1z0-082 Oracle Database Administration I exact Exam Questions

Oracle Database Administration I

Last Update 18 hours ago Total Questions : 142

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Question # 31

View the Exhibits and examine the structure of the COSTS and PROMOTIONS tables.

You want to display PROD_IDS whose promotion cost is less than the highest cost PROD_ID in a promotion time interval.

Examine this SQL statement:

Exhibit 1.

Exhibit 2.

What will be the result?

It gives an error because the ALL keyword is not valid

It gives an error because the GROUP BY clause is not valid

It executes successfully but does not give the required result

It executes successfully and gives the required result

Question # 32

Examine the description of the CUSTOMERS table:

You want to display details of all customers who reside in cities starting with the letter D followed by at least two characters.

Which query can be used?

SELECT * FROM customers WHERE city LIKE ‘D_%’;

SELECT * FROM customers WHERE city = ‘%D_’;

SELECT * FROM customers WHERE city LIKE ‘D_’;

SELECT * FROM customers WHERE city = ‘D_%’;

Question # 33

You execute this query:

SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE), ‘MON’), ‘dd “Monday for” fmMonth rrrr’)

What is the result?

It executes successfully but does not return any result

It returns the date for the first Monday of the next month

It generates an error

It returns the date for the last Monday of the current month

Question # 34

Which two statements are true about the ORDER BY clause when used with a SQL statement containing a SET operator such as UNION? (Choose two.)

Column positions must be used in the ORDER BY clause

Only column names from the first SELECT statement in the compound query are recognized

The first column in the first SELECT of the compound query with the UNION operator is used by default to sort output in the absence of an ORDER BY clause

Each SELECT statement in the compound query must have its own ORDER BY clause

Each SELECT statement in the compound query can have its own ORDER BY clause

Question # 35

Which three statements are true about the Oracle join and ANSI join syntax? (Choose three.)

The Oracle join syntax supports creation of a Cartesian product of two tables

The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax

The SQL:1999 compliant ANSI join syntax supports natural joins

The SQL:1999 compliant ANSI join syntax supports creation of a Cartesian product of two tables

The Oracle join syntax only supports right outer joins

The Oracle join syntax supports natural joins

The Oracle join syntax performs less well than the SQL:1999 compliant ANSI join syntax

Question # 36

Which two statements are true about Oracle synonyms?

A synonym has an object number.

A synonym can be created on an object in a package.

A synonym can have a synonym.

All private synonym names must be unique in the database.

Any user can create a PUBLIC synonym.

Question # 37

Examine this command:

CREATE UNDO TABLESPACE undotbs01

DATAFILE ‘undotbs_01.dbf’

SIZE 100M

AUTOEXTEND ON;

Which two actions must you take to ensure UNDOTBS01 is used as the default UNDO tablespace? (Choose two.)

Add the SEGMENT SPACE MANAGEMENT AUTO clause

Set UNDO_TABLESPACE to UNDOTBS01

Add the NOLOGGING clause

Make certain that the database operates in automatic undo management mode

Add the ONLINE clause

Question # 38

Which three statements are true about inner and outer joins? (Choose three.)

A full outer join returns matched and unmatched rows

An inner join returns matched rows

Outer joins can only be used between two tables per query

A full outer join must use Oracle syntax

Outer joins can be used when there are multiple join conditions on two tables

A left or right outer join returns only unmatched rows

Question # 39

Which two statements are true about Enterprise Manager Database Express? (Choose two.)

It is available only when the database is open

It can be used to perform database recovery

The same port number can be used for Database Express configurations for databases on different hosts

It can be used to switch a database into ARCHIVELOGMODE

The same port number can be used for multiple Database Express configurations for multiple databases on the same host

Question # 40

Which two are true about a SQL statement using SET operators such as UNION? (Choose two.)

The data type group of each column returned by the second query must match the data type of the corresponding column returned by the first query.

The number, but not names, of columns must be identical for all SELECT statements in the query.

The data type of each column returned by the second query must exactly match the data type of the corresponding column returned by the first query.

The names and number of columns must be identical for all SELECT statements in the query.

The data type of each column returned by the second query must be implicitly convertible to the data type of the corresponding column returned by the first query.

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