM QUESTIONS
View the Exhibits and examine the structures of the CUSTOMERS, SALES, andCOUNTRIES tables. You need to generate a report that shows all country names,with corresponding customers (if any) and sales details (if any), for all customers.
Which FROM clause gives the required result?
Question No : 4 - (Topic 2)
A. FROM sales JOIN customers USING (cust_id) FULL OUTER JOIN countriesUSING (country_id);B. FROM sales JOIN customers USING (cust_id) RIGHT OUTER JOINcountries USING (country_id);C. FROM customers LEFT OUTER JOIN sales USING (cust_id) RIGHT OUTERJOIN countries USING (country_id);D. FROM customers LEFT OUTER JOIN sales USING (cust_id) LEFT OUTERJOIN countries USING (country_id);
Answer: C
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ORACLE 1Z0-051 E XAM QUESTIONS
Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables:
Which DELETE statement is valid?
A. DELETE FROM employees
WHERE employee_id = (SELECT employee_id
FROM employees);
B. DELETE * FROM em lo ees
Question No : 5 - (Topic 2)
.
WHERE employee_id = (SELECT employee_id
FROM new_employees);
C. DELETE FROM employees
WHERE employee_id IN(SELECT employee_id
FROM new_employees
WHERE name = 'Carrey');D. DELETE * FROM employees
WHERE employee_id IN (SELECT employee_id
FROM new_employees
WHERE last_name = 'Carrey');
Answer: C
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ORACLE 1Z0-051 E XAM QUESTIONS
In which four clauses can a sub query be used? (Choose four.)
Question No : 6 - (Topic 2)
A. in the INTO clause of an INSERT statement
B. in the FROM clause of a SELECT statement
C. in the GROUP BY clause of a SELECT statement
D. in the WHERE clause of a SELECT statement
E. in the SET clause of an UPDATE statementF. in the VALUES clause of an INSERT statement
Answer: A,B,D,E
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ORACLE 1Z0-051 E XAM QUESTIONS
Examine the data in the CUST_NAME column of the CUSTOMERS table.
CUST_NAME
------------------------
Renske Ladwig
Jason Mallin
Samuel McCain
Allan MCEwen
Irene Mikkilineni
Julia Nayer
You need to display customers' second names where the second name starts with "Mc" or
Question No : 7 - (Topic 2)
"MC."
Which query gives the required output?
A. SELECT SUBSTR(cust_name, INSTR(cust_name,' ')+1)
FROM customers
WHERE INITCAP(SUBSTR(cust_name, INSTR(cust_name,' ')+1))='Mc';
B. SELECT SUBSTR(cust_name, INSTR(cust_name,' ')+1)
FROM customers
WHERE INITCAP(SUBSTR(cust_name, INSTR(cust_name,' ')+1)) LIKE 'Mc%';
C. SELECT SUBSTR(cust_name, INSTR(cust_name,' ')+1)
FROM customers
WHERE SUBSTR(cust_name, INSTR(cust_name,' ')+1) LIKE INITCAP('MC%');
D. SELECT SUBSTR(cust_name, INSTR(cust_name,' ')+1)
FROM customers
WHERE INITCAP(SUBSTR(cust_name, INSTR(cust_name,' ')+1)) = INITCAP('MC%');
Answer: B https://www.pass4sures.com/1z0-051.html
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ORACLE 1Z0-051 E XAM QUESTIONS
Which substitution variable would you use if you want to reuse the variable without
prompting the user each time?
Question No : 8 - (Topic 2)
A. &
B. ACCEPT
C. PROMPT
D. &&
Answer: B
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ORACLE 1Z0-051 E XAM QUESTIONS
What are two reasons to create synonyms? (Choose two.)
Question No : 9 - (Topic 2)
. ou ave oo many a es.
B. Your tables names are too long.
C. Your tables have difficult names.
D. You want to work on your own tables.
E. You want to use another schema's tables.
F. You have too many columns in your tables.
Answer: B,C
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ORACLE 1Z0-051 E XAM QUESTIONS
The STUDENT_GRADES table has these columns:
STUDENT_ID NUMBER(12)
SEMESTER_END DATE
GPA NUMBER(4,3)
Which statement finds the highest grade point average (GPA) per semester?
Question No : 10 - (Topic 2)
. _
B. SELECT (gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT
NULL;
C. SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL GROUP BY
semester_end;
D. SELECT MAX(gpa) GROUP BY semester_end WHERE gpa IS NOT NULL FROM
student_grades;
E. SELECT MAX(gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS
NOT NULL;
Answer: C
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