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Oracle 1z1-071 (Oracle Database SQL) is a certification exam designed for individuals who are interested in pursuing a career in database management. 1z1-071 exam is intended to evaluate the candidate's knowledge of SQL and database concepts. Passing 1z1-071 Exam validates the candidate's proficiency in SQL and their ability to work with Oracle Database.

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Oracle 1Z0-071 Certification Exam Reference

Oracle 1z0-071 (Oracle Database SQL) Exam is a certification exam designed for IT professionals who want to demonstrate their expertise in SQL programming language and Oracle database. 1z1-071 Exam is part of the Oracle Certified Associate (OCA) certification program and is an essential requirement for professionals who want to become Oracle certified professionals. 1z1-071 exam covers a wide range of topics, including SQL statements, data manipulation, database objects, and data control language.

Oracle Database SQL Sample Questions (Q126-Q131):

NEW QUESTION # 126
Which two statements are true about conditional INSERT ALL?

A. Each row returned by the subquery can be inserted into only a single target table.
B. Each WHEN condition is tested for each row returned by the subquery.
C. The total number of rows inserted is always equal to the number of rows returned by the subquery
D. A single WHEN condition can be used for multiple INTO clauses.
E. It cannot have an ELSE clause.

Answer: B,D

Explanation:
For conditional INSERT ALL in Oracle Database 12c:
* D. A single WHEN condition can be used for multiple INTO clauses. This is true. A single WHEN condition in a multi-table insert can direct the insertion of a single row source into multiple target tables.
* E. Each WHEN condition is tested for each row returned by the subquery. True, each row from the subquery is evaluated against each WHEN condition to determine into which table(s) the row should be
* inserted.
Options A, B, and C are incorrect:
* A is incorrect because a row can indeed be directed into multiple tables based on the conditions.
* B is incorrect as INSERT ALL can include an ELSE clause to handle rows that do not meet any of the specified conditions.
* C is incorrect because not every row from the subquery necessarily results in a row insertion; it depends on the conditions being met.

NEW QUESTION # 127
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.)

A. Each SELECT statement in the compound query must have its own ORDER BY clause.
B. Column positions must be used in the ORDER BY clause.
C. Each SELECT statement in the compound query can have its own ORDER BY clause.
D. Only column names from the first SELECT statement in the compound query are recognized.
E. 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.

Answer: C,D

NEW QUESTION # 128
Examine this statement which returns the name of each employee and their manager:

You want to extend the query to include managers with no employees. What must you add before join to do this?

A. LEFT OUTER
B. RIGHT OUTER
C. CROSS
D. FULL. OUTER

Answer: B

NEW QUESTION # 129
Examine the structure of the INVOICEtable.

Which two SQL statements would execute successfully?
SELECT inv_no, NVL2(inv_date, 'Pending', 'Incomplete')

A. FROM invoice;
SELECT inv_no, NVL2(inv_amt, inv_amt*.25, 'Not Available')
B. FROM invoice;
C. FROM invoice;
SELECT inv_no, NVL2(inv_date, sysdate-inv_date, sysdate)
D. FROM invoice;
SELECT inv_no, NVL2(inv_amt, inv_date, 'Not Available')

Answer: A,D

NEW QUESTION # 130
Which two are true about granting object privileges on tables, views, and sequences?

A. DELETE can be granted on tables, views, and sequences.
B. ALTER can be granted only on tables and sequences.
C. INSERT can be granted only on tables and sequences.
D. REFERENCES can be grantrd only on tables.
E. SELECT can be granted on tables, views, and sequences.

Answer: D,E

Explanation:
Object privileges applicable to tables, views, and sequences in Oracle are:
B). REFERENCES can be granted only on tables. It allows the grantee to create a foreign key that refers to the table.
D). SELECT can be granted on tables and views. This allows the grantee to perform a SELECT on the table or view.
A, C, and E are incorrect. Specifically:
* A is incorrect because DELETE cannot be granted on sequences; it is a privilege applicable to tables and views.
* C is incorrect because INSERT cannot be granted on sequences; INSERT is applicable only to tables and views.
* E is incorrect because ALTER is a privilege applicable to tables and indexes, not sequences.
References:
* Oracle Database SQL Language Reference, 12c Release 1 (12.1): "GRANT"

NEW QUESTION # 131
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