|Full Exam Name||Oracle Database SQL|
|Certification Name||Oracle Database Application Development|
|Technology||Oracle Advanced PL/SQL Development|
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Evaluate the following SQL statement:
SQL> select cust_id, cust_last_name “Last name”
WHERE country_id = 10
SELECT cust_id CUST_NO, cust_last_name
WHERE country_id = 30
Identify three ORDER BY clauses either one of which can complete the query.
A. ORDER BY “Last name”
B. ORDER BY 2, cust_id
C. ORDER BY CUST_NO
D. ORDER BY 2, 1
E. ORDER BY “CUST_NO”
Which three statements are true regarding the WHERE and HAVING clauses in a SQL statement?
A. WHERE and HAVING clauses cannot be used together in a SQL statement.
B. The HAVING clause conditions can have aggregate functions.
C. The HAVING clause conditions can use aliases for the columns.
D. The WHERE clause is used to exclude rows before the grouping of data.
E. The HAVING clause is used to exclude one or more aggregated results after grouping data.
Which statement is true regarding external tables?
A. The CREATE TABLE AS SELECT statement can be used to upload data into regular table in the
database from an external table.
B. The data and metadata for an external table are stored outside the database.
C. The default REJECT LIMIT for external tables is UNLIMITED.
D. ORACLE_LOADER and ORACLE_DATAPUMP have exactly the same functionality when used with an
Which two statements are true about Data Manipulation Language (DML) statements?
A. An INSERT INTO…VALUES.. statement can add multiple rows per execution to a table.
B. An UPDATE… SET… statement can modify multiple rows based on multiple conditions on a table.
C. A DELETE FROM….. statement can remove rows based on only a single condition on a table.
D. An INSERT INTO… VALUES….. statement can add a single row based on multiple conditions on a
E. A DELETE FROM….. statement can remove multiple rows based on multiple conditions on a table.
F. An UPDATE….SET…. statement can modify multiple rows based on only a single condition on a
Answer: B, E
Which two statements are true regarding roles? (Choose two.)
A. A role can be granted to itself.
B. A role can be granted to PUBLIC.
C. A user can be granted only one role at any point of time.
D. The REVOKE command can be used to remove privileges but not roles from other users.
E. Roles are named groups of related privileges that can be granted to users or other roles.
Answer: B, E
Which two statements are true regarding constraints? (Choose two.)
A. A constraint is enforced only for an INSERT operation on a table.
B. A foreign key cannot contain NULL values.
C. The column with a UNIQUE constraint can store NULLS.
D. You can have more than one column in a table as part of a primary key.
Answer: C, D
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