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Free 1z0-061: Oracle Database 12c SQL Fundamentals Exam Questions and Answers
Last updated: April 1, 2025
Examtopics 1z0-061: Oracle Database 12c SQL Fundamentals Prepaway Real Exam Questions and dumps free download
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218-1z0-061: Oracle Database 12c SQL Fundamentals
#Question
Which SQL statement is used to create a new index on a table?
A.
INDEX TABLE
B.
CREATE INDEX
C.
ADD INDEX
D.
NEW INDEX
Correct Answer:
B
The CREATE INDEX statement is used to create an index on a table, improving search performance.
#Question
What does the SQL function UPPER() do?
A.
Changes numeric case
B.
Returns ASCII value
C.
Counts characters
D.
Converts text to uppercase
Correct Answer:
D
UPPER() converts all letters in a string to uppercase.
#Question
What SQL statement is used to establish a relationship between two tables?
A.
CREATE TABLE with foreign key
B.
JOIN
C.
ADD RELATIONSHIP
D.
LINK
Correct Answer:
A
Relationships between two tables are established through foreign key constraints when creating or altering tables.
#Question
Which clause limits the number of records returned by your query in SQL?
A.
MAX
B.
RESTRICT
C.
TOP
D.
LIMIT
Correct Answer:
D
LIMIT is the clause used in SQL to restrict the number of records returned in a query to a specified limit.
#Question
How do you modify an existing record in a table?
A.
CHANGE table SET column=value WHERE condition
B.
MODIFY table SET column=value WHERE condition
C.
ALTER table SET column=value WHERE condition
D.
UPDATE table SET column=value WHERE condition
Correct Answer:
D
The UPDATE command modifies existing records in a table that meet certain conditions.
#Question
What does the SQL command "DROP VIEW" do?
A.
Changes the view
B.
Removes a view from the database
C.
Creates a view
D.
Duplicates a view
Correct Answer:
B
DROP VIEW is the command used to remove an existing view from the database.
#Question
When would you use a correlated subquery?
A.
When the subquery references a column from the outer query
B.
To create a table
C.
When you need to add data
D.
To delete records
Correct Answer:
A
A correlated subquery uses values from the outer query to evaluate its results.
218-1z0-061: Oracle Database 12c SQL Fundamentals
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