Oracle dumpsboss changed 1z0-071 Exam Questions by Bernie q286 vce pdf

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Exam Name:	Oracle Database 12c SQL
Exam Code:	1z0-071 Dumps
Vendor:	Oracle	Certification:	Oracle PL
Questions:	324 Q&A's	Shared By:	bernie

Question 56

Evaluate the following SQL statement

SQL>SELECT promo_id, prom _category FROM promotions

WHERE promo_category=’Internet’ ORDER BY promo_id

UNION

SELECT promo_id, promo_category FROM Pomotions

WHERE promo_category = ‘TV’

UNION

SELECT promoid, promocategory FROM promotions WHERE promo category=’Radio’

Which statement is true regarding the outcome of the above query?

Options:

It executes successfully and displays rows in the descend ignore of PROMO CATEGORY.

It produces an error because positional, notation cannot be used in the ORDER BY clause with SBT operators.

It executes successfully but ignores the ORDER BY clause because it is not located at the end of the compound statement.

It produces an error because the ORDER BY clause should appear only at the end of a compound query-that is, with the last SELECT statement.

Discussion

Question 57

Examine the description of the EMPLOYEES table:

Questions 57

Which two statements will run successfully?

Options:

SELECT 'The first_name is '' || first_name || '' FROM employees ;

SELECT 'The first_name is '''||first_name ||'''' FROM employees ;

SELECT 'The first_name is ''' ||first_name||''' FROM employees ;

SELECT 'The first_name is '|| first_name|| '' FROM employees;

SELECT 'The first_name is \'' || first_name || '\'' FROM employees;

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Question 58

Which two statements are true about * _ TABLES views?

Options:

You must have SELECT privileges on a table to view it in ALL _TABLES.

You must have SELECT privileges on a table to view it in DBA TABLES.

USER_ TABLES displays all tables owned by the current user.

ALL TABLES displays all tables owned by the current user.

You must have SELECT privileges on a table to view it in USER TABLES.

All users can query DBA TABLES successfully.