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Q101. Which statements are true regarding the usage of the WITH clause in complex correlated subqueries? (Choose all that apply.)
A. It can be used only with the SELECT clause.
B. The WITH clause can hold more than one query.
C. If the query block name and the table name were the same, then the table name would take precedence.
D. The query name in the WITH clause is visible to other query blocks in the WITH clause as well as to the main query block.
Q102. Which statement is true regarding Flashback Version Query?
A. It returns versions of rows only within a transaction.
B. It can be used in subqueries contained only in a SELECT statement.
C. It will return an error if the undo retention time is less than the lower bound time or SCN specified.
D. It retrieves all versions including the deleted as well as subsequently reinserted versions of the rows.
Q103. Evaluate the following SQL statement:
SELECT product_name || 'it's not available for order'
WHERE product_status = 'obsolete'
You received the following error while executing the above query:
ORA-01756: quoted string not properly terminated
What would you do to execute the query successfully?
A. Enclose the character literal string intheSELECT clause within thedoublequotation marks.
B. Do not enclosethecharacter literal string in the SELECT clausewithinthesingle quotation marks.
C. Use Quote (q) operator anddelimiterto allowtheuse of single quotation mark in the literal character string.
D. Use escape charactertonegatethesingle quotationmarkinside theliteralcharacter string in the SELECT clause.
Q104. View the Exhibit and examine the data in the DEPARTMENTS tables.
Evaluate the following SQL statement:
SELECT department_id "DEPT_ID", department_name , 'b' FROM departments WHERE department_id=90 UNION SELECT department_id, department_name DEPT_NAME, 'a' FROM departments WHERE department_id=10
Which two ORDER BY clauses can be used to sort the output of the above statement? (Choose two.)
A. ORDERBY 3;
B. ORDER BY 'b'
C. ORDER BY DEPT_ID;
D. ORDER BY DEPT NAME;
Q105. User OE, the owner of the ORDERS table, issues the following command:
GRANT SELECT .INSERT ON orders TO hr WITH GRANT OPTION;
The user HR issues the following command:
GRANT SELECT ON oe. orders TO scott;
Then, OE issues the following command:
REVOKE ALL ON orders FROM hr;
Which statement is correct?
A. The user SCOTT losestheprivilege to select rowsfromOE.ORDERS.
B. Theuser SCOTT retainstheprivilege to selectrowsfrom OE.ORDERS.
C. The REVOKE statement generates an error because OE has to first revoke the SELECT privilege from SCOTT.
D. TheREVOKE statement generates an error because the ALL keyword cannot be usedforprivilegesthathave been granted using WITH GRANT OPTION.
Q106. Evaluate the following CREATE SEQUENCE statement:
CREATE SEQUENCE seql START WITH 100 INCREMENT BY 10 MAXVALUE 200 CYCLE NOCACHE;
The sequence SEQ1 has generated numbers up to the maximum limit of 200. You issue the following SQL statement:
SELECT seql.nextval FROM dual;
What is displayed by the SELECT statement?
D. an error
Q107. Which statements are true? (Choose all that apply.)
A. The data dictionary is created and maintained by the database administrator.
B. The data dictionary views can consist of joins of dictionary base tables and user-defined tables.
C. The usernames of all the users including the database administrators are stored in the data dictionary.
D. The USER_CONS_COLUMNS view should be queried to find the names of the columns to which a constraint applies.
E. Both USER_OBJECTS and CAT views provide the same information about all the objects that are owned by the user.
F. Views with the same name but different prefixes, such as DBA, ALL and USER, use the same base tables from the data dictionary
Q108. Which statement is true regarding the SESSION_PRIVS dictionary view?
A. It contains the current object privileges available in the user session.
B. It contains the current system privileges available in the user session.
C. It contains the object privileges granted to other users by the current user session.
D. It contains the system privileges granted to other users by the current user session.
Q109. Which three statements are true regarding group functions? (Choose three.)
A. They can be used on columns or expressions.
B. They can be passed as an argument to another group function.
C. They can be used only with a SQL statement that has the GROUP BY clause.
D. They can be used on only one column in the SELECT clause of a SQL statement.
E. They can be used along with the single-row function in the SELECT clause of a SQL statement.
Q110. The user SCOTT who is the owner of ORDERS and ORDER_ITEMS tables issues the following
ON orders, order_items
What correction needs to be done to the above statement?
A. PUBLICshould bereplacedwithspecific usernames.
B. ALL should be replaced with a list of specific privileges.
C. WITH GRANTOPTIONshould beaddedto the statement.
D. Separate GRANT statements are required for ORDERSandORDER_ITEMS tables.